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

Amplifer, Power Amplifier, Professional Amplifier manufacturer / supplier in China, offering China OEM Transistor Professional Audio Power Amplifier with Ce, DJ PRO Audio Pure Post Professional Power Amplifier (DH Black), Class Ab 450W 2 Channel 2u Professional Power Amplifier and so on.

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China OEM Transistor Professional Audio Power Amplifier with Ce

FOB Price: US $1-650 / Piece
Min. Order: 30 Pieces
Min. Order FOB Price
30 Pieces US $1-650/ Piece
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Port: Guangzhou, China
Production Capacity: 5000PCS Per Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: B Series
  • Usage: Hi-Fi, AV, KTV System, Entertainment, Performance, Meeting Room, Stadium
  • Tube Type: Transistor Amplifier
  • Sound Channel: 2
  • Voltage: AC 220V
  • Conductive Mode: AB
  • OEM Order: Acceptable
  • Transport Package: 1PC/Carton
  • Origin: Guangzhou, China
  • Type: Professional Amplifier
  • Used For: Professional
  • Function: Post Amplifier
  • Output Number: 2
  • Element Number: Push-Pull Amplifier
  • Price: Pls Contact Us to Discuss About Prices
  • Trademark: Dolsi logo or client′s logo
  • Specification: CE, RoHS, CB, CCC
  • HS Code: 851840009
Product Description
Double Channel 2U 350W to 1600W  Professional Power Amplifier 


Model No.
Output power under stereo mode at 8 ohms350Wx2450Wx2600Wx2800Wx21300Wx21600Wx2
Output power under stereo mode at 4 ohms500Wx2700Wx21000Wx21300Wx22000Wx22300Wx2
Output power under stereo mode at 2 ohmsN/AN/A1500Wx21800Wx22400Wx22800Wx2
Damping Factor≥400:1≥600:1
Input sensitivity0db(0.775V rms) 1.0V/26dB23dB,26dB,29dB,32dB,35dB,38dB,41dB,44dB
Frenquency response20-20000Hz(±0.3dB)
Slew rate≥30V/us
Cross talk>70dB@1KHz
Dimensions (WxHxD)483x88x442mm

Product Highlights:

1.Small size, light in weight .
2. High efficiency and strong reliability. Best Choice for performance tour and outdoors. 
3. Full functional protection system, including electric power soft starting , no relay output and protection against short  circuit of direct current over-load, over-heat, super-high frequency, clipping distortion.
4.High efficiency but short air inlet groove with heat radiation bar.
5.Applicable to a variety of occasions from entertainment places , bar, meeting room to large theatre.



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. 

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 

Ms.Pearl Wei
Mob:0086 13751813264
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Ms. Pearl Wei
Export Sales Manager
To: Ms. Pearl Wei

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