Features 1、This product has complete functions and high performance, especially suitable for high power HIFI music amplifiers. 2、This audio amplifier module has very high index parameters, the maximum modulation frequency is 1.2MHZ, and the distortion is less than 0.1%. 3、Red gray ring inductor +684 film capacitor, with low loss, high bandwidth, HiFi and other characteristics. 4、Support AUX and bluetooth audio input and potentiometer to adjust the volume, easy to use. 5、Adopt copper DC female head and shed fence terminal, bear high current, no heat, no damage to the circuit, good wiring, and no short circuit. 6、Using 5.0 bluetooth version, it has higher transmission efficiency and longer transmission distance. Specification Item Type: Audio Amplifier Board Material: PCB Model: ZK-1002 Chip: TPA3116D2 (With AM Interference Suppression Function) With Or Without Filter: LC Filter (The Sound Is Smoother And Clearer After Filtering) Adapted Speakers: 50W~300W, 4Ω-8Ω Number Of Channels: Left And Right Dual Channels (Stereo) Bluetooth Version: 5.0 Bluetooth Transmission Distance: 15 Meters (Unobstructed) Protection Mechanism: Overvoltage, Undervoltage, Overheating, DC Detection, Short Circuit Protection 12V 8 Ohm Speaker/24W (Left Channel) + 24W (Right Channel) 4 Ohm Speaker/40W+ 40W 15V 8 Ω/36W + 36w, 4 Ω/More Than 60W +60W 9V 8 Ω/64W + 64w, 4 Ω/More Than 92W+92W 24V 8 Ω/76W + 76w, 4 Ω/More Than 110W +110W Package List 1 x Power Amplifier Board Module 2 x Acrylic Board 1 x Knob 1 x Washer 1 x Nut 9 x Screw 4 x Brass Connecting Rod 1 x Screwdriver 1 x Cable