Audio Digital Subwoofer Amplifier Module For Stadium , Dancing Hall 

Stereo JSPA Series power professional amplifier with digital system 

Amplifier Description:

Total frequency distortion: 20Hz~20KHz≤0.1% 
Frequency response: 20Hz~20KHz±0.5dB 
Signal noise ratio: ≥100dB 
Intermodulation distortion: <0.1% 
Up speed: 45Vus (BTL-M0N0 90V/us) 
Input impedance: 10KΩ 
Input level: 0dB    

Working voltage: AC220V±5% 50Hz±2Hz

Specifications:

main summaries:

This series of products are specially designed power professional amplifiers used for engineering and touring show. Their unique design and light weight are suitable for professional and touring show. Good performance of its digital system, welcomed by the vast numbers of customers.

Application:

>  Stadium, dancing hall etc, 2U rack power amplifier for small show and meeting, especially suitable for touring show because of it's Hi-powers design and light weight.

Latest switch mode power and CLASS H power amplifier for high efficiency and low temperature and constant stability; >Perfect protection, e.g. short-circuit protection, DC protection, HF protection (secure the power amplifier and power supply);
>  Cooling fan with variable speed; >Built-in compression function to prevent the power amplifier from distortion of over input; >30Hz hi-pass filter, ground switch and floating ground switch; 
>  Stereo/mono/bridge switch, sensitivity switch for -3dB,0dB,+3dB; >Compact design and imported chip to guarantee the stable performance of the device under severe condition.

After-sale service:

1. Prompt delivery

2. Track the order until you get the goods

3. Choose the cheapest and safest shipping company

4. We will replace the broken parts with new parts in your next order