The Bose® SoundTouch™ SA-4 amplifier works with the following Bose indoor and outdoor speakers, as well as most other speakers.
|301® Direct/Reflecting® speaker system||201® Direct/Reflecting speaker system|
|161™ speaker system||Virtually Invisible® 791 in-ceiling speakers|
|Virtually Invisible 191 in-wall speakers||Acoustimass® 5 Series III system|
|Acoustimass® 3 Series IV system|
|251® environmental speakers||151® SE environmental speakers|
|Free Space® 51 environmental speakers|