Bose SoundTouch SA-5 Bluetooth & WiFi Enabled Amplifier w/ Two 251 SE Outdoor Speaker Systems (2 Pairs) Black This Bundle contains 3 items: (1) Bose SoundTouch SA-5 Amplifier - Black ; (2) Bose 251 SE Environmental Speakers - Black (2 Pairs) 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. With SoundTouch, you can discover and enjoy music more effortlessly than ever before. Wirelessly stream millions of songs through Spotify, Pandora, iHeartRadio and Deezer, as well as Internet radio stations and your own music library.