High-power active speaker amplifier board, integrated heat dissipation, audiophile-grade capacitors, and advanced inductors Newly designed TPA32552.0 channel amplifier board, using the excellent TPA3255 amplifier chip, one channel can output up to 300W or 4 ohms, the power is quite strong, and the distortion is very low. Compact and reasonable circuit layout, stable and reliable quality, outstanding sound quality The amplifier chip is close to the panel for heat dissipation, and the heat dissipation area is large enough to long-term normal operation Supports high and low sound adjustment, XLR and input Model: TPA32552.0 channel active speaker amplifier board Output channel: 2.0 channel Amplifier chip: TPA3255 Input: , XLR Frequency response range: 20-20KHZ Supply voltage: DC24V-48V Output power: 300Wand300W or 4 Total harmonic distortion: 0.06percent Signal-to-noise ratio: 108dB (The product appearance and printed words depending on the batch, but this does not affect use) Color: As Shown Material: PCB Package Contents: 1 x 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.