Interaudio Speakers Model 4000 loudspeakers. Bose. Classic Vintage.
Bose 901 Series VI classic PAIR SPEAKERS ONLY working condition | eBay
Restored Vintage 1983 Bose 901 Series V Speakers with Tulip Stands and Equaliser at 1stDibs | bose 901 stands, bose 901 restoration, bose 901 series v equalizer