User Manual

3Wminiaudiostereoamplifier(SKU:DFR0119)
Contents
1 Introduction
2 Specifications
3 ConnectionDiagram
4 Documents
Introduction
Thisisaministereoamplifier.Itisafullyfunctional,twochannelaudio
amplifier,comeswithelectricswitcher.
Specifications
PowerSupply:DC3.65.5V(DONOTapplyover5.5V,itdamagethechippresently)
Outputpower:3w+3w(4ohms)
Efficiency:>90%
Size:15.5*24mm
Weight:7g
ConnectionDiagram
(/wiki/index.php/File:DFR0119Connection.PNG)
SleepMode:
Whenthe"SW"PINislow(0V),itwillturnofftheamplifier'sbiascircuitry.andenterthesleepingmode. 
Whenthe"SW"valueishigh(5V),itwillentertheworkingmode.
Bydefault(withoutanythingconnectedtothisPIN)itwillbeHIGH/poweredonandinnormaloperation.Ifyoudon'tneedtoturnitof fmanually,youcanleavethis
pindisconnectedlikeinthewiringdiagrampicture.Thisfeatureisoptionalandwillallowyoubysoftwaretoturnitof f,toavoidnoiseorsavepower .Note,the
picturehasabatteryforpowerinput,butyoucanuseotherpowersupplyat5V .
(/wiki/index.php/File:DFR0119new.JPG)