brand new and high quality.
Features:
This is power amplifier board, the sensitivity of the input signal of 1.5V rms.
If your input signal voltage can'for t reach this value, recommend add preamp.
supply voltage is 65V, 58---70V , o not over 70V! positive and negative o not pick wrong
Recommended power supply 65V
Recommended 4-8 / 10-18inch speaker
Carefully check before electricity, the wiring is correct.
Specifications:
Power supply: for C power supply 58 --- 70V
The output power: 500W ( 65V power supply, 4 ohm load, istortion 10%)
Efficiency:> = 90%
SNR: 90dB
The total harmonic istortion:
380W ( 65 power 4 ohm speaker, istortion <0.1%)
280W ( 65 power 8 ohm speaker, istortion <0.1%)
Frequency : 20Hz-20KHz
Speaker: 4-8
Voltage Magnification: 36 times
Input sensitivity 1.5V (RMS)
Output short circuit protection: Yes
Output for C bias for protection speaker protection: Yes
Over-temperature protection: Yes, radiator FET temperature higher than 100 C, turn the output.
Metal and Plastic
Size: approx.100x46mm/3.94x1.81in
Color: As pictures shown
Quantity: 1 Pc
Note:
No retail package.
Please allow 0-1cm error ue to manual measurement. pls make sure you o not mind before you bid.
Due to the ifference between ifferent monitors, the picture may not reflect the actual color of the item. Thank you!
Package Includes:
1 Amplifier Board (other accessories emo in the picture is not included.)
No-delivery refund
