Sound quality is very good and it can drive 4-8 ohm speakers. It has sufficient high power output 100W. Features:Adopts high quality TDA7293 chip， features great sound， low noise， etc.Filtering uses 50V 2200uf large electrolytic capacitor.Mono digital audio power amplifier board.High power output and low power consumption.Applicable speaker impedance: 4-8 ohm(8 ohm is the best).Notice:Users must use transformer(3 wire， dual AC 12-32V) and add cooling fin!!Specifications:Channel Type: MonoLoad Type: 4-8 ohm SpeakerPower Supply: Dual AC 12-32VInput Impedance: 100KOutput Power: Max. 100WFrequency Range: 20Hz-20KHzConversion Rate: 15V / sPCB Board Size: 60 * 45 * 35mm / 2.36 * 1.81 * 1.4Weight: 48g / 1.69ozPackage List:1 * TDA7293 Single Channel Digital Amplifier Board"
