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Subwoofers

D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer

Model: D20KQ Customization available Speakers & Audio Systems
US$680.00 – 880.00
MOQ 1 Piece
Frequency Response
±0.25dB, 20Hz --- 20KHz
Type
Professional Amplifier
Usage
Hi-Fi, AV
Used For
Professional
Tube Type
Transistor Amplifier
Function
Post Amplifier

Specifications

Product nameD20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer
CategorySubwoofers
Model NO.D20KQ
Used ForProfessional
Tube TypeTransistor Amplifier
FunctionPost Amplifier
Sound Channel4.1
Output Number4
VoltageAC220V or AC110V
Element NumberPush-Pull Amplifier
Conductive ModeD
D20kq 4 Channel Class-D DSP AmplifierBig Power Subwoofer Digital Amplifier
8 Ohms4 X 2100W
4 Ohms4 X 4000W
Warranty2 Years
Transport PackageDouble Layer Carton Packing
Specification483× 377× 88mm
OriginMade in China
HS Code8518400090
Production Capacity2000 PCS /Month
Package Size60.00cm * 55.00cm * 18.00cm
Package Gross Weight21.000kg
CustomizationAvailable
TypeProfessional Amplifier
UsageHi-Fi, AV
MODELD20KQ
Input4 channel
Output4 channel
PC Com Port1 USB Com Port on front panel, 1 USB Com Port,2 RS485 Com Port on back panel (RJ-45)
Processor48KHz Sampling frequency, 48-bit Fixed-Point DSP, 24-bit A/D and D/A converter
Dynamic range>110dB
Frequency Response±0.25dB, 20Hz --- 20KHz
Distortion< 0.01%, 20Hz - 20KHz @ +10dBu balanced input
Signal to noise ratio>110dB
Bandwidth0.2 to 36 oct, Frequency:20Hz to 20KHz, Gain: -24dB to +12dB, step:0.2 dB
Delay0ms to 115ms
Display2 x 20 LCD
Store Settings20 user program dynamic storage
PriceUS$680.00-880.00 1 Piece (MOQ)
SupplierSanway Audio Equipment Co., Ltd.
Data retrieved2026-10-23

Available options

VoltageAC220V or AC110V

Additional data

DSP
MODEL:D20KQ 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer
Input:4 channel
Output:4 channel
PC Com Port:1 USB Com Port on front panel, 1 USB Com Port,2 RS485 Com Port on back panel (RJ-45)
Processor:48KHz Sampling frequency, 48-bit Fixed-Point DSP, 24-bit A/D and D/A converter
Dynamic range:>110dB
Frequency Response:±0.25dB, 20Hz --- 20KHz
Distortion:< 0.01%, 20Hz - 20KHz @ +10dBu balanced input
Signal to noise ratio:>110dB
crossover filter:Each output channel can be independently set as LPF and HPF and APF, The parameters can be adjustable, Filter type:Butterworth, Bessel, Linkwitz-Riley; The Crossover Frequency:20Hz---20KHz, Slope:12,18,24 or 48 dB/octave
EQ:Bandwidth: 0.2 to 36 oct, Frequency:20Hz to 20KHz, Gain: -24dB to +12dB, step:0.2 dB
Delay:0ms to 115ms
Display:2 x 20 LCD
Store Settings:20 user program dynamic storage
AMPLIFIER
ModelD20KQ 4 Channel Class D Digital DSP amplifier
Output Power
8Ω Stereo Power4×2100W
4Ω Stereo Power4×4000W
8Ω Bridged Monon Power2×8000W
Frequenty Response20Hz-20kHz ±0.5dB
THD+N(Rated power,4Ω/KHz)%0.10%
Signal Noise Ration(dB)110dB
Input Impedance20KΩ Balanced / 10kΩ Unbalanced
Output ConnectorsSpeakon Connectors(NEUTRIK)
Power Requirement100-120V-50-60Hz or 200-240V-50-60Hz
Dimension483×377×88mm
Net weight13kg

Product description

The supplier lists this product as Professional Amplifier. Its stated application is Hi-Fi, AV. The listed model is D20KQ. Supplier-stated function: Post Amplifier. The specifications below reflect the information publicly displayed on the listing. Model NO.: D20KQ. MODEL: D20KQ. Frequency Response: ±0.25dB, 20Hz --- 20KHz. Signal to noise ratio: >110dB.

Specifications, options and prices reproduce the supplier's published listing. Please confirm critical parameters with us before ordering.

FAQ

What is the minimum order quantity for D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer?

The listed minimum order quantity is 1 piece. Tell us your quantity in the inquiry form and we will confirm it with the manufacturer.

How much does D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer cost?

The published price is US$680.00 – 880.00 per piece. Final pricing depends on quantity, options and destination.

Can it be customized with my logo, color or packaging?

Yes — the listing states that customization is available (Available). Describe your requirements in the inquiry.

Where do these specifications come from?

Specifications, options and prices reproduce the manufacturer's published listing on the date shown in the specification table. Please confirm critical parameters before ordering.

Send an inquiry

D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer
D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer
D20KQ · US$680.00 – 880.00 · MOQ 1 Piece
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