This is pure power amplifier board, the sensitivity of the input signal of 1.5V rms, if your input signal voltage can't reach this value,recommend add preamp.
Mono channel,for 2.0 channel need bid two.
Parameters:
1. Power supply: dual DC power supply ± 58 --- ± 70V
2. The rated output power: 500W (± 65V power supply, 4 ohm load, distortion 10%)
3. Efficiency:> = 90%
4. SNR: 90dB
5. The total harmonic distortion:
380W (± 65 power 4 ohm speaker, distortion <0.1%)
280W (± 65 power 8 ohm speaker, distortion <0.1%)
6. Frequency range: 20Hz-20KHz
7. Speaker: 4-8Ω
8. Voltage Magnification: 36 times
9. Input sensitivity 1.5V (RMS)
10. Output short circuit protection: Yes
11. That output DC bias protection speaker protection: Yes
12. Over-temperature protection: Yes, radiator FET temperature higher than 100 ° C, turn off the output!
13. Amplifier board size: length x width x height = 98x43x30mm
14. Weight: 95 g
Use precautions:
1. Rated supply voltage is ±65V, ±58---±70V range, do not over 70V! positive and negative do not pick wrong
2. Recommended power supply ±65V
3. Recommended 4-8Ω / 10-18inch speaker
4. Carefully check before electricity, ensure the wiring is correct.
Package Included:
1 x 500W Digital Amplifier Module
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Ple
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication
When you satisfied with our product and services please leave us positive feedback.
If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay.We will maill bakc within 24hours