ITEM NAME:TDA8932 Mono 35W digital amplifier module K3H7 TDA8932 Mono 35W digital amplifier module K3H7 Sound quality is very good With this module. Mono digital audio power amplifier chip. High performance and low power consumption. Applicable speaker impedance: 4/6/8 ohm (8 ohms is the best). Operating voltage: DC 10-30V SPECIFICATIONS: Recommended use Voltage 24V Output 2A Power supply Power: 35 W PCB Board Size: 45 x 31mm / 1.77 x 1.22 In Weight: 11g Color: as shown Package List:1 x Power board Amplifier Module 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.