direct digital amplifier ,homemade sound amplifier

High efficiency professional power amplifier

1U power amplifier with German DSP 2-channel

Home theatre digital power amplifier

1U class D 2-channel power amplifier

Product Information
Customer Reviews

Enterprise Strength

Gisen strives to provide professional services to meet customer demand and create great value for customers.

Company Advantages
1. Gisen homemade sound amplifier has to undergo a series of shaping and treating processes including compression molding, transfer molding, injection molding, and cryogenic deflashing.
2. This product emits very less heat when it has been used even for a long span of time. It is capable of saving approximately 98% of the energy used by traditional bulbs.
3. The product has an antibacterial property. It features fully coated under and over surfaces for reduced risk of bacteria growth.
4. Guangzhou Gisen Audio Equipment Factory keep well informed about direct digital amplifier technical developments, new application and new products in the field.

PRODUCT Features

Touch-screen DSP easy to operate 、

Can be controlled by computer software 、

Multiple functions are available, such as EQ, delay, limiter, etc.

Multiple amplifiers be linked 、

Full protection circuit design

Front Panel
1 -Screen
2 -Signal/limiter (green is signal indicator, red is limiter indicator)
3 -MUTE/PROTECT light
4 -Power light
5 -USB connector
6 -Control knob

Rear Panel
7 -Power Switch
8 -AC power cord
9 -Speakon output connector
10 -XLR input connector
11 -RS485 internet connector
12 -XLR linear output connector

PRODUCT DETAILS

DSP 4-Channel Top View

DSP 4-Channel Rear Plate

SPECIFICATIONS

Mode	DSP4.6	DSP4.9	DSP4.12	DSP4.15	DSP4.18	DSP4.21
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
Channel separation(Crosstalk)	>70dB(1kHz)
Damping Factor 1kHz,8ohms	>1000
Frequency Response	20Hz-34kHz(±0.3dB)@1W,8Ω
Input impedance	20KΩ
USB connector	controlling parameter 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	front-to-rear airflow, temperature controlled speed
Amplifier protection	short circuit, open circuit, direct voltage, high temperature, radio-frequency, ultralow frequency, current peak limiter.
Dimensions（HWL）	88X483X438mm
Carton Dimension(HWL)	155X600X550mm
Power Requirement	AC180V-240V(AC90V-120V),50-60Hz
Net weight(kg) Gross weight(kg)	13.5 16.5

Production flow chart

1. Sheet Metal Processing

2. Circuit Board Plug-in

3. Circuit Board Debugging

4. Circuit debugging

5. Product assembly

6. Debugging of the whole machine

7. Product Aging

Company Features
1. With the first-class level equipment, advanced R&D ability, high quality direct digital amplifier , Guangzhou Gisen Audio Equipment Factory plays a big role in this industry.
2. Guangzhou Gisen Audio Equipment Factory carrys on comprehensive quality management.
3. Guangzhou Gisen Audio Equipment Factory faithfully hopes to establish partnerships with customers around the world. Get more info! Guangzhou Gisen Audio Equipment Factory is endeavoring to make sure the quality of this service. Get more info!

Favorable rate

100%

Buyer impression