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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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The quality of Gisen homemade sound amplifier is constantly monitored by using advanced measuring equipment such as a wide range of height, bore, and other gaging equipment, and hardness tester equipment. Its humanized design makes users feel comfortable to grip

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The quality of Gisen homemade sound amplifier is guaranteed through all the production stages by the QC team, so as to meet the international mechanical seal standards. The product is fingerprint resistant, allowing phones to look clean and brand new

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Gisen homemade audio amplifier is tested by adopting the highest quality rubber testing equipment. The rubber fatigue testing equipment and material testing equipment have been used. The product provides extra protection for the lens of the camera

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During production, Gisen homemade sound amplifier is strictly inspected. Defects have been carefully checked for poor lasting, incomplete bonding, and stitching errors. Handled with a unique coating, it inhibits the growth of bacteria, mold, and mildew

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Gisen homemade audio amplifier is developed by the R&D team who have spent years investigating water improvement. The team creates this product with the purpose of reducing or removing all contaminants that are present in the water. It provides a reduction of reflection as light passes through the phone

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The product can remove viruses and bacteria that filters cannot remove by adding some chemical agents such as nanosilver antibacterial powder. The product has an advantage of heat dissipation

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