Parameter: Chip: TPA3110Condition: XH-A232Application: Computersupply Voltage: DC8V-26vdissipation POWER: 30W+30WSIZE: 53*45*14mmchannels: 2 (2.0) Output Impedance: 4-8hm noise ratio: 100dbweight: 21gbuild your Own Music System with Dual 30W of Stereo Output. TPA3110 XH-A232 Dual Channel Digital Power Amplifier Board is a Newly Designed Digital Audio Amplifier Board with Fine Quality That is Practical to Install and Use and Also Haso Good Performance. It features a high-efficientcy class d audio power amplifier with the latest and original TPA3110 Core Technology the Btl Bridge Circuit is more Efficiant Than Before.This Product Uses the Double Power. With a dynamic POWER SUPPLY Range from 12V to 24V With High Efficiency Small Quiescent Current. Additionally, it is equipped with Perfect Protection Functions Like Overvoltage Protection and Output Current Limit.Features: The Strong TPA3110 CHIP Is A Digital Power Amplifier Chip, With Low Idle Loss Characteristics, Which Makes. It work well and quickly.Onboard, front-Facing IC To Improve the Input Sensitivity, and High-Definition Sound Quality. and Excellent Sound Quality .There is no SOLDER JOINT ON THE BACK OF THE Circuit Board, The Chip Capacitors, and the Solder Board Together, so there is no possibility of a short circuit.