Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier
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Product Highlights
- High Power Output: Delivers 4000W RMS per channel at 4 Ohms and 2200W RMS at 8 Ohms for powerful audio performance.
- Enhanced Cooling System: Features 8 rear fans and extended heatsink board to improve heat dissipation and stability.
- Upgraded Capacitor: Uses 3600UF 200V capacitors, increasing capacity by 300UF for deeper, more powerful bass.
- Professional Components: Built with original ONSEMI transistors and high-quality Taiwan fans for superior sound quality.
- Comprehensive Protection: Includes ACL, IGM, short circuit, DC voltage, and current inrush protection schemes.
- Flexible Customization: Supports OEM/ODM services with options for full, sample, design, and minor customization.
- Long Warranty: Provides a three-year warranty with free accessories and professional engineer support.
- Low MOQ: No minimum order quantity limit; orders from 1 piece to large volumes are accepted.
Product Attributes
- Customization
- Available
- Type
- Professional Amplifier
- Usage
- Hi-Fi, AV, KTV System, Stage
- Model NO.
- DS-20Q
- Used For
- Professional
- Tube Type
- Transistor Amplifier
- Function
- Post Amplifier, Amplifier Combined, Pre-amplifier
- Sound Channel
- 4CH
- Output Number
- 4
- Voltage
- 110V & 220V
- Element Number
- Monoamplifier
- Conductive Mode
- D
- Product Name
- Ds-20q Power Amplifier
- Class
- Td Switching Power Amplifier
- 8 Ohm Stereo Power (RMS)
- 2200wx4CH
- 4 Ohm Stereo Power (RMS)
- 4000wx4CH
- Frequency Response
- 20 Hz - 34 kHz
- Signal-to-Noise Ratio
- >112 Dba
- Channel
- 4 Channel
- Capacitor
- 3600UF 200V
- Feature
- New Cooling System/Big Power Amplifier
- Application
- Commercial, Professional Performance
- Certificates
- CE, RoHS
- Warranty
- Three Years
- Service
- OEM ODM Support ;After-Sale Service
- Transport Package
- Strong Packing
- Specification
- 65&60&15cm
- Trademark
- Sinbosen
- Origin
- Guangdong Province, China
- HS Code
- 8518400090
- Production Capacity
- 1000 Units/ Month
- Package Size
- 67.00cm * 57.00cm * 63.00cm
- Package Gross Weight
- 21.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier
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Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier -
Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier -
Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier -
Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier -
Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier -
Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier -
Subwoofer Amplifier Ds-20q 4 Channel 4000 Watt Professional Audio Class Td Switching Power Amplifier
Find Similar Products
Product Description
| DS-7K | DS-9K | DS-14K | DS-6Q | DS-10Q | DS-20Q | DS-22Q | |
| 8 ohm Stereo Power (RMS) | 1500WX2 | 1800WX2 | 2400WX2 | 700WX4 | 1350WX4 | 2200WX4 | 2500WX4 |
| 4 ohm Stereo Power (RMS) | 2800WX2 | 3000WX2 | 4400WX2 | 1300WX4 | 2100WX4 | 4000WX4 | 4650WX4 |
| 8 ohm Bridged Power (RMS) | 5600W | 6000W | 8800W | 2500WX2 | 4200WX2 | 8000WX2 | 9300WX2 |
| 4 ohm Bridged Power (RMS) | 7000W | 9000W | 14000W | 3000WX2 | 5000WX2 | 9000WX2 | 15000WX2 |
| Frequency Response(+o/-0.3dB,1W/8Ω): | 20 Hz - 34 kHz | ||||||
| THD 20 Hz - 20 kHz for 1W: | <0.1% | ||||||
| Signal-to-Noise Ratio: | >112 dBA | ||||||
| Channel separation (Crosstalk) at 1 kHz : | >70 dB | ||||||
| Input Connectors (per channel): | 3 pin XLR, electronically balanced | ||||||
| Output Connectors (per channel): | Binding Posts 2-pole | ||||||
| Class: | TD | ||||||
| TourClass Protection: | ACL, IGM, AutoRamp, short circuit, DC voltage, turn on/off transient, current inrush, sub/ultrasonic input | ||||||
| Operating voltage, 220V / 110V nominal: | 180-240 V / 90-130 V selectable | ||||||
| Voltage Gain(dB): | 23, 26, 29, 32, 35, 38, 41, 44 dB selectable | ||||||
| Input impedance: | 20 kOhm | ||||||
| Level adjustment (per ch.): | Front panel potentiometer, 31 positions detented from -inf to 0 dB | ||||||
Product Detail
New heat sink
We upgrade cooling system, added 8 fans on the rear panel. Enhance the heat dissipation capability of the amplifier.
Capacitor Upgrade
The old one is 3300UF 200V and now the new is 3600UF 200V. Totally add more 300UF capacity. The amplifier power supply board is better than before, it will make your subwoofer bass sound quality more loud and powerful.
| Feature |
| 4 Channel Class TD Switching power amplifier. 4 x 4,000 Watts into 4 Ohms,4 x 2,200 Watts into 8 Ohms Neutrik XLR*/speakon connectors. Upgrade high-quality capacitor 3300uf 200V to 3600uf 200V Use Original ONSEMI transistor. Creat SUPER sound quality,good for dual 18 inch subwoofer. High quality fans from TaiWan. Extended heatsink board to 94 mm. Separately controllable on Gain. Scalable Voltage Peak Limiter (VPL). Bridge-mode operation for Touring Applications. Comprehensive protection scheme. |
Why choose us?
1.Three years warranty, free accessories. If there are quality problems,provide pictures or video, engineers judge the problem and provide after-sale support Products with CE ROHS certification.
2.We are 10 years manufature about professional audio speaker and power amplifier. Our engineers have 10 years work experience, very professional.
3.The product is light and suitable for performance and conferences.
4.There is no minimum order quantity limit ,you can choose to order 1pc or 1000000pcs.No limit about quality.
5.Products with CE ROHS certification.
If you are interested in our products, please contact us
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2411837". Items marked "
" are certified.
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Company Profile
Sinbosen Audio Equipment company limited, it's a Firm whose roots are deeply embedded into Guangzhou. Our Brand is Sinbosen. We make various kinds of professional audio equipment, such as switching power amplifier, Digital amplifier, DSP amplifier, Microphone and professional speaker.
Sinbosen audio have nearly 50 employees; Among them are 3 expertise designers, 6 QC staffs and 4 technical managers on site. We cover an area of 3, 000 square meters of production workshop, and possess 5 lines of assembly streamlines.
Sinbosen audio makes great efforts on quality and products development, now we cooperated with many clients overseas and our products have exported to more than 60 countries. We has good relationship with USA, Europe and South America. And our products have CE, RoHS, FCC, BQB certifications.
Sinbosen audio provide OEM/ODM service for 6 years and has obtained consistently high praise from our customers since it was set up.
Normally our lead time for mass order is 3-7days, for example 50PCS amplifiers can be finished with 3-5days. Small order or customized sample is welcomed.
Our company support three years warranty. Any problem welcome to contact us. Our services team is 18hours online. We will supply free after-service if any quality or product problem.
Sinbosen audio regards "reasonable prices, efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 6th Floor, Building 7, Xiajijiao, Tinggang, Hongxing Village, Shimen Street, Baiyun District, Guangzhou, Guangdong, China
-
Plant Area
- 1200 square meters
-
Number of Employees
- 33
-
Registered Capital
- 100,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Guangzhou Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
- Main Products
- Line Array, Subwoofer, Fp Power Amplifier, Digital Amplifier, Audio Processor, Professional Speaker, Professional Microphone, Other Audio Equipment
-
Production Lines
- 7
-
Production Machines
- Manual Assembly Line
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Full Customization, Customization from Designs, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2015-04-09
-
Export Year
- 10 Years
-
Main Markets
- North America, Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 8
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- RoHS, CE
-
Cooperated with Fortune 500
- No
FAQ
- What is the power output of this amplifier?
- It delivers 4000W RMS per channel at 4 Ohms and 2200W RMS per channel at 8 Ohms.
- Does this amplifier support OEM or ODM services?
- Yes, we support OEM and ODM services, including full customization, customization from samples, designs, and minor adjustments.
- What is the warranty period for this product?
- We provide a three-year warranty, which includes free accessories and professional after-sale support from engineers.
- Is there a minimum order quantity (MOQ)?
- No, there is no minimum order quantity limit. You can order as few as 1 piece or up to 1,000,000 pieces.
- What certifications does this amplifier have?
- The product holds CE and RoHS certifications, ensuring compliance with international safety and environmental standards.
- How does the cooling system work?
- We upgraded the cooling system by adding 8 fans on the rear panel and extending the heatsink board to 94mm for enhanced heat dissipation.
- What is the lead time for production?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
- What input and output connectors are used?
- It features 3-pin XLR input connectors (electronically balanced) and 2-pole binding post output connectors.
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