Sony CDXG3100UP CD Single with Mega Bass Dynamic Amp (Black) 55 watts x 4 dynamic reality amp, dynamic color illuminator with sound synchronization, advanced sound with Eq5, Mega bass, and LPF Crossover, MP3/wma music file playback support for CD and USB.Audio Level Adjustment YES (-8 dB to +18 dB) Works with Pandora (iOS and Android), intuitive quick-browser and jump mode search Features, digital clarity Tuner with rds., front aux and USB for iOS & other USB devices 2-Volt rear and sub RCA preamp outputs, subwoofer easy connection with level control, steering wheel remote control input ready, convenient wireless remote (rm-x211)