ITEM NAME:TPA3116D2 2 * 50W high-end digital amplifier board DC24V TPA3116D2 dual-cha L5N3 TPA3116D2 2 * 50W high-end digital amplifier board DC24V TPA3116D2 dual-cha L5N3 Product Name: Digital Amplifier Board Chip model:TPA3116D2 Audio type: Class D audio amplifier board Input voltage: DC 5-24V Operating frequency: 20Hz-20Hz Material: Metal color:red Output Type: Dual Channel; Stereo Size: 84 * 51 * 29mm Package include: 1x Digital 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.