![Bose 901 Series VI direct / reflecting speaker from 1987 with matching Active Equalizer on top Stock Photo - Alamy Bose 901 Series VI direct / reflecting speaker from 1987 with matching Active Equalizer on top Stock Photo - Alamy](https://c8.alamy.com/comp/C5KF6N/bose-901-series-vi-direct-reflecting-speaker-from-1987-with-matching-C5KF6N.jpg)
Bose 901 Series VI direct / reflecting speaker from 1987 with matching Active Equalizer on top Stock Photo - Alamy
EQ901B-I/II - Replacement Upgrade for BOSE 901 I II Equalizers | Deer Creek Audio miniDSP Digital Signal Processing Experts
EQ901B-V/VI Replacement Upgrade for BOSE 901 V/VI Equalizers | Deer Creek Audio miniDSP Digital Signal Processing Experts
![Amazon.com: 901 Equalizer Series iii - i v /one Equalizer @ This Price no Cables get Good Ones : Electronics Amazon.com: 901 Equalizer Series iii - i v /one Equalizer @ This Price no Cables get Good Ones : Electronics](https://m.media-amazon.com/images/I/81XtQecjJoL._AC_SL1500_.jpg)