RADIO CD/USB/BLUETOOTH Power Output: 4 x 50 W High Power Amplifier; Display: White LCD (14seg×10); Control Type: Rotary Encoder Knob; Face Color: Black; Illumination Buttons: 4 Colour (Blue/Green/Red/Amber) Illumination; PreOut: 3 PreOuts (2V, Front/Rear/Subwoofer); Bluetooth®: Parrot Bluetooth built-in; Remote Control Ready; Detachable Face Plate; Dimmer Input;