... amplifier DC 12V, AC 220V 12v usb/sd audio amplifier for car Item No.: GSG-DY01Technique data: FunctionMp3+FM radio+AmplifierVoltageDC12 ... speaker ( Loudspeaker / Tweeter )Carpat / PVC / Artificial leather surface for optionalEQ effect: Flat / Jazz / Class / Pop / Rock Surface ... Green, Blue,Yellow, Orange and so onShape: Cylindrical Used for Supply power with DC 12 V: motorcycle / motor-tricycle ...