Gold Member Since 2017
Audited Supplier
Guangzhou Jusbe Electronic Technology Co., Ltd.

4 Channel Amplifier, Speaker Amplifier, Sound System Amplifier manufacturer / supplier in China, offering 4 Channel Professional Audio Sound System Speaker Power Amplifier, Itv-722 Professional Condenser Recording Microphone, Gp Series 80W-2000W IP Network Power Amplifier for Broadcasting and so on.

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4 Channel Professional Audio Sound System Speaker Power Amplifier

FOB Price: US $195-215 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $195-215/ Piece
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Port: Huangpu, China
Production Capacity: 50000PCS/Month
Payment Terms: T/T, D/P, Paypal, Money Gram

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Basic Info
  • Model NO.: KA-250
  • Usage: Hi-Fi, KTV System, Stage
  • Tube Type: Transistor Amplifier
  • Sound Channel: 4.0
  • Voltage: AC 220V
  • Conductive Mode: H
  • 4ohm Stereo Power: 300W*4
  • Thd: <0.05%
  • Impedance Coefficient: 200@8ohm
  • Net Weight: 15kg
  • Transport Package: Amplifier Will Be One PC in One Carton with Foam
  • Origin: Guangzhou, China
  • Type: Professional Amplifier
  • Used For: Professional
  • Function: Amplifier Combined
  • Output Number: 4
  • Element Number: Push-Pull Amplifier
  • 8ohm Stereo Power: 200W*4
  • Frequency Response: 20Hz-20kHz/ +0/ -0.5dB
  • Snr: >110dB
  • Power Supply: AC220V±10%50Hz
  • Trademark: Jusbe
  • Specification: 298*483*88mm
  • HS Code: 8518220000
Product Description

4 Channel Professional Audio Sound System Speaker Power Amplifier

Product Description
Product NameProfessional 8 channel stage pwoer amplifier dj audio harga power amplifier
Item No.KA-250KA-700 KA-800
8Ω Stereo Power:200w*4200w*6120w*8
4Ω Stereo Power300w*4350w*6200w*8
Cooling Methodwind cooling
THD <0.05%@8Ω1KHz
Circuit Power Amplifier H class AB class
Impedance Coeffient>1500@63Hz                  
Frequency Response 20Hz-20KHz/ +0/ -0.5dB20Hz-20KHz/ +0/ -0.3dB
Input Sensitivity0.775V
ProtectionPeak limit; overload; DC; short circuit; overheating; SS  
ControlFront panel: power switch/ channel1&channel 2 volume control
Back panel: pattern/ Sensitivity/ earthing switch
Peak limit; overload; DC; short circuit; overheating;
Main Fuse 10A 
Power Supply220V/50Hz
Color Black
Product Size(mm/set)482*420*88483*298*89420*600*88
Net Weight15KG24KG16.7KG
Main features:
★ Using H professional amplifier circuit, high efficiency, stable and reliable performance;
★Radiator electric floating, leaving the traditional insulation cushion heat transfer barrier;
★When the system temperature exceeds 80 ° C, the "peak factor (CF) limit control" system is started, the CF limit is raised steadily, the average output power will decrease slightly, but the peak output power will remain, the motion will not be damaged, Cold field "and other abnormal circumstances of the probability;
★Can be achieved power and weight, power and volume ratio of the limit, super lightweight design, smaller, lighter weight; super
★load capacity, ultra-low noise; power supply voltage exceeds 242 volts output protection;
★Professional zero thermal barrier thermal solution; built-in DC output protection, reduce distortion;
★XLR full balanced input, reduced noise, with XLR balanced output socket, multiple amplifiers can be used in parallel at the same time;
★Suitable for multi-functional meeting room \ small studio

The main technical parameters:
8Ω Power: 200W × 4;
4Ω Power: 300W × 4;
Cooling method: air cooling (fan temperature control design);
Frequency response: 20Hz-20KHz, +0 / -0.5dB;
Total harmonic distortion: <0.05%@8Ω1KHz;
Signal to noise ratio:> 110dB;
Amplifier circuit: H class;
Impedance factor:> 1500 @ 63Hz;
Input sensitivity: 0.755V;
Protection: peak limit, overload, DC, short circuit, overheat, soft start;
Control: Front panel: Power switch / channel 4 Volume control;
Rear panel: Input interface: 3 pin (XLR)
Output interface: terminal);
Main fuse: 10A;
Power requirements: 220V / 50Hz;
Body size: 88 * 482 * 420 (unit mm);
Net weight: 15.00kg.

Packaging & Shipping
Each piece with manual+ polybag +foam plastic + waterproof bag +carton
Payment term
Smaple:T/T 100% deposit before delivery.
Mass production: T/T 30%deposit indvan
Delivery time
Smaple:3 days
Mass production:5-7 day,depand on quantity

4 Channel Professional Audio Sound System Speaker Power Amplifier
4 Channel Professional Audio Sound System Speaker Power Amplifier

4 Channel Professional Audio Sound System Speaker Power Amplifier

4 Channel Professional Audio Sound System Speaker Power Amplifier

1.Q: Are you a factory or trading company?

A: We are a manufacturer (with our own factory)  since 2000.  We are a leading manufacturer, exporter and supply chain service provider on professional audio system.

2.Q:Where is your factory located? How can I visit there?

A: Our factory is located in Nancun District, Guangzhou City, Guangdong Province, China. 

    About 30mins by car fromGuangzhou South Railway Station, We welcome customers from all over the world !

3.Q: Can you do OEM and ODM?

A: Yes, both. We can put your idea into products.

     We have professional research  development team, develop the products according to customer required.

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