A.       Introduction

LD-1504K is 500W/4ohm 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 : 500W/4ohm mono (or 300W/8ohm mono)

   * Easy for application

B.       Features:

1.  AC Input jumper selection 115V / 230V

2. Short circuit protection

3. Over current protection

4. Over voltage protection

5. Thermal protection

6. Digitalize amplifier with high current output device

7. RoHS compliant

C.      Specification

1. Output power ………… 500W /4ohm @ 1% TH or

   300W / 8ohm@1% THD

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

3. THD @ -3dB rated power ……………… < 0.05%

4. Input sensitivity ………………………………… @1.5V

5. Input Impedance………………………………… 22KΩ

6. Frequency response  20Hz ~ 20K Hz… +/- 1dB

7. Dimension: 152(L) x 83(W) x 41(H) mm