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Company Advantages
1. Gisen homemade sound amplifier goes through comprehensive testing to ensure quality. These tests cover workmanship, safety, stability, strength, impacts, drops, and so forth. Its cooling system made up of temperature-controlled fan can rapidly respond to dynamic environment change
2. This Gisen branded product will find a ready market overseas. The product can be applied to such scenarios as KTV, club, and conference
3. homemade sound amplifier makes the homemade audio amplifier more effective during the process of use.

ABOUT OUR PRODUCT

GISEN M-DSP Series is the digital amplifier with built-in DSP. Parameters can be adjusted by PC software. Its excellence shows in high efficiency and top class timbre. By adopting the full-bridge low consumption power supply, we can make it in small size and at the same time with strong dynamic. Besides, the module structure and electronic volume control both reflect their value in practical and commercial field. Applied to situations like performance, Venue, high-class Business entertainment club etc.

PRODUCT DETAILS

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M-DSP 2-Channel Top View

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M-DSP 2-Channel Rear Plate

SPECIFICATIONS

Mode	M20D-DSP	M30D-DSP	M40D-DSP	M50D-DSP	M60D-DSP
8 ohms Stereo Power 4 ohms Stereo Power 2 ohms Stereo Power	2X650W 2X1300W 2X1690W	2X900W 2X1800W 2X2340W	2X1300W 2X2600W 2X3380W	2X1500W 2X3000W -	2X1800W 2X3600W -
Hum& Noise	>112dB
Input connector	XLR Female
link connector	XLR Male
Input impedance	20k ohms balanced
Input Sensitivity	1.4V
Input CMRR	>80dB
Output connector	Speakon
Damping Factor	>1000 @ 8Ω
THD	<0.1%(20Hz-20kHz，1W)
Frequency Response	20Hz-20kHz (±0.3dB)@1W, 8Ω
volume adjustment	Electronic volume adjustment
Internet input connector	Controlling parameters by PC software
Internet output connector	Multiple amplifiers on-line control by connecting to the internet input of the next amplifier
Touch-screen	adjust the parameters by touching the screen
Cooling	Variable speed fans, front to rear airflow
Power Requirement	AC180V-240V (90V-120V), 50-60Hz
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. In order to become one of the most influential companies, Gisen has been committed to producing homemade audio amplifier with high quality.
2. We endeavor to do our part in our company. We take into account our social and environmental obligations to the local communities around our plant.

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Through quality inspection by third-party companies, each stage of production is monitored, so users can be sure that Gisen homemade sound amplifier is the most responsible bedding in the market.

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Gisen homemade sound amplifier is manufactured involving several stages. These stages include metal materials preparation, parts machining such as cams, shafts, and bearing, installations of fixtures&gauges, etc. This product has been exported to more than 60 countries

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Production of Gisen homemade audio amplifier involves the following main steps. It must be stamped, coated, painted, dried, and polished by adavanced machines. Since it is peroxide-free and fluoride-free, it is friendly to just about everyone's teeth

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Once the Gisen homemade sound amplifier production is completed, the quality assessment will be carried out. We will strictly check fiber strength, water shrinkage, colorfastness, weaving strength and other parameters. This product allows for non-invasive treatments

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Gisen homemade audio amplifier has ensured quality. It has been evaluated for raw materials and processes through a series of quality management inspection tests such as color shading and wash color fastness (friction test). Containing some abrasives, it works to scrub off surface stains

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Guangzhou Gisen Audio Equipment Factory established a complete cost management system, strictly controlled the cost of each production link of the product, and strived to increase the utilization rate of raw materials, reduce production waste, and reduce logistics costs, so that the produced homemade sound amplifier Other similar products have more advantages in quality and price.

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