ZK-AS21P 2.1 Channel 350WX2+600W TPA3255 Bluetooth Digital Power Amplifier Board Module

Working voltage range: 18-50VDC, limit 53V. It is recommended to use a DC power supply with a voltage of 36-48V and a current of 12A or above.

Maximum power: Left or right channel -—— 300W@50V , 4 Ω; 160W@50V 8 Ω subwoofer—— 600W@50V 2 Ω; 300W@50V , 4 Ω; 160W@50V , 8 Ω; In short, the higher the voltage, the smaller the resistance, and the greater the output power

Bluetooth chip: Jerry 5.1, transmission distance 15 meters

Input method: Bluetooth+AUX+USB drive/sound card

Number of channels: 2.1, left and right channels+subwoofer

Power amplifier chip: two original TPA3255

Protection mechanism: Input undervoltage, overheating, overcurrent, short circuit protection. No input anti reverse protection, positive and negative poles cannot be reversed!