The Bose Interaudio Model 4000 is a vintage stereo receiver produced by Bose Corporation in the 1980s. It is a part of the Interaudio series of receivers and was designed to provide high-quality audio performance. The Model 4000 includes various features such as AM/FM radio tuner, power amplifier, and input/output connections for connecting external audio devices. The receiver also has controls for adjusting volume, bass, treble, and balance. It is known for its sleek design and excellent sound quality.
