new model sound amplifier 4 channel manufacturer for performance

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Company Advantages
1. All of the materials used in Gisen sound amplifier are required to meet relevant demands. The hardware or mechanical components will be tested for mechanical properties and chemical composition. The anti-dust design of the product prevents it from attracting small articles
2. Since its establishment, Gisen has won the recognition of sound amplifier . The temperature control system can adjust the output power according to the changes of temperature
3. The product has a longer life, premium quality, and durability. Its control knob comes with easy adjustment
4. This product has reliable quality and stable performance. Low noise is caused during the working of the product
5. This product is ensured by a relatively complete quality guarantee system. Its surface is well processed by a layer of paint to resist rust

Features

Patented product 、High efficiency 、Low consumption power supply 、1U size 、 Excellent dynamic performance 、Complete protection circuit

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PRODUCT DETAILS

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M Two-Channel Top View

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M Two-Channel Rear Plate

SPECIFICATIONS

Mode	M20D	M30D	M50D	M60D	M70D
8 ohms Stereo Power 4 ohms Stereo Power 2 ohms Stereo Power	2X650W 2X1300W 2X1690W	2X900W 2X1800W 2X2340W	2X1500W 2X3000W -	2X1800W 2X3600W -	2X2100W 2X4200W -
Hum& Noise	>112dB
Damping Factor	>1000 @ 8Ω
Input Sensitivity	0.77V
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
Dimensions（HWL）	47mmX483mmX448mm
Carton Dimension(HWL)	100mmX640mmX590mm
Net weight(kg) Gross weight(kg)	9.5 11.5

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. After many years of solid development, Guangzhou Gisen Audio Equipment Factory mainly focus on R&D, designing, producing, and marketing of 1u rack mount amplifier . The standard nature of these processes permits us to fabricate 4 channel digital amplifier .
2. The quality of our sound amplifier still keeps unsurpassed in China.
3. Whenever there is any problems for our 4 channel amplifier , you can feel free to ask our professional technician for help. The service team at Gisen Audio Equipment will respond to any questions you have in a timely, effective and responsible manner. Get price!

p******u

The design of Gisen 4 channel amplifier is carried out under considerations of various factors. It considers the shape, structure, function, dimension, color mix, materials, and space planning and construction. The quality is reliable and the service life is long

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The manufacture of Gisen 4 channel digital amplifier includes three major stages, namely, rough machining, semi-finish machining, and finish machining. All of these stages are carried out by professional mechanical technicians. The production is supported by professional engineers

j******c

Gisen 1u rack mount amplifier has a very fine surface. The surface treatment is carried out in strict accordance with the highest international packaging and printing standards. It is aimed at more than 60 countries and regions for exports

p******e

Gisen sound amplifier complies with the requirements of safety standards. These standards are related to structural integrity, contaminants, sharp points&edges, small parts, mandatory tracking, and warning labels. It is easy to operate, with fast speed

a******u

In the production, Gisen 4 channel digital amplifier will go through a series of tests. The dyeing fastness, dimensional stability, appearance after washing and yarn quality will be tested. It is well recognized by more than 5000 customers

n******b

It has been marketed successfully for 12 years, thanks to the excellence in quality and technology The value of sound amplifier are recognized by most industry insider.

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