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Privia
Privia PX-310 Compact Digital Piano
ManufacturerCasio
Dates2003 – present
PriceUS$ 699–1599 (depending on model)
Technical specifications
Polyphony
  • 32   (ZPI models)[1]
  • 128-256 (AiF and AiR models)[2]
TimbralityMultitimbral
Synthesis typeSampling
  • ZPI synthesis (2003-2009)[1]
  • Linear Morphing AiF/AiR Sound Engine (2009-present)[2]
Aftertouch expressionyes (PX-860 and PX-870)
Velocity expressionyes
Storage memorySD card (2005–2009)
USB flash drive (2009–present)
Input/output
Keyboard88 keys with weighted hammer action and simulated key weight
External controlMIDI

The Privia is a line of digital pianos and stage pianos manufactured by Casio. They have 4-layer stereo piano samples and up to 256 notes of polyphony, depending on model. All Privia models feature some kind of weighted keyboard action which simulates the action on an acoustic piano.

First introduced in 2003, the Privia was originally designed to be a new competitor to other brands like Yamaha, Roland, and Kawai in budget digital piano products, but since then more exclusive pianos has been added to the line as well.

Overview

[edit]

The original Privia was introduced by Casio in 2003 as a new concept within budget digital pianos. It is known for offering more advanced features and high-quality sound at affordable prices, comparable with more expensive instruments. The first Privia was the PX-100. Like any other compact digital pianos, it was able to be played on a table or optional stand, and was equipped with a digital sound source created by independent sampling of various piano timbres.[3]

The first generation Privia was produced from 2003 to 2006. It utilized the Zygotech Polynomial Interpolation (ZPI) synthesis sound engine, as used in Casio's former flagship keyboards. The second generation followed from 2006 to 2009, using a similar sound engine.

The third generation was introduced in 2009, featuring an all new Linear Morphing AiF (Acoustic and Intelligent Filtering) sound engine with four-level dynamic stereo piano sampling and 128-note polyphony.

The fourth generation is the current version of the Privia, first introduced in 2012 . It uses the improved rendition of Linear Morphing AiF engine, called Multi-Dimensional Acoustic and Intelligent Resonator (AiR) sound engine, featuring a revamped 4-layer sampling and new features such as simulated sympathetic resonance, adjustable key sensor response (referred to as "Hammer Response"), half-damper effect, pedal noises and key-off simulation.

A minor update of the fourth generation was introduced in 2015. Some models included a color touchscreen and improved built-in speaker system, as well as updated various features with a few models having up to 256-note polyphony.

Keyboard action

[edit]

As with other digital pianos, the Privia features a fully weighted keyboard action to simulate the action on an acoustic piano.

This key action consists of a mechanical system of small "hammers" and weights attached to each key that will lift up when the key is pressed, while the keys trigger the sensors to generate sound. The sensors are located in the bottom of the keyboard, similar to that of a synthesizer keyboard action

Throughout various incarnations, the key action has undergone several changes over time:

Scaled Hammer Action (2003–2008 models)

[edit]

The original keyboard action, featuring a single or double sensors installed below the keybed. The weights are attached far back to the keys, giving it a slight resistance after the keys are released. It also has a simulated weight in which lower notes are heavier than higher ones.

Tri-Sensor Scaled Hammer Action (2009–2011 models)

[edit]

Tri-Sensor Scaled Hammer utilizes three individual sensors for each keys, two installed below the key's base, and one installed slightly further back near the hammers. The hammers are also modified to have less resistance and swing back faster upon release. The three sensors ensure precision response and improved touch sensitivity compared to its predecessor.

Tri-Sensor Scaled Hammer Action II (2012–present models)

[edit]

A revamped incarnation of the previous action. The triple sensors are now installed right below the key's base, while the hammers remain unchanged. Furthermore, this action even features unique keys with simulated synthetic ebony and ivory texture and the sensor's response can be digitally adjusted to match the playing style realistically.

The Scaled Hammer Action II has been described as being harder, more substantial and heavier compared to the previous versions. It is also widely criticized for its characteristic knocking noises when played at medium to high velocities, and considered as being heavier than a generic acoustic piano keys.

Smart Scaled Hammer Action (2019–present models)

[edit]

Reduces size and weight without compromising playing feel. Included in PX-S1000 and PX-S3000 models and the new 2021 models, PX-S1100 and PX-S3100.

