【COD】TPA3221 Amplifier 2.1 CH Bluetooth Hifi Stereo Class D 100W + 100W + 200W ZK-ST21 - ZK-ST21

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Product parameters
Brand: Wuzhi Audio Original
Product name: 2.1 channel BT amplifier board 100W+100W+200W
Product model 1 : ZK-ST21 Plus Cover Potensio onboard
Product model 2 : ZK-ST21P Tanpa cover Potensio pakai kabel
Adapted power supply : The working voltage range is 12-30VDC,
and it is recommended to use a DC power supply with a voltage of 24V-28V and a current of 10A or above.
Maximum power:
Left channel or right channel 105W@30V , 4O; 55W@30V , 8O.
Subwoofer 208W@30V2O; 105W@30V , 4O.
In short, the higher the voltage, the smaller the resistance, and the greater the output power.
Adapted speakers:
Left and right channels, supporting 3-8 ohms and speakers up to 100W;
The subwoofer supports 2-8 ohms and speakers up to 200W.
BT chip: JieLi 5.1, transmission distance of 15 meters.
Input method: BT+AUX+USB drive+ sound card.
Number of channels: 2.1, Left channel+ right channel+ subwoofer
Power amplifier chip: Two TI original TPA3221
Protection mechanism:
Input undervoltage, input anti reverse connection, overheating, overcurrent, short circuit protection.