A. Introduction                                                      

HD-276K are digital power amplifier module and with switching power supply design.

Advantages as bellows:

*        Class-D and switching power Design for high efficiency, high stability & lighter weight.

*        Output power : 20W~50W x 2CH (4ohm or 8ohm)

*       Easy for application

B. Application                                                      

1.          Active speakers

2.          Musical instruments amplifiers

3.          Combo Amplifier

4.          Powered professional speakers

5.          Monitor speaker

C. Features                                                        

1.           Universal AC Input voltage: 90V ~ 260V

2.           Short circuit protection

3.           Over-current protection

4.           Thermal protection

5.           RoHS compliant

D. Specification                                                     

1.           Output power ref. to1%……………………... 20W~50W / 8ohm(or 4ohm) x2CH

2.           S/N Ratio @ rated power …………………………………… > 100 dB/ A-Weighted

3.           THD @ -3dB rated power ………………………………………..…...……... < 0.1%

4.           Input sensitivity …………………………………………..……………………... 1 Volt

5.           Input Impedance ……………………..………………………………...……... 22KΩ

6.           Frequency response  20Hz ~ 20K Hz ……………………...…………….. +/- 1.5dB

7.           Crosstalk @1KHz..........................................................................................80dB

8.           Dimension: 105(L) x 85(W) x 41(H) mm