With the SoundTouch app shutting down on February 18, 2026, many clients are asking why some Bose amplifiers will continue to work after that date, while others will not. The reason comes down to how the amplifiers were designed and whether they rely on Wi-Fi and the SoundTouch platform. Older Bose Amplifiers: SA-1, SA-2, SA-3 — These WILL Still Work The SA-1, SA-2, and SA-3 are hardwired analog amplifiers that do not depend on Wi-Fi or the SoundTouch platform. • They co