Smart Hybrid Hammer Action (2022–present models)

[edit]

Included in PX-S5000, PX-S6000 and PX-S7000.

Models

[edit]

Models currently sold in black.

Console models

[edit]
Privia PX-850 (2012)
  • 2006 : PX-700
  • 2007 : PX-720
  • 2008 : PX-800
  • 2009 : PX-730
  • 2010 : PX-830
  • 2012 : PX-750; PX-780 and PX-850
  • 2013 : PX-A800
  • 2015 : PX-760 and PX-860
  • 2017 : PX-770 and PX-870

Standard models

[edit]
Privia PX-130 (2009)
Privia PX-330 (2009)
  • 2003 : PX-100 – the original Privia, with Dual-Element HL sound engine
  • 2004 : PX-400R – first Privia with LCD display and auto-accompaniment capabilities
  • 2005 : PX-110 – first model with ZPI Synthesis sound engine
  • 2005 : PX-310
  • 2005 : PX-500L - First model with key LEDS.
  • 2006 : PX-300
  • 2007 : PX-200 – first entry-level Privia model with AiF sound engine
  • 2007 : PX-320 – first Privia model with AiF sound engine
  • 2007 : PX-410R – minor upgrade to the PX-400R
  • 2007/08 : PX-120
  • 2008 : PX-575 – the last Privia model with ZPI sound engine
  • 2009 : PX-330 – first Privia model with Linear Morphing; introducing dot-matrix LCD display, replacing the digital alphanumeric display as seen on PX-410R and PX-575
  • 2009/10 : PX-130/PX-135BK/WE – first entry-level model with Linear Morphing
  • 2012 : PX-350M – successor to the PX-330, Features the same dot matrix display, new improved 4 layer stereo piano tones with AiR sound engine, a 16 track recorder and new accompaniment capabilities.
  • 2012 : PX-150 – successor to the PX-130/135 with enhanced sampling system and the first model with the present AiR sound engine
  • 2013 : PX-A100 – Privia 10th Anniversary model, based on the PX-150 and available in red or blue color
  • 2015 : PX-160 – successor to the PX-150; minor improvements with enhanced sounds
  • 2015 : PX-360M/CGP-700 – Successor to the PX-350M; features a color touch screen and improved sounds from its predecessors, with a new proprietary Multi-Expressive Intelligence (MXi) sound engine in collaboration with the default AiR engine, as well as revamped built-in speakers.
  • 2019 : PX-S1000 and PX-S3000
  • 2021 : PX-S1100 and PX-S3100
  • 2022: PX-S5000, PX-S6000 and PX-S7000

The CGP-700 includes a unique stand equipped with built-in amplification and speakers.

The MXi sound engine was later used for Casio's latest MZ-X series of keyboard/synthesizer hybrid instrument, introduced in early 2016

Note: the CGP-700[4] (2015 model) and PX-A100/A800 Anniversary series (2013 model) were offered only in Japan and Western markets, and not available in other regions. [citation needed]

Stage pianos (Privia PRO series)

[edit]
  • 2010 : PX-7WE
  • 2011 : PX-3BK/WH – Casio's first-ever stage piano model
  • 2013 : PX-5S – stage ready variation of the PX-350, the PX-5S adds tone editing and controller capabilities and a new Ivory Touch keybed. The internal speakers and accompaniment were removed to a facilitate the new features. The PX-5S weighs under 25 lbs., holding the distinction of being the lightest stage piano ever manufactured.
  • 2015 : PX-560M – stage ready variation of the PX-360 and CGP-700, featuring the same color touch screen and auto-accompaniment function, but added synthesizer control, Hex Layers (tones with up to 6 simultaneous instruments) and sound editing capabilities, similar to that of PX-5S. Unlike the PX-5S, this model is equipped with built-in speakers.

Footnotes

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Privia

View on Grokipedia
from Grokipedia
The Privia is a line of digital pianos and stage pianos manufactured by since its debut in 2003. Conceived as a "private piano" to make high-quality piano playing accessible in personal spaces, the series is known for its slim, lightweight design, authentic keyboard action, and advanced sound generation technologies that simulate grand piano tones. Privia models incorporate features like scaled hammer action keyboards, multi-layer stereo sampling, and up to 256-note in premium variants, supporting both home practice and professional performance. The lineup has evolved from the inaugural PX-100 model, which set records for its shallow depth, to modern iterations using Casio's AiR (Acoustic Intelligent Resonator) sound source for realistic resonance and expression. As of November 2025, Privia offers portable slim models (e.g., PX-S1100 series with new limited-edition Calm Blue and Mellow Beige colors released in July 2025), console-style home pianos, and stage-ready professional models like the PX-S7000, emphasizing portability, connectivity via Bluetooth and MIDI, and integration with smart devices.

