TDA8954TH dual-chip class D digital power amplifier board audio amplifier board super power 420W*2.The power input must be a 3-tap transformer, and the output voltage must be measured before power on.It is strictly forbidden to connect to DC voltage, it is strictly forbidden to connect to the two-wire power supply, and it is strictly forbidden to connect the power cord with electricity. After all the wires are connected and confirmed, the power can be turned on, otherwise the chip will be burnt.Terminals for wiring, free of soldering and easy to use.Colour: as shownMaterial: ABSPackage Contents:1 * Amplifier board1 * WiringOnly the above package content, other products are not included.Note: Light 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.