Features: The capacity and quantity of large capacitors on both sides are sufficient, and the filtering effect is more perfect, which is an important means to improve efficiency. Aluminum alloy cap shock absorbing knob, superior flame retardant performance, safe and environmentally friendly, fully compatible with surface mount technology. 1.6mm double-layer high-density fiberglass circuit board, the edge will not be layered and raised when used for a long time, and the service life is long. Metallized polyester film capacitors have pulse strength, high reliability and good self-healing properties. The heat sink has high heat dissipation efficiency, the buckle is fixed, and the installation and disassembly are flexible. XH-M546 digital power amplifier board, suitable for HiFi series. Specification: Material: Metal Input Voltage: 12V-24 V Current: ＞3A Channel: Dual Channel AMP IC: TPA3116D2 Output Power: 150Wx2 Category: Class D Size: Approx. 125x88x18mm/49.21x34.65x7.09inch Power Ratio: 90% Package List: 1 x Power Amplifier Board 1、The capacity and quantity of large capacitors on both sides are sufficient, and the filtering effect is more perfect, which is an important means to improve efficiency. 2、Aluminum alloy cap shock absorbing knob, superior flame retardant performance, safe and environmentally friendly, fully compatible with surface mount technology. 3、1.6mm double-layer high-density fiberglass circuit board, the edge will not be layered and raised when used for a long time, and the service life is long. 4、Metallized polyester film capacitors have pulse strength, high reliability and good self-healing properties. 5、The heat sink has high heat dissipation efficiency, the buckle is fixed, and the installation and disassembly are flexible.