Introduction and Background

Overview

Privia is a series of digital pianos and stage pianos developed by , launched in October 2003 with the debut model PX-100, designed as an affordable and space-saving alternative to traditional acoustic pianos. The series emphasizes portability and accessibility, allowing users to integrate high-quality piano performance into everyday home environments without the bulk or upkeep of grand pianos. The core concept behind Privia derives from the term "Private Piano," envisioning an instrument tailored for personal enjoyment and seamless harmony with home life, where players can practice or perform in private spaces. By 2019, the series evolved to embody the principles of "Slim, Stylish, and Smart," incorporating advanced compact designs while maintaining authentic piano expression. Key features include 88 full-sized weighted keys for realistic touch response, multi-layer piano sampling to capture tonal nuances, polyphony up to 256 notes in flagship models for complex performances, and overall weights typically under 12 kg to enhance portability. Privia targets a broad , including seeking an entry point into playing, home enthusiasts desiring reliable daily instruments, and professionals needing versatile options for practice, , or travel without sacrificing playability. Over time, the line has progressed from basic entry-level offerings to sophisticated models featuring connectivity and integration with apps like Music Space for enhanced learning and control.

History

The Privia series debuted in October 2003 with the PX-100 model, marking Casio's entry into affordable with a focus on portability and realism. This launch introduced scaled hammer action keyboards to the budget segment, featuring 88 weighted keys that simulated the feel of an acoustic while maintaining a compact depth of approximately 23.3 cm—the shallowest for a digital piano with built-in speakers at the time. Subsequent models like the PX-110 and PX-120 followed shortly after, expanding the lineup with enhanced connectivity options and built-in rhythms, quickly establishing Privia as an accessible alternative for home musicians. In , advanced the series with the PX-130, shifting to Tri-Sensor technology for the first time in Privia models. This upgrade employed three sensors per key to detect velocity more precisely, improving responsiveness and enabling greater expressive control during performance, which was particularly beneficial for pianists seeking nuanced dynamics in a portable format. The PX-130's lightweight design at just 11.6 kg further emphasized Privia's commitment to mobility without compromising playability. The year 2012 brought significant refinements with the PX-150, incorporating the upgraded Tri-Sensor II action and Casio's new Multi-dimensional Morphing AiR sound source. Tri-Sensor II enhanced key detection for faster repetition and more natural touch, while AiR utilized linear morphing of multi-layered samples to deliver richer, more realistic grand tones with improved . These innovations elevated the series' audio fidelity, positioning Privia as a competitive option for intermediate players. The "Slim" era began in 2019 with the PX-S1000 series, revolutionizing portability by reducing the body depth to 23.2 cm—the slimmest hammer-action available—and introducing battery operation for up to 4 hours of cordless play. This design prioritized seamless integration into modern lifestyles, with smart scaled hammer action maintaining authentic feel in an ultra-compact form. The series received acclaim for blending professional-grade performance with everyday convenience. In 2022, the PX-S7000 debuted the Smart Hybrid Hammer Action, featuring keys constructed from a wood-resin composite for enhanced stability and a more organic response akin to acoustic grands. This hybrid approach combined physical hammer mechanics with digital refinement, offering five adjustable touch sensitivities to suit diverse playing styles. The model underscored Privia's ongoing push toward premium realism in slim formats. In 2022, introduced the PX-S5000, PX-S6000, and PX-S7000, incorporating an advanced Multi-dimensional Morphing AiR sound source with expanded grand piano samples from renowned instruments, including , and models, for deeper tonal variation and resonance. In 2025, limited-edition colors—Calm Blue and Mellow Beige—were introduced for the PX-S1100 to align with contemporary interior trends, available starting . Concurrently, older console models like the PX-770 and PX-870 were discontinued, streamlining the portfolio toward slimmer, hybrid designs. Over more than two decades, the Privia series has evolved from a budget innovator to a benchmark for portable digital pianos, earning praise for its affordability and quality amid competition from brands like Yamaha and . Its consistent advancements in action and sound have driven widespread adoption among beginners and professionals alike.

