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IR Circuit Small Digital Power Amplifier 250W , High Efficiency 4 Channel Amplifier

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IR Circuit Small Digital Power Amplifier 250W , High Efficiency 4 Channel Amplifier

Brand Name : JMEI
Model Number : DS-4250
Certification : ISO,CE,FCC,REACH,ROHS
Place of Origin : Guangzhou,China
MOQ : 30 pcs
Payment Terms : L/C, T/T, Western Union
Supply Ability : 5000pcs/month
Delivery Time : 3 days for samples/2 weeks for normal order after payment is accepted
Packaging Details : 1 pc/carton
Color : Blue
Channel : 4
Signal to noise : > 80dB
THD : < 0.05%
Power 8Ohm : 250W
Input sensitivity : 1V
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IR Circuit Small Digital Power Amplifier 250W , High Efficiency 4 Channel Amplifier

Quick details:

Model Number: DS-4250

Original: Guangzhou, China

Radiator: Ceramic insulator

Supply Power: 250W

Color: Blue , others can be customized.

Warranty: 2 years

Special: laser printing logo

Type: 4 channel slim design power amplifier

Service type: OEM/ODM

Business type: Manufacturer

Protective Methods:Overheating, Short Circuit and DC


1.1U Super Slim Design .

2. Tunnel structure heat dissipation.

3. Class D circuit adopted classical plan of IR company.

4. Strong power in small size with 90%high efficiency.

5. Reliable protection of over voltage, under-voltage, DC, and short circuit

6. Pressure limiter for overheat and over-current.

7. Auto-speed fan by temperature controlling.

8. High efficiency for power control by using switch power supply.


1. Fedex/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders, we send to your forwarder's warehouse.

4. Delivery Time: 5-7days for samples; 10-20days for big orders.


1. Payment: T/T,L/C,Western Union

2. MOQ: 30 pcs. We can accept small order and trial order. And a better price negotiable will be given

when quantity is above 50 pieces.

About us

Speaker, Loudspeaker, Pro Audio, Audio System, Speaker Box, Speaker System, Line Array, DJ

Equipment, Pa Speaker, Vibration Speaker, Professional Speaker, Home Theatre Speaker, Karaoke

Speaker, Horn Speaker, Long Throw Speaker, Sub Woofer, Sub Bass, Woofer Speaker, Amplifier,

Power Amplifier, Microphone, Mixer are our factory production line. Any interested, please contact

us freely.

Technical Specifications:

Power 8Ohm250W
Power 4Ohm400W
Frequency response20Hz-20KHz +3/-3dB
THD0.05%@8Ω 1KHz
Signal to noise> 80dB
Slew Rate40V/μ s
Damping factor>200@8Ω
Channel Isolation>1000dB@8Ω 1KHz
Input impedance20KΩ(balance)/10kΩ(unbalance)
Input sensitivity1V

Why you choose us?

1. ISO 9001:2000, manufacturer.

2. Strong supply capacity, high quality and competitive price.

3. All goods examined before delivery by QC staff.

4. Prompt Reply within 12 Hours.

5. Excellent foreign trade team speaking English, Japanese and French, etc.

6. Offer FREE sample in some cases after negotiation.

7. Factory locates in raw material market Guangzhou city of China.

8. We're pleased to assist you to purchase other product if you need.

Product Tags:

Class D Power Amplifier


sound power amplifier

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