Features 1.Precise cut and interface ensure perfect applicability, suitable for installation location and easy to install. 2.The product adopts high-quality materials, effectively avoiding corrosion and wear, durable to use. 3.Professional chip set provides excellent performance in the system. 4.Easy to operate, anti-aging and long service life, you can use with confidence. 5.The power amplifier board is of small size, high efficiency, high power, and low heat. specificationFeatures: _x000D_ 1. Precise cut and interface ensure perfect applicability, suitable for installation location and easy to install. _x000D_ 2. The product adopts high-quality materials, effectively avoiding corrosion and wear, durable to use. _x000D_ 3. Professional chip set provides excellent performance in the system. _x000D_ 4. Easy to operate, anti-aging and long service life, you can use with confidence. _x000D_ 5. The power amplifier board is of small size, high efficiency, high power, and low heat. _x000D_ _x000D_ _x000D_ : _x000D_ Item Type: Power Amplifier Board _x000D_ Product Model: HW-302B _x000D_ Chip: NE5532x3+TPA3116D2x2 _x000D_ Working Voltage: Recommended DC24V (range 12-26V) _x000D_ Output Power: 80Wx2+100Wx1(heavy bass) _x000D_ Sound Channel: 2.1 sound channel (left channel + right channel + heavy bass) _x000D_ Product Size: Approx. 10x8.5x3cm/3.9x3.3x1.2in _x000D_ _x000D_ _x000D_ Package List: _x000D_ 1 x Power Amplifier Board _x000D_ 1 x Other Accessories Kit PackageList