Core Technologies

Keyboard Actions

The keyboard actions in Casio's Privia series have evolved through several generations, each iteration refining the simulation of an acoustic piano's tactile response using weighted mechanisms without actual strings. The foundational Scaled Hammer Action Keyboard, introduced in early models from 2003 to 2008, features an 88-key hammer mechanism with velocity-sensitive keys that provide a lighter touch in the higher registers to mimic the natural weighting of a grand piano's action. This design uses graded hammer weights to ensure heavier resistance in the bass and progressively lighter feel toward the treble, delivering responsive dynamics for basic performance needs. Subsequent advancements introduced multi-sensor technology for enhanced precision. The Tri-Sensor Scaled Hammer Action, used in models from 2009 to 2011, incorporates three optical sensors per key to detect and position, enabling faster note repetition and a of aftertouch by capturing subtle key variations. This setup improves overall responsiveness compared to single-sensor predecessors, supporting more expressive playing through accurate detection of keystroke nuances. Building on this, the Tri-Sensor Scaled Hammer Action II, implemented from to 2018, employs dual optical s for hammer detection combined with a dedicated key position , allowing for refined control over key travel and release. The mechanism maintains the graded weighting principle, with simulated hammers providing consistent tactile feedback across the keyboard. More recent developments emphasize material innovation and customization. The Smart Scaled Hammer Action, featured in models from 2019 to 2021, utilizes linearly weighted keys with textured surfaces simulating for improved grip and realism, alongside adjustable touch sensitivity across five levels to accommodate varying playing styles. This action integrates digital control to optimize the feel in compact form factors. The current Smart Hybrid Hammer Action, introduced in 2022 and ongoing as of 2025, combines wood-resin hybrid keys with sides for enhanced acoustic properties and a triple-sensor system using optical sensors for precise detection of key and hammer movement. Exemplified in the PX-S7000 model, it preserves the series' hallmark graded weighting while advancing realism in key travel and rebound. Across all Privia keyboard actions, the mechanisms rely on simulated hammers with graded weighting to achieve piano-like touch via mechanical rather than physical strings.

Sound Generation and Effects

The Privia series utilizes Casio's proprietary Multi-dimensional Morphing AiR Sound Source, introduced in 2014, to generate highly realistic acoustic tones through multi-layered stereo sampling of pianos, including the Steinway model. This technology employs lossless linear compression and real-time morphing to dynamically adjust volume, , and based on playing , pedal usage, and temporal changes, ensuring smooth transitions that mimic the nuanced response of an acoustic instrument. It supports a maximum of 256 notes, allowing for complex performances without note dropout. Prior to the AiR implementation, Privia models from 2003 to 2013 relied on the Linear Morphing sound engine, which featured 2- to 4-layer sampling focused on acoustic reproduction with ranging from 128 to 192 . This earlier system emphasized natural tonal variations through between samples but lacked the advanced multi-dimensional adjustments of later versions. Privia instruments offer 18 to 60 built-in piano tone variations, derived from sampled grands with subtle differences in brightness and sustain, alongside 150 to 400 additional instrument sounds such as strings, organs, and electric pianos. These support layering for combined voicings and split modes to divide the keyboard between tones, enabling versatile playing. The effects suite enhances realism through physical modeling simulations, including damper resonance that replicates string vibrations when the sustain pedal is engaged and string resonance capturing sympathetic interactions among undamped strings. Additional processing covers 4 to 24 reverb types for spatial depth, chorus for modulation, EQ for tonal shaping, and simulations of lid position and pedal noises to evoke acoustic enclosure effects. Newer models from 2023 onward, such as the PX-S7000 series, incorporate upgraded acoustic simulation with enhanced and key-off modeling, achieving near-acoustic fidelity through refined multi-dimensional processing of three concert grand samples (Hamburg, New York, and variants). Audio output employs a 24-bit with high-resolution processing, paired with speaker systems delivering varying wattage in premium configurations for balanced, room-filling projection. Keyboard velocity integrates seamlessly with these effects to modulate resonance intensity in real time.

