1. relating to or using a sound reproduction system with four separate channels
Usage: audio technology

Examples

• The quadraphonic sound system created an immersive listening experience.
• Many albums from the 1970s were released in quadraphonic format.
• The concert hall was equipped with quadraphonic speakers positioned around the audience.
• Quadraphonic recordings require four separate audio channels to work properly.
• The audiophile preferred quadraphonic playback for classical music.
• Few home stereo systems today support quadraphonic sound.