High-power active speaker amplifier board, integrated heat dissipation, audiophile-grade capacitors, and advanced inductors Newly designed dual TPA32212.1-channel amplifier board, suitable for home 2.1-channel system Dual-chip design, one chip is responsible for driving the subwoofer, with a maximum power of 200W/2 ohms, and one chip is responsible for the left and right channel satellite speakers, with a power of up to 100W*2/4 ohms Built-in QCC3084 Bluetooth module plus PCM5102A decoding, supports Bluetooth 5.4 protocol and LDAC lossless transmission, with a maximum sampling rate of 96K Professional active subwoofer amplifier board structure, compact size, convenient for direct installation on the subwoofer box Model: Dual TPA3221 2.1 channel active speaker amplifier board Output channel: 2.1 channel Amplifier chip: TPA3221 * 2 Frequency response range: 20-20KHZ, subwoofer low pass adjustable range 40Hz-200Hz Power supply: DC24V-32V Output power: 100W * 2+200W Total harmonic distortion: 0.1% (The product appearance and printed words depending on the batch, but this does not affect use) Color: As Shown Material: PCB Package Contents: 1 * 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.