Audio Amplifier Board D900 TPA3116 Channel 2.1 Bluetooth5.0 USB Reverb Adjustment 50W+50W+100W Power Amplifier Board for Karaoke

Model Number : D900 Origin : Mainland China Certification : CE Channels : 3 (2.1) Package : Yes Maximum Power Per Channel : 50 W High-concerned chemical : None Features:1. Microphone squawk suppression function 2. Microphone volume and master volume are both independently adjustable 3. High-end aluminum alloy brushed panel 4. Analog wireless microphone board interface 5. Support bass effect adjustmentSpecifications:Product Name: 2.1 Channel Bluetooth Amplifier Board Product Model: D900 Bluetooth: 5.0 (unobstructed, 10 meters) Input Sensitivity: 500mV Input Method: Bluetooth+AUX+MICFM+USB+TF card Channel: 2.1 Amplifier Chip: U.S. original imported chip Adaptable Power Supply: DC 12 24V/5A or above (the higher the voltage, the higher the output power) Adaptive Speaker: 20 100W,4 8 Ohm Output Power: Left and right channel ≤50w Subwoofer ≤100W Protection Mechanism: Over-voltage, under-voltage, over-temperature, AC/DC detection, short-circuit protection Heatsink Size: 50*25*10(mm)Product Included:D900 Power Amplifier Board*1 Remote control*1 Power cord*1 DC cable*1 Note: Dry Battery No. 7*2 is not included in this product, buy them by yourself if you need them.Tips:Sufficient output power will only be available if the audio input is sufficient and the supply voltage/current is sufficient. The higher the power supply voltage, the higher the output power, the lower the speaker impedance, the higher the output power! Please make sure that the power of the power supply is greater than the actual working power of the amplifier!