Features:

- High output power digital amplifier, mono channel.

- Great sound quality: use professional amplifier chip and audio components, less distortion.

- Easy heat dissipation: with a fan and a radiator for heat dissipation at the same time.

- Stable and reliable performance: with high frequency and low resistance capacitance, more reliable operation.

- Compact size, easy to install.

 

Specification:

- Power Supply: Dual DC Power Supply ±58 to±70V

- Rated Output Power: 500W(±65V power supply, 4 ohm load, distortion 10%)

- Efficiency: >90% 

- Signal Noise Ratio: 90dB

- Total Harmonic Distortion:

  380W(± 65 power 4 ohm speaker, distortion <0.1%)

  280W(± 65 power 8 ohm speaker, distortion <0.1%)

- Frequency Range: 20Hz-20KHz

- Speaker: 4-8Ω

- Voltage Magnification: 36 times

- Input Sensitivity: 1.5V(RMS)

- Output Short Circuit Protection: Yes

- Output DC Bias Protection(Speaker Protection): Yes

- Over-temperature Protection: Yes

- When radiator field effect transistor temperature is higher than 100℃, it will turn off the output!

- Item Size: 100x50x30mm / 3.93 * 1.96 * 1.18in

- Item Weight: approx. 100g

 

Package Included:

1 x Digital Amplifier Board

 Package: Normally we use the standard exporting packaging. We also can according to clients' request .

 Shipping : 

1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier  we are co-operating at present.

2. By Air: Delivery from the Shanghai airport to customers’ destination city air port.

3. By Sea: Delivery from the Shanghai sea port .

 

Q1. Can I have a sample order?

A: Yes, we welcome sample order to test and check quality.

 

Q2. What about the lead time?

A: Samples arrived often need 3-5 days.

 

Q3. Do you have any MOQ (minimum order quality)limit?

A: Low MOQ, 1pc for sample checking is available.

 

Q4. How do you ship the goods and how long does it take to arrive?

A: We often ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional.

 

Q5. How to proceed an order?

A: Initially, let us know your requirements or application. Besides, We quote according to your requirements or our suggestions. Thirdly, customers confirms the samples and places deposit for formal order. Finally, We arrange the production.

 

Q6. Is it acceptable to print my logo on the product?

A: Yes. Please inform us formally before our product and confirm the design firstly based on our sample.

 

Q7: Do you offer guarantee for the products?

A: Yes, we offer one-year warranty for our products.

 

Q8: How to deal with the flaw?

A: Our products are produced in strict quality control system and the percent of pass is often maintained over 99.8%