Guangzhou Dolsi Audio Equipment Co., Ltd.

Power Amplifier, Digital Power Amplifier, PRO Audio manufacturer / supplier in China, offering Four Channel Digital Professional Power Amplifier, Stable 2 Ohm Digital Power Amplifier, 2 Ohm PRO. Audio DJ Equipment Digital Power Amplifier and so on.

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Four Channel Digital Professional Power Amplifier

FOB Price:US $1 - 245 / Piece
Min. Order (Pieces) FOB Price
1+ US $1-245 / Piece
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Min. Order: 1 Piece
Port: Guangzhou, China
Production Capacity: 2000 Piece Per Month
Payment Terms: L/C, T/T

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Basic Info.

Model NO.:M4800 blue
Operation Mode:Knob Control
Certification:CE, RoHS, CCC, CB
Price:Please Contact Us for Prices.
OEM Order:Acceptable
DSP Built-in:Available, Pls Contact Dolsi for Price with DSP
Height:1 Unit ( 44mm)
Color:Black or Blue Front Panel
Trademark:DOLSI or client′s logo
Transport Package:1PC/Polybag with Inner Protection Then in Carton
Specification:CE, RoHS and CB certification
Origin:Guangzhou, China
HS Code:851840009

Product Description

1 Unit 4 Channel Class D Digital Power Amplifier M4800 
Blue panel 

Four Channel Digital Professional Power Amplifier


Model No.M 4800
Channel number4 input, 4 output
Output power300Wx4 
Output power500Wx4
Bridge output power1000Wx2
Distortion ( 1kHZ,=10dB/4 Ohms)<0.2%
S/N Ratio (20Hz-20Khz,4 Ohms)>112dBA
Cross Talk (1kHZ, 4 Ohms)>70dB
Frenquency response10Hz to 20k Hz,+/-1dB
Input Impedanace balanced 20K/ non-balanced 10K
Damping factor(10-400Hz,8Ohms)>300 
Output categoryClass D
Protectionshort circuit , direct current, overload, low voltage
Control KnobsPower on/off switch in front panel, gain control in front panel, Mono and bridge selection on rear panel
Led lightsClip/-10dB/signal/Mono/bridge/Status/Active/Protect indication light on front panel 
Power delay4 seconds
Input connectorXLR input socket
Output connectorSPEAKON connector
Size (WxHxD)483x44x350mm
Net Weight6.30kg
Packing size560x120x470mm

Four Channel Digital Professional Power Amplifier

 Product Features:

.  Unique front panel design. Both blue and black color are available.
.  Carefully selected high quality components. The complete machine is with CCC, CB and CE 
.  Compact structure and light weight
.  Class D Toplogy integrated with switch power supply design
.  Powerful output and high efficiency
.  Low electricity consumption
.  Accurate gain control, switch on/off, signal, clipping and protection LED light  in front panel
.  Fully automatic protection circuit for each channel, including direct current protection, thermal protection, over-load protection and amplitude limit.
.  Nice Cooling system. 
.  XLR balance input and professional SPEAKON output
.  Stereo or bridge mode selection pull switch is set on back panel.
.  1U height

Four Channel Digital Professional Power Amplifier

Product packing: 

Each piece packed in polyfoam protections before packed into a paper carton.  Or packed as per client's request.


Good Service to you:

1.  Manufacturing with Dolsi brand.

2.  Manufacturing with your brand ( OEM).

3.  Manufacturing with your design, your specification and your brand ( ODM). 

4. Closely following up, fluent communication, quick feedback and action to any of your query or request for sampling, order,  production,shipment, documents and after-sales service.  

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Guangzhou Dolsi Audio Equipment Co., Ltd.

- Guangdong, China
- Manufacturer/Factory & Trading Company

Gold Member Since 2016
Audited Supplier
  • Sample Available
  • OEM/ODM Service