Bose SoundTouch SA-5 Bluetooth & WiFi Enabled Amplifier w/ 151 SE Outdoor Speaker System (Pair) Black This Bundle contains 2 items: (1) Bose SoundTouch SA-5 Amplifier - Black ; (1) Bose 151 SE Environmental Speakers - Black (Pair) 100W per channel amplifier connects wirelessly to your home Wi-Fi network. Stream Internet radio, Pandora and your music library outdoors Three aux inputs to connect non-streaming sources, such as a CD player The SA-5 amplifier also has Bluetooth connectivity and three aux inputs so you can connect non-streaming sources, such as a CD player Full-range glass-filled speaker cone (2.5") offers reliable, high quality sound reproduction across audible frequencies even under extreme temperature and weather conditions