Gold Member Since 2015
Audited Supplier
Guangzhou Huifeng Electronic Co., Ltd.

DSP Amplifier, Class D Amplifier, Power Amplifier manufacturer / supplier in China, offering High Quality 4 Channels Class D Power Amplifier, Economical 2 Channels Professional Power Amplifier for KTV, Conference and Show, 2channels Professional Power Amplifier and so on.

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Supplier Homepage Product Professional Amplifier Digital amplifier High Quality 4 Channels Class D Power Amplifier

High Quality 4 Channels Class D Power Amplifier

FOB Price: US $100-1,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100-1,000/ Piece
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Production Capacity: 2000PCS/Month
Transport Package: Carton
Payment Terms: L/C, T/T, D/P

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Product Catalog
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Basic Info
  • Model NO.: DS-4250
  • Used For: Professional
  • Function: Post Amplifier
  • Output Number: 8
  • Element Number: Push-Pull Amplifier
  • Trademark: SKS
  • Origin: Guangzhou, China
  • Usage: Hi-Fi, KTV System
  • Tube Type: IC Amplifier
  • Sound Channel: 4.1
  • Voltage: AC 220V
  • Conductive Mode: D
  • Specification: SGS/ROHS/CE
  • HS Code: 8518400090
Product Description
A single DS Series amplifier is more than just an amplifier. It is also a capable and sophisticated loudspeaker processor. Integration of DSP and amplification means that the processor knows exactly what the amplifier is doing, allowing the dynamics processing and protection circuitry to be far more accurate and effective .High Quality 4 Channels Class D Power Amplifier
Rated Power(1KHz,THD+N=0.1%)8ohm 4×150W4×250W4×350W
4ohm 4×250W4×400W4×550W
Total Harmonic Distortion(THD+N)<0.05%@8Ω 1KHz
Frequency Response20Hz-20KHz  (±3dB)
Slew Rate40V/µs
Channel resolution@ Rated Power,RL=8ohm,1khz> 1000dB 
S/N Ratio>80dB
Damping Factor 8ohm,1f=1kHz >200
Input Impedance10K ohm/ Unbalanced,20K ohm/ Balanced
Input sensitivity1V
Output CircuitryCLASS D
Product dimensions(W×H×D)430*120*300mm
Carton and ContentsPower cable and quick start guide
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