Product name: 600W pure subwoofer amplifier boardProduct model: 6001Adapted power supply: The working voltage range is 1850VDC. It is recommended to use a DC power supplywith a voltage of 3648V and a current of 10A or above. AC power not supported!Maximum power: 300W@48V , 4 , 600W@48V 2, the higher the voltage, the smaller the horn resistance, and the greater the output powerInput : Stereoscopic input, XH2.543P interface, comes with XH2.543P dual shielded wire as a giftNumber of channels: 1Power amplifier chip: TPA3255Protection mechanism: Input undervoltage, overheating, overcurrent, short circuit protection. No input antireverse connection protection, positive and negative poles cannot be reversed!Product size: 144x65x37mmNote:1. Power supply and audio cable are not included in the delivery.2. The input does not support AC power, please use DC power!3. The input power cannot be reversed or exceed 51V, otherwise it will burn out!Colour:BlackMaterial:Metal Plastictype:A:Potentiometer externalPackage Contents:1 x 600W pure subwoofer amplifier boardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.