With the SoundTouch® SA-5 amplifier, you can add your speakers and experience a world of wireless music. Easily. The 100W per channel amplifier connects to your home Wi-Fi® network and is part of an entire family of Bose® products for every room of your home that lets you explore, organize and easily play your favorite music. A free app lets you explore music services, Internet radio and your music library. Plus, it transforms your phone into a powerful remote so you can control your music, no matter where you are around your home. The SA-5 amplifier also has Bluetooth® connectivity and three aux inputs so you can connect non-streaming sources, such as a CD player.