class D amplifier module 2*80W with power boardamplifier features:Working Voltage: Dual power supply AC 20VOutput Power: L and R channel 2*100WOutput impendence: 4~8ΩLow distortionWide power bandwidthOutput Pin Short-Circuit ProtectionThermal protection with parole circuitWorking efficiency: 90%Frequency: 20Hz to 50kHzMAX output current: 8AComponents use high quality partsPCB material is FR4, thickness 1.6MM, Cu thickness is 2OZThe dimension is 70mm*86mm
switch power suply board :specification:input:AC120-240Voutput::±22V 2.6AEfficiency:85%output power :100W ,MAX150Wshort -circuit protection without interferencesize: L110mm*W80mm*H36mm weight:0.2kg/pcs