Design and Functionality

Form Factors and Portability

The Privia series by encompasses a range of form factors designed for diverse usage scenarios, from compact portability to home console setups, prioritizing lightweight construction and ergonomic accessibility. Slim models, such as the PX-S1100, exemplify ultra-portable designs with a depth of just 23.2 , a width of 132.2 , and a height of 10.2 , weighing approximately 11 kg without batteries. These dimensions enable easy placement on desks, tables, or travel cases, while compatibility with six AA alkaline batteries supports up to 4 hours of continuous playtime, enhancing mobility for practice or performance on the go. Standard portable models, like the PX-160, maintain a lightweight profile at 11.1 kg and dimensions of 132.2 cm wide by 29.3 cm deep by 14.1 cm high, often paired with optional foldable stands such as the CS-67 for elevated play without permanent installation. This configuration suits gigging musicians or home users seeking flexibility, with anti-slip key surfaces featuring simulated textures—introduced in Privia models since 2012—to ensure stable fingering during extended sessions. The bodies are constructed from durable ABS plastic, contributing to the overall portability while resisting wear in mobile environments. In contrast, console-style Privia pianos, such as the PX-870, adopt a more stationary furniture-like aesthetic with integrated stands and sliding lids for protection and sound projection control, measuring 139 cm wide, 80 cm high, and 29.8 cm deep at around 34.5 kg. These models feature wood-finish cabinets in finishes like black or , blending seamlessly into living spaces, and include built-in triple-pedal units with damper, soft, and sostenuto functions for authentic grand pedaling. Ergonomic enhancements across the lineup include adjustable benches, such as the height-variable BG-50 for models like the PX-S7000, and diverse color options, including 2025 limited editions in Calm Blue for the PX-S1100 to match modern interiors.

Connectivity and User Interface

Privia digital pianos feature a range of input and output ports designed for versatile connectivity in performance and practice settings. Standard ports include USB to Host and USB to Device for bidirectional MIDI and audio transmission, enabling class-compliant integration with computers and mobile devices without additional drivers. Additionally, 1/4-inch line input and output jacks support connections to external amplifiers, PA systems, or audio interfaces, while dedicated inputs allow for half-pedaling functionality with compatible pedals. Higher-end models incorporate dual headphone jacks for shared silent practice. Bluetooth integration was introduced in Privia models starting from 2019, enhancing wireless capabilities for audio and data transfer via the optional WU-BT10 adapter. This allows seamless connection to smartphones and tablets for streaming audio playback through the piano's speakers and using for remote control or app-based lessons with Chordana Play for Piano, which supports interactive tutorials, score display, and firmware updates over . User controls on Privia instruments typically include an LCD display for parameter visualization, with dedicated buttons—ranging from 5 to 18 depending on the model—for functions such as tone selection, adjustment, and toggling. Stage-oriented models feature touch-sensitive sliders for real-time parameter control, while app integration via or USB enables deeper customization of elements like EQ and reverb settings, tying into broader sound editing capabilities. By 2025, integration with the Music Space app further enhances remote operation, offering digital scores, lessons, and live simulation features. Recording features encompass a built-in 2-track recorder for capturing performances, alongside USB audio recording for direct file export, accommodating up to 99 user songs across sessions. A with adjustable tempo (20 to 255 BPM), including tap tempo functionality, supports practice and recording . The user interface of Privia pianos has evolved significantly since their debut in 2003 with basic control panels focused on essential functions, progressing to integrated smart app ecosystems by 2025 for enhanced remote operation and personalization. This development complements portability features, such as battery operation with 6 AA alkaline batteries (up to 4 hours) in select slim models.

