Gisen 1u 4 channel amplifier is manufactured by highly qualified and experienced staff using the advanced production technology. High-current power stability is provided by the product2.
People can be assured that the product has good dimensional stability no matter it is washed by hand, washing machines, or dry cleaned. It delivers different ranges of voice volume without sacrificing audio quality3.
All staff here exert the best effort to observe quality standards for this product. Low noise is caused during the working of the product4.
In order to ensure its compliance with industry set quality norms, the product has to be examined by our quality experts before delivery. Attention has been paid to the circuit layout for safe operation
、Low consumption power supply
、1U size 、
Excellent dynamic performance
、Complete protection circuit
|8 ohms Stereo Power |
4 ohms Stereo Power
2 ohms Stereo Power
| 2X650W |
| 2X1500W |
| 2X1800W |
| 2X2100W |
|Damping Factor||>1000 @ 8Ω|
|Frequency Response||20Hz-20kHz (±0.3dB)@1W, 8Ω |
|Input impedance||20k ohms balanced|
|volume adjustment||Electronic volume adjustment |
|Cooling||Variable speed fans, front to rear airflow|
|Net weight(kg) |
| 9.5 |
Production flow chart
1. Sheet Metal Processing
3. Circuit Board Debugging
6. Debugging of the whole machine
Gisen has become more and more people's choice when they need digital amplifier .2.
The factory has established a comprehensive management system. This system, requiring control over product planning, supplier management, and quality detection, guarantees systematic operation and standardized production procedures.3.
The mission of our company is to ensure that our customers are absolutely satisfied. We work hard to deliver solid value: from the initial quotation through final delivery, we provide good value and operate with honesty, integrity, and forthrightness. Get an offer!