Bose Music Amplifier Speaker amp with Bluetooth & Wi-Fi connectivity Black The soundtrack to your life Power your passive speakers and connect the Bose Music Amplifier over Wi-Fi so you can stream all your favorites from playlists to podcasts easily from your phone. Making connections For an optimal sound experience pair with Bose in-ceiling or outdoor speakers. The custom EQ delivers clear well-balanced sound. Amped-up streaming apps Access the Bose Music apps integrated music services and internet radio stations over Wi-Fi. Or connect to your phone with Bluetooth Apple AirPlay 2 Spotify Connect or Chromecast built-in. Our secret ingredient This amp was built with Bose proprietary signal processing technology that automatically adjusts tonal balance with changes in volume. You get lifelike sound at almost all listening levels while vocals maintain clarity. Sounds good right? For an optimal sound experience pair the Bose Music Amplifier with passive speakers from Bose like the Bose Virtually Invisible 791 in-ceiling speakers and the Bose 251 environmental speakers.