Smart Electronics ZK-AS21P Ble Digital Amplifier Board 2.1 Channel 300W+300W+600W 1200W Subwoofer TPA3255

Product Model

ZK-AS21P

Adapted Power Supply

The working voltage range is 18-50VDC, with a limit of 53V. It is recommended to use a DC power supply with a voltage of 3648V and a current of 12A or above.

Maximum Power

Left or Right Channel - 300W@50V , 4O 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 of 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!

Product Size

External potentiometer: 131.5x120x40mm 

Product Weight

External potentiometer: net weight 453g, including packaging 572g