Gold Member Since 2016
Audited Supplier
Guangzhou Dolsi Audio Equipment Co., Ltd.

Audio Amplifier, SMPS Power Amplifier, PA Audio manufacturer / supplier in China, offering Four Channel Switching Mode Power Supply Power Amplifier (Ap Series), High Quality Factory Price Professional Audio Power Amplifier, Switching Mode PA Sound PRO Audio Professional Power Amplifier (DTA) and so on.

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Four Channel Switching Mode Power Supply Power Amplifier (Ap Series)

FOB Price: US $1-650 / Piece
Min. Order: 50 Pieces
Min. Order FOB Price
50 Pieces US $1-650/ Piece
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Port: Guangzhou, China
Production Capacity: 2000PCS Per Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: Ap Series
  • Usage: KTV System
  • Tube Type: Transistor Amplifier
  • Sound Channel: 4
  • Voltage: AC 220V
  • Conductive Mode: H
  • Height: 88mm ( 2u)
  • Power Output: 600-1000W Per Channel at 8 Ohm
  • Trademark: Dolsi brand or client′s logo
  • Specification: CE, RoHS and CB certification
  • HS Code: 851840009
  • Type: Professional Amplifier
  • Used For: Professional
  • Function: Post Amplifier
  • Output Number: 4
  • Element Number: Push-Pull Amplifier
  • Price: Pls Contact Us to Discuss About Price
  • Channel: 4 Inputs, 4 Output
  • OEM Production: Acceptable
  • Transport Package: 1PC/Polybag/Inner Protection/ Carton
  • Origin: Guangzhou, China
Product Description

Four Channel Switching Mode Power Supply (SMPS) Power Amplifier 
AP series 

Four Channel Switching Mode Power Supply Power Amplifier (Ap Series)


Product nameFour channel SMPS power amplifier AP series
Model No.AP604AP1004
Channel number4 inputs, 4 outputs4 inputs, 4 outputs
Height 88mm ( 2U)88mm ( 2U)
8Ω stereo output power 4x600W4x1000W
4Ω stereo output power 4x1000W4x1800W
Voltage Gain35dB40dB
Frequency Response20Hz-20kHz,+0/-3dB
Total Harmonic Distortion(THD)<0.026%,1kHz
IMD≤0.2% 8Ω,1KHz@1W 
Slew Rate≥30V/μS
Damping Factor(8 ohm),10Hz-400Hz≥600:1
Signal-to-Noise Ratio >100dB
Crosstalk>70dB @ 1KHz
Input sensitivity0.775V/1.0V/1.4V
Input Impedance 
Balanced10K ohm
Non-balanced20K ohm
Protectionsvoltage limit, and protection against direct current,over-heat,over-load,short circuit,on/off delay and Rf interference
Net weight13kg



AP Series adopt full bridge (SMPS) switching mode power supply with high efficiency and stability, third grade CLASS-H audio amplifier circuit. 

. Elegant enclosure design.
. Light weight and easy to install.
.Well-crafted machine with compact structure.
.Strong output power and applicable to a variety of applications.
. Integrated circuit ensuring excellent and independent output for the multi-region sound reinforcement system. 
.Advanced and full protection circuit against short-circuit, broken circuit, direct current, error matching, over-heat and no-load.
 .Well selected components. Strong anti-vibration. 
.Long-lasting performance stability 
.Accurat, and clean sound quality with very low distortion.
.Well tested by AP inspection machine to ensure strong stability.
Our Company:
With over ten years of experience in the audio field, Dolsi Audio is a manufacturer focusing in research, development and manufacturing of high quality audio equipment, including professional power amplifier, speaker, and other audio peripheral products. 
Four Channel Switching Mode Power Supply Power Amplifier (Ap Series)


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.  


Any inquiry, pls contact 
Four Channel Switching Mode Power Supply Power Amplifier (Ap Series)

Ms. Pearl Wei
Tel: 0086 20 36751499 
Mob:0086 13751813264

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