Features: <br>1.Adopt quality electronic components, good performance. <br>2.Quality power amplifier chip, DC single power supply 8-25V working voltage, 50W (left channel) and 50W (right channel), two of channel output. <br>3.Can use switching power supply, laptop switching power supply, battery or car power supply, etc. <br>4.Adopt NE5532 front-facing OPAMP to buffer, better than normal amplifier. <br>5.With 5.5mm power interface. 100W mono subwoofer, outstanding effect. <br> <br>Specifications: <br> <br>Material: ABS <br>Color: As picture shown <br>PCB size(length*width): Approx. 78*60mm/3.1*2.4in <br>Power range: 8V - 25V <br>Power interface: 5.5mm power jack <br>Single channel output: 100W <br>Dual channel output: 50W (left channel) + 50W (right channel) <br> <br>Packing List: <br>1*Module <br>1*Paster <br>1*Screw <br>1*Cap1、Adopt quality electronic components, good performance. <br>2、Quality power amplifier chip, DC single power supply 8-25V working voltage, 50W (left channel) and 50W (right channel), two of channel output. <br>3、Can use switching power supply, laptop switching power supply, battery or car power supply, etc. <br>4、Adopt NE5532 front-facing OPAMP to buffer, better than normal amplifier. <br>5、With 5.5mm power interface. 100W mono subwoofer, outstanding effect.