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-ST21 Bluetooth Digital Amplifier Board 2.1 Channel 100Wx2+200W Subwoofer Chip TPA3221 HiFi Stereo Amplifier Board(C)

<ul><li>1. Adopting high-power digital power amplifier dedicated inductors, high current, low magnetic loss, low heat generation, and using oxygen free copper wires to improve sound quality; The magnetic shielding mechanism is to electromagnetic interference.</li><li>3. Equipped with protection mechanism, input undervoltage, input anti reverse connection, overheating, overcurrent, and short circuit</li><li>2. TPA3221+TPA3221, lossless transmission, lossless decoding, no loss, perfectly displaying the dynamics and details of sound, without burrs at high frequencies, rounded at mid tones, powerful at low frequencies, and good elasticity.</li></ul>

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Product name: 2.1 channel BT amplifier board 100W+100W+200W Product model: -ST21 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 Maximum power: Left or right channel - 105W@30V, 4ohm; 55W@30V , 8ohm. Subwoofer - 208W@30V 2ohm; 105W@30V, 4ohm. 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: 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 TPA3221 Protection mechanism: Input undervoltage, input anti reverse connection, overheating, overcurrent, short circuit protection. Type:C:with wire Colour:Black Material:Plastic Size:121x100x25mm Package Contents: 1 * 2.1 channel BT amplifier board Only 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 +/- 1-3cm.

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