500W  +/-30V amplifier switching power supply board dual-voltage PSU 


input voltageAC100-120V/200-220V 

Output Power 500VA

output voltage  ：+/- 30VDC (we have following several kinds for choose)  


+/- 35VDC,

+/- 37VDC

+/- 40VDC,

+/- 45VDC,

+/- 50VDC,
+/- 55VDC,

+/- 60VDC,

+/- 65VDC,



All auxiliary voltage: +/- 15V, 1A (shared GND with the main voltage)

+ 12V, 0.5A (separate ground wire);



Dimensions: 100 * 133 * 50mm


Transformers 0.1mm * 100 multi-strand oxygen-free enameled wire, heat is very low, efficiency is more than 90%.

All high-frequency low-impedance electrolytic capacitors specifications, low ripple.

Instantaneous output current can reach 5-10 times the normal current, very suitable for high-power amplifier