ITEM NAME:DC 12V-24V TPA3116 Mono Channel Digital Power Audio Amplifier Board BTL Out G3K3 DC 12V-24V TPA3116 Mono Channel Digital Power Audio Amplifier Board BTL Out G3K3 Small size design, BTL output, the maximum output power 100w, can drive 2 ohm speakers, be balanced (differential) input, external heat sink chip work more stable. Signal input mode can be selected according to the following two needs: Balanced input signal (differential): Signal + Signal -, GND (ground). Unbalanced inputs (single-ended): - end and GND (ground) short circuit, the signal input from the + terminal. 3300 / 25V filter capacitor Board size: 75mm * 50mm/2.95*1.97 inch Board overall height: 25mm/0.98 inch Operating Voltage: DC 12v-24v Maximum output power: 100w (2 ohm speakers connected) material:plastic colour:red Package Contents:1x Amplifier Board Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.