Model Categories

Slim Portable Models

The Slim Portable Models of the Privia series, particularly the PX-S lineup, emphasize ultra-compact design for mobile musicians and space-constrained environments, measuring just 232 mm in depth while maintaining full 88-key weighted actions suitable for practice and performance on the go. These models integrate battery power and connectivity, enabling untethered use without sacrificing essential features like responsive key actions and high-fidelity reproduction via the Multi-Dimensional Morphing AiR engine. The entry-level PX-S1100, introduced in 2020, features an 88-key Smart Scaled Hammer Action keyboard with simulated ebony and ivory key surfaces for authentic touch response across five sensitivity levels. It offers 18 built-in tones, including a stereo with enhanced string and damper resonance, supported by 192-note maximum to handle complex layered performances without note dropout. The dual 8-watt speakers deliver balanced output with improved low-end response, while audio and connectivity—via the included WU-BT10 adapter—allow seamless integration with the MUSIC SPACE app for tone adjustments and lesson functions. Powered by six AA alkaline batteries for approximately four hours of continuous play, it weighs about 11 kg and carries an MSRP of $699, making it ideal for casual portability. In 2025, limited-edition color variants in Calm Blue and Mellow Beige were released to appeal to lifestyle-oriented users. Building on the PX-S1100, the PX-S3100 (also launched in 2020) expands versatility with 700 tones spanning acoustic pianos, electric pianos, organs, strings, and more, alongside 200 rhythms for auto-accompaniment in various genres. Retaining the 88-key Smart Scaled Hammer Action and 192-note , it adds practical recording capabilities, including USB audio recording and a three-track recorder for up to five songs. The same dual 8-watt speaker system and features support app-based virtual technician controls, such as reverb and chorus effects tailoring. Like its sibling, it runs on six AA batteries for around four hours and has an MSRP of $849, prioritizing comprehensive functionality in a minimalist form for hobbyists and educators. The 2022 PX-S5000 shifts toward premium piano-centric performance with a Smart Hybrid Hammer Action keyboard incorporating sides for enhanced acoustic realism and durability. It includes 23 curated tones focused on grand pianos—like a detailed German model with advanced modeling—backed by 192-note . Dual 8-watt speakers provide clear projection, complemented by audio/ and app integration for fine-tuning damper and string resonances. Battery operation uses six AA cells for about four hours, with an MSRP of $1,099, positioning it as a refined choice for dedicated pianists seeking slimline authenticity. Higher in the lineup, the PX-S6000 () offers 350 tones, including specialized electric pianos and synth layers, with 256-note for sustained orchestral arrangements. Its Smart Hybrid Hammer Action keys pair with a four-speaker system (four 8-watt units totaling 32 watts) for immersive spatial audio. Features like six-track MIDI recording and full audio/ enable professional workflows, powered by eight AA batteries for roughly four hours at an MSRP of $1,799. The top-tier PX-S7000 (2022) refines this further with 400 tones, emphasizing 50 variations alongside acoustic grands, and 256-note for seamless multi-timbral play. Equipped with Smart Hybrid Hammer Action keys (hybrid of and resin) for natural hammer feel and a four-speaker setup (four 8-watt units totaling 32 watts), it supports six-track recording and advanced connectivity. Eight AA batteries provide about four hours of operation, with an MSRP of $2,499, suiting mobile creators who demand studio-grade portability. Across the PX-S series, shared attributes include optional battery power for fieldwork, the ultra-slim 232 mm depth for easy transport, and deep integration with the MUSIC SPACE app, which allows remote virtual technician adjustments like lid position simulation and EQ customization to mimic acoustic nuances.
ModelKeys (Action)TonesPolyphonySpeakers (Watts)Battery (AA / Hours)RecordingMSRP (USD)
PX-S110088 Smart Scaled Hammer181922 × 86 / ~4MIDI (basic)699
PX-S310088 Smart Scaled Hammer7001922 × 86 / ~4Audio/MIDI (3-trk)849
PX-S500088 Smart Hybrid Hammer231922 × 86 / ~4MIDI (2-trk)1,099
PX-S600088 Smart Hybrid Hammer3502564 × 8 (32 total)8 / ~4MIDI (6-trk)1,799
PX-S700088 Smart Hybrid Hammer4002564 × 8 (32 total)8 / ~4MIDI (6-trk)2,499

Console Models

The console models in the Privia series represent Casio's furniture-style digital pianos designed for stationary home use, emphasizing elegant integrated with fixed stands for a traditional upright aesthetic. These models, primarily from the PX-700 and PX-800 subseries, prioritize immersive sound projection and realistic key action suitable for environments, with weights typically ranging from 30 to 35 kg to ensure stability without portability. The Privia PX-770, released in 2017 and discontinued in November 2025, features a Tri-sensor Scaled Hammer Action Keyboard II with simulated ebony and ivory key surfaces across 88 keys, providing three levels of touch sensitivity for expressive play. It includes 19 built-in tones powered by the Multi-dimensional Morphing AiR Sound Source, with a maximum polyphony of 128 notes to support complex performances without note dropout. The model incorporates a 24-watt stereo speaker system (12W + 12W) oriented for room-filling sound, along with three built-in pedals (damper, soft, sostenuto) supporting half-damper operation. Additional home-friendly elements include a sliding key cover for dust protection and a fixed stand, with dimensions of approximately 139.7 cm wide, 29.9 cm deep, and 82.5 cm high, weighing 31.5 kg. Its original MSRP was $699.99. Introduced in 2018 and also discontinued in November 2025, the Privia PX-870 builds on the PX-770 with enhanced audio capabilities using the same AiR Sound Source but offering 256-note for greater sustain in layered arrangements. It retains the 88-key Tri-sensor Scaled Hammer Action Keyboard II for authentic grand piano simulation, including 19 tones and three pedals with half-damper support. The upgraded 40-watt, four-speaker system (20W + 20W) employs a Sound Projection design with downward- and forward-firing speakers to simulate in home settings. Like its sibling, it features a sliding key cover and fixed stand, measuring about 136.2 cm wide, 29.9 cm deep, and 83.1 cm high, at 35.4 kg, with an original MSRP of $999.99. Common to these console models are their emphasis on domestic integration, with fixed stands ensuring a stable 60 cm playing height when paired with included benches, and sliding covers that also aid in subtle sound damping when closed. Their wood-like finishes in black, white, or complement decor, while USB connectivity allows for firmware updates and integration, with Casio maintaining support for legacy models through at least 2026 via official downloads. As of 2025, Casio has previewed evolutions in the Privia lineup, such as the PX-S6000, which introduces Smart Hybrid Hammer Action keys combining acoustic hammers with digital sensors, 256-note , and optional wood stand accessories for a semi-console setup, though it shifts toward slimmer profiles without full .
ModelRelease/DiscontinuationKey ActionTones/PolyphonySpeakersWeightMSRP
PX-7702017–2025Tri-sensor Scaled Action II ()19 / 12812W + 12W ()31.5 kg$699.99
PX-8702018–2025Tri-sensor Scaled Action II ()19 / 25620W + 20W (4-speaker)35.4 kg$999.99

Stage and Professional Models

The Privia stage and professional models are designed for live performances and studio applications, emphasizing portability, real-time control, and integration with external equipment. These instruments cater to touring musicians and session players who require robust build quality, extensive sound editing, and functionality without the bulk of traditional stage pianos. Key examples include the longstanding PX-5S and the more recent PX-S7000, which blend piano authenticity with versatility. The PX-5S, introduced in 2013 and remaining in production through 2025, features an 88-key Tri-Sensor Scaled Hammer Action II keyboard for responsive play, supporting up to 256-note and 340 preset tones plus 220 user tones for broad sonic options. It includes built-in speakers rated at 2 x 8W plus 2 x 3W, and is battery-powered via 6 AA batteries for up to 4 hours of operation, making it ideal for mobile gigs. A dedicated pitch bend wheel and modulation wheel enhance expressive control, while its original MSRP of approximately $800 positions it as an accessible professional tool. Professional musicians praise its versatility as a , MIDI controller, and performance synth, often using it for layered sounds and real-time parameter adjustments during live sets. Introduced in 2022 and available into 2025, the PX-S7000 serves as a professional hybrid model with an 88-key Smart Hybrid Hammer Action keyboard combining wood and resin for authentic feel, 400 tones, and 256-note . It supports keyboard split and layering functions, including duet mode for two zones, and is expandable via USB for data, audio playback, and connection to computers or storage devices. With a four-channel, four-speaker system (4 x 8W) delivering spatial audio, it suits hybrid stage and studio use, carrying an MSRP of $2,499. Shared characteristics across these models include lightweight construction—the PX-5S weighs just 11 kg for easy transport—and two assignable inputs for dynamic control. They offer 16-part multitimbral capabilities for complex arrangements and feature durable metal to withstand demands. By 2025, Audio and connectivity in models like the PX-S7000 enables low-latency wireless integration with DAWs such as , facilitating seamless stage monitoring and remote control without cables.

References

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  5. https://www.prnewswire.com/news-releases/casio-to-release-a-slim-and-stylish-digital-piano--the-slimmest-in-the-world-300783539.html
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  13. https://www.casio.com/intl/electronic-musical-instruments/app/music-space/
  14. https://world.casio.com/corporate/history/chronology/
  15. https://archive.nytimes.com/gadgetwise.blogs.nytimes.com/2009/09/21/privia-nx-130-real-piano-sound-in-26-pounds/
  16. http://arch.casio-intl.com/asia-mea/en/emi/privia/px150/
  17. https://www.merriammusic.com/blog/casio-px-s7000/
  18. https://www.casio.com/us/electronic-musical-instruments/product.PX-S5000BK/
  19. https://azpianoreviews.com/casio-px770-review-2023-digital-piano-lower-price-here/
  20. https://www.pianodreamers.com/casio-px-s1000-review/
  21. https://web.casio.com/emi/40th/history/px-100.html
  22. http://arch.casio-intl.com/asia-mea/en/emi/past/privia/px100.html
  23. http://arch.casio-intl.com/asia-mea/en/emi/privia/px130/
  24. https://www.merriammusic.com/blog/pianos-blog/casio-px-870/
  25. https://www.casio.com/us/electronic-musical-instruments/product.PX-770BK/
  26. https://www.casio-intl.com/asia/en/emi/products/px160/
  27. https://www.casio.com/us/electronic-musical-instruments/product.PX-S1000BK/
  28. https://music.casio.com/us/electronic-musical-instruments/privia/px-s1100-px-s3100-px-s5000/Comprehensive-Breakdown/
  29. https://www.casio.com/us/electronic-musical-instruments/product.PX-S7000HM/
  30. https://www.casio.com/intl/electronic-musical-instruments/product.PX-870WE/
  31. https://www.casio.com/us/electronic-musical-instruments/product.PX-870BK/
  32. https://arch.casio.com/emi/privia-10th/en/
  33. https://www.casio.com/intl/electronic-musical-instruments/product.PX-S7000BK/
  34. https://www.casio-intl.com/asia/en/emi/products/px160/spec/
  35. https://www.casio.com/us/electronic-musical-instruments/product.PX-560MBE/
  36. https://www.sweetwater.com/store/detail/PXS1100BK--casio-privia-px-s1100-digital-piano-black
  37. https://www.merriammusic.com/product/casio-px-s1100-digital-piano/
  38. https://www.amazon.com/Casio-88-Key-Digital-Pianos-Stage-PX-S1100BK/dp/B09GG8SCBF
  39. https://www.guitarcenter.com/Casio/PX-870-Digital-Console-Piano-Black-1500000141176.gc
  40. https://www.bhphotovideo.com/c/product/1363179-REG/casio_px870bk_px870_88_key_digital.html
  41. https://www.casio.com/europe/corporate/casio-corporate/news/2025/new-colors/
  42. https://www.casio.com/us/electronic-musical-instruments/product.PX-S6000BK/
  43. https://www.casio.com/us/electronic-musical-instruments/product.PX-S3100BK/
  44. https://play.google.com/store/apps/details?id=jp.co.casio.chordanaplay&hl=en_US
  45. https://web.casio.com/app/en/piano/manual/BIAJSYrcispwny.html
  46. https://support.casio.com/pdf/008/px_300_01_e.pdf
  47. https://www.casio.com/content/dam/casio/global/support/manuals/electronic-musical-instruments/pdf/008-en/p/PXS1000_usersguide_EN.pdf
  48. https://music.casio.com/us/electronic-musical-instruments/privia/px-s1100-px-s3100-px-s5000/
  49. https://www.casio.com/intl/news/2022/0908-privia/
  50. https://www.sweetwater.com/store/detail/PXS7000BK--casio-px-s7000-digital-piano-black
  51. https://www.casio.com/mea-en/electronic-musical-instruments/product.PX-770BK/
  52. https://www.pianodreamers.com/casio-px770-review/
  53. https://azpianoreviews.com/tag/px-770/
  54. https://www.pianodreamers.com/casio-px870-review/
  55. https://www.sweetwater.com/store/detail/PX5S--casio-privia-px-5s
  56. https://www.guitarcenter.com/Casio/Privia-PX-5S-Pro-Stage-Piano-1360008828219.gc
  57. https://www.sweetwater.com/store/detail/PX5S/specs
  58. https://www.casio.com/us/electronic-musical-instruments/product.PX-5SWE/
  59. https://www.fullcompass.com/prod/232244-casio-px5s-stage-piano-88-key-tri-sensor-scaled-hammer-action-digital-stage-piano
  60. https://equipboard.com/items/casio-privia-pro-px-5s
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