BT 5.0 Digital Power Amplifier 2x50W Dual Channel Audio System Lossless Stereo Sound Receiver Box Supports U-disk & TF Card Playback with 12V Adapter for Connecting Phone Tablet Laptop CD Player TV

Features:
Digital Power Amplifier: Lossless sound quality, BT 5.0 transmission, stable signal and 12m long transmission distance without obstacles.
Drive-free, plug and play. It can be connected to PC, laptop, smart phone, tablet, CD player, music player, TV, set top box, etc.
Supports U-disk and TF card playing, compatible with various formats (MP3/ MAV/ APE/ FLAC). Compact and lightweight, easy to carry.
Adopts MA12070 chip, the real output power can reach up to 50W for each channel, 2 channels in total; equipped with 12V 5A power adapter, the output power is 30W x 2 (4 ohms); if connecting with 8 ohms speaker, the output power is 15W x 2; please noted the required voltage is DC 9V-20V, the chip will be damaged if exceeding 20V.
It is a constant resistance amplifier, supporting 4/ 6/ 8/ 16 ohms passive speakers; cannot be connected to active speakers and passive subwoofer; 4 pillars in the back are output interfaces, which cannot be connected to 3.5mm headphone plug or lotus plug.
Note:
1. Power amplifier and power adapter included only, other accessories are NOT included.
2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.