Features:<br>1.This product is a mini size built-in TPA3116D2 chip with the power of 2*50W channel digital power amplifier board. <br>2.Using TPA3116D2 chip.<br>3.Voltage is 12-24V.<br>4.With the power of 2*50W channel.<br><br>Specifications:<br>Color:Blue<br>Chip:TPA3116D2<br>Supply voltage:DC12-24V<br>Output power:420W*2 Vocal tract number<br>Vocal tract number:2(Left+Right channel)<br>Item size:37x 26x15mm<br>Item weight:11g<br><br>Package information:<br>Size:60x30x15mm/2.36x1.18x0.59in<br>Weight:11g/0.39oz<br>Polybag Package<br><br>Package included:<br>1 * TPA3116D2 Power Amplifier Board