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Application Scope

Gisen's best stereo amplifier can be used in different fields.Gisen insists on providing customers with one-stop and complete solution from the customer's perspective.

Company Advantages
1. No other similar sound digital amplifier has been able to equal its high power class d amplifier .
2. The buildup of heat and moisture can contribute to “tossing and turning” as the body seeks to alleviate the issue. And this product can solve this problem.
3. It is characterized by good mechanical sealing performance. It is required to check the sealing capability thoroughly and has to pass the static pressure test to guarantee no leakage problem.
4. Owing to our strict QC management system, all of sound digital amplifier is of good quality.

ABOUT OUR PRODUCT

Each channel’s output voltage can be adjusted、 Economic 、 Can be applied to various occasions、 Both small power and high power are available、 Designed by our experienced engineer

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1 -Gain Controll
2 -Signal Display
3 -Clip Display
4 -Mute(protetion) Display
5 -Power Display
6 -Power Switch
7 -Power cord connector

8 -Serial number label
9 -Output power reference
10 -Speakon output connectors
11 -XLR-F input connectors
12 -Output voltage selecting
13 -Input Sensitivity Selecting
14 -Signal Connect Selecting
15 -XLR-M link connectors

PRODUCT DETAILS

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D 4-Channel Top View

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D 4-Channel Rear Plate

SPECIFICATIONS

Mode	D406	D409	D212	D415	D418	D421
8Ω Stereo Power 4Ω Stereo Power 2Ω Stereo Power	4X600W 4X1200W 4X1560W	4X900W 4X1800W 4X2340W	4X1300W 4X2600W 4X3380W	4X1500W 4X3000W -	4X1800W 4X3600W	4X2100W 4X4200W
Hum& Noise	>112dB
Input connector	XLR Female
link connector	XLR Male
Input impedance	20k ohms balanced
Input Sensitivity	0.77V，1.44V
Input CMRR	>80dB
Output connector	Speakon
Damping Factor	>1000 @ 8Ω
THD	<0.1%(20Hz-20kHz，1W)
Frequency Response	20Hz-20kHz (±0.3dB)@1W, 8Ω
Level control	Front level meter, from negative infinity to 0dB
Cooling	Variable speed fans, front to rear airflow
Power Requirement	AC180V-240V(90V-120V),50-60Hz
Dimensions（HWL）	88mmX483mmX438mm
Carton Dimension(HWL)	150mmX600mm×550mm
Net weight(kg) Gross weight(kg)	12.9 16

Production flow chart

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1. Sheet Metal Processing

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2. Circuit Board Plug-in

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3. Circuit Board Debugging

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4. Circuit debugging

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5. Product assembly

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6. Debugging of the whole machine

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7. Product Aging

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Company Features
1. Guangzhou Gisen Audio Equipment Factory has attained a high industry reputation for its sound digital amplifier with its superior brand.
2. With the unique technology and stable quality, our class d digital amplifier win a wider and wider market gradually.
3. Since the company has expanded to a larger scale, it dedicates to the community and society development by improving the living standard in where customers and employees live and work. Contact! The goal of Guangzhou Gisen Audio Equipment Factory is to introduce high power class d amplifier into the international market.

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Guangzhou Gisen Audio Equipment Factory has many years of production experience, exquisite production technology, strong production strength, and can produce high-quality class d digital amplifier.

o******t

We not only have an independent production workshop, advanced production equipment, professional production personnel and multiple automated production lines, but also have established a set of scientific and rigorous quality control system to ensure that the high power class d amplifier produced are of high quality.

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. This product has the characteristics of simple operation, low material consumption, non-toxicity and more reasonable cost performance.

u******q

Guangzhou Gisen Audio Equipment Factory Actively study and introduce world-class management theories, establish a comprehensive quality management system, and implement the concept of product quality control throughout the entire process of product design, production, inspection, and use, and carry out quality control with full participation, It is better to ensure that the high power class d amplifier produced is always of consistent quality and excellent quality.

s******q

The company attaches great importance to product quality and strives for excellence in all aspects of production. The high power class d amplifier produced are exquisite in workmanship, excellent in quality and strong in practicability.

z******s

sound digital amplifier has remarkable performance.

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