Item Type: Power Amplifier Board <br>Condition: 100% brand new <br>Material: PCB <br>Input Voltage: DC 12-30V <br>Audio Input: Support memory card /Bluetooth/AUX <br>Output Impedance: 4-8Ω <br>Number of Sound Channels: Double channels <br>Output Power: Maximum 100Wx2 <br>Product Size: Approx. 92x85x18mm/3.6x3.3x0.7in <br>Installation Size: Approx. 85.5x78.5mm/3.4x3.1in, aperture about 3mm/0.12in1、Support dual sound channel, input voltage of DC12-30V, stable performance. <br>2、Independent volume adjustment and mode switch, convenient and easy to use. <br>3、It supports memory card/Bluetooth/AUX audio input, output power of 100Wx2. <br>4、Aluminum alloy heat sink for efficient heat dissipation, better using experience. <br>5、Reliable to use, long service life, not easy to damage, and you can use for a long time.<div>1 x Power Amplifier Board</div><div>4 x Nuts</div>