
D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer
- 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 name | D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer |
|---|---|
| Category | Subwoofers |
| Model NO. | D20KQ |
| Used For | Professional |
| Tube Type | Transistor Amplifier |
| Function | Post Amplifier |
| Sound Channel | 4.1 |
| Output Number | 4 |
| Voltage | AC220V or AC110V |
| Element Number | Push-Pull Amplifier |
| Conductive Mode | D |
| D20kq 4 Channel Class-D DSP Amplifier | Big Power Subwoofer Digital Amplifier |
| 8 Ohms | 4 X 2100W |
| 4 Ohms | 4 X 4000W |
| Warranty | 2 Years |
| Transport Package | Double Layer Carton Packing |
| Specification | 483× 377× 88mm |
| Origin | Made in China |
| HS Code | 8518400090 |
| Production Capacity | 2000 PCS /Month |
| Package Size | 60.00cm * 55.00cm * 18.00cm |
| Package Gross Weight | 21.000kg |
| Customization | Available |
| Type | Professional Amplifier |
| Usage | Hi-Fi, AV |
| MODEL | D20KQ |
| 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 |
| 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 |
| Price | US$680.00-880.00 1 Piece (MOQ) |
| Supplier | Sanway Audio Equipment Co., Ltd. |
| Data retrieved | 2026-10-23 |
Available options
| Voltage | AC220V 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 | |
| Model | D20KQ 4 Channel Class D Digital DSP amplifier |
| Output Power | |
| 8Ω Stereo Power | 4×2100W |
| 4Ω Stereo Power | 4×4000W |
| 8Ω Bridged Monon Power | 2×8000W |
| Frequenty Response | 20Hz-20kHz ±0.5dB |
| THD+N(Rated power,4Ω/KHz)% | 0.10% |
| Signal Noise Ration(dB) | 110dB |
| Input Impedance | 20KΩ Balanced / 10kΩ Unbalanced |
| Output Connectors | Speakon Connectors(NEUTRIK) |
| Power Requirement | 100-120V-50-60Hz or 200-240V-50-60Hz |
| Dimension | 483×377×88mm |
| Net weight | 13kg |
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 · US$680.00 – 880.00 · MOQ 1 Piece








