Our SA-2 stereo amplifier works with your Lifestyle® system and Bose® speakers to bring music to an additional room in your home, or even outdoors. Enjoy jazz on the patio while the kids watch a movie in the den. At the same time, from the same Lifestyle® system. Only Bose delivers this unique blend of performance, elegance, simplicity and expandability so you can enjoy a whole-home entertainment experience unlike any other.