MakerHawk Bluetooth Amplifier Board Hifi Stereo 2.0 2X50W Audio Amplifier Module TPA3116D2 Digital Power Amplifier Bluetooth 5.0 Dual Channel AMP with AUX/USB/Bluetooth/Flash Drive/PC Sound Card Input

Parameter Chip: TPA3116D2 (With AM interference supperession) Bluetooth Version: 5.0 (Without occlusion 15m) Bluetooth  Name: Wuzhi Audio Audio Input: AUX + Bluetooth + USB flash drive + Computer usb sound card (plug and play) Channel: 2.0 Stereo Adaption Supply Voltage: 9-27V Speaker: 10-100W, 4-8Ohm Output Power: 12V - 8 ?/12W*2; 4?/20W*2 15V - 8 ?/18W*2; 4?/30W*2 19V - 8?/32W*2; 4?/40W*2 24V - 8?/38W*2; 4 ?/50W*2 Protection Mechanism: overheating, undervoltage, overheating, DC detection, short circuit protection Tip: To have enough output power if the audio input is sufficient and the supply voltage/current is sufficient. The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power. In the case of sufficient voltage and current, the larger the ohms of the horn, the smaller the relative sound power. Please ensure that the power of the adaptor is greater than the actual working power of the amplifier. Package Including 1 * Amplifier board bluetooth 5.0 1 * Shell 1 * Accessories as shown