Wzxksoac 2X for SanKen1494/3858 HIFI Audio Amplifier Board 450W+450W Stereo AMP Mono 800W High Power Amplifier Board for Sound

2. The parameters of the power amplifier board have been rigorously tested. The two channels can only be sounded by following the wiring diagram below. The user does not need to do any debugging. The board includes its own filter rectifier and heat sink. You just need to plug it in. The power transformer and front stage are all there! 3. Eight SANKEN chips, high-fidelity sound quality of enthusiast-grade materials, whether it is the concert or the original movie sound is clearly restored. 1. The power amplifier board includes a thicker volume of the heat sink at the base of the old model. It adopts circuit design, high power, good sound quality, and minimal distortion! 4. With the right combination, the sound quality of this amplifier is almost equal to thousands of professional amplifiers.