Main Features: 2 Channels, Mic Input 3 band EQ (Bass - Mid - Treble) Chorus and Reverb effects 50 watt RMS 1 x 6.5-inch Woofer 1 x 1-inch Tweeter DI OUT 3.5mm (1/8) Aux-in FX Loop (SEND/RETURN) Separated phase switch Built-in Looper Built-in Drum Patterns Stageman AC50 featured with additional controls with mobile phone application and optional Bluetooth footswitch. Using APP or Bluetooth footswitch allows you to use built-in drum patterns and looper function and the Bluetooth connectivity provides an easy playback interface for your mobile devices.