Bose - Interaudio Model 3000 - Speaker set - Catawiki
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
Interaudio Speakers Model 4000 loudspeakers. Bose. Classic Vintage.