Bose's research led to the development of the 901 speaker, which utilized a unique direct/reflecting design. This design reflected sound off the walls of a room, creating a more spacious and realistic soundstage. The 901 system challenged conventional speaker designs and revolutionized the audio industry.

Bose Corporation developed Acoustic Wave technology, which used a folded waveguide to enhance the bass response of small speakers. This technology enabled the creation of compact and high-performance audio systems.

Bose Corporation was a pioneer in noise cancellation technology, developing advanced electronic circuits and algorithms to reduce unwanted background noise. This technology led to the creation of high-quality noise-cancelling headphones and audio systems used in aviation and other applications.

Amar Bose and his team conducted extensive research in psychoacoustics, the study of how humans perceive sound. This research informed the design of Bose audio products, ensuring that they delivered a natural and pleasing listening experience. Bose focused on optimizing the sound quality based on human hearing perception.