Sinbosen Professional Stereo Amplifier Ds-20q Best Power AMPS for Live