POWER ACOUSTIK - 2 DIN 300 WATT 4 CHANNEL CD & MP3 AM/FM RECEIVER WITH SD/USB PLAYBACK & V2.0 BLUETOOTH HANDS FREE CALLING FROM ENABLED PHONE. FEATURES A2DP MP3 AUDIO PLAYBACK FROM ENABLED DEVICE, PLAYBACK FROM 32GB USB OF MP3 & WMA, PLAYBACK FROM CD, CDR, CDRW OF MP3 & WMA, AUX AUDIO INPUT FOR PERSONAL MEDIA DEVICES, FRONT & REAR PRE-AMP OUTPUT, SUBWOOFER PRE-AMP OUTPUT, 300WX4 CHANNEL MOSFET SPEAKER OUTPUTS, CUSTOM & PRESET EQUALIZER SETTINGS, AUDIO STAGING CONTROLS, 12/24 HOUR DIGITAL CLOCK & REMOTE CONTROL.