Bose Interaudio 4000 Speaker System Black | Reverb
Vintage BOSE Speakers Interaudio alpha 3 a3, 15 to 150 watt MADE IN USA, 3-WAY BALANCED, fully tested, sounds AWESOME! for Sale in Los Angeles, CA - OfferUp
Vintage Audio Exchange
Interaudio Speakers Model 4000 loudspeakers. Bose. Classic Vintage.
Interaudio Speakers by BOSE SA-200 - electronics - by owner - sale
Interaudio Speakers Model 4000 loudspeakers. Bose. Classic Vintage.