502S Mini Bluetooth Amplifier Remote Control USB/SD Card Player FM Radio Power Amplifier 12V blue Bluetooth power amplifier

- Remote control makes your operation more convenient in a long distance.

- Professional level input operational amplifier IC for circuit design, sound, transparent, bright.

- Four electronic keypad control help you operate the amplifier easily.

- Selected high-power Dual-channel professional power amplifier integrated circuits, minimal distortion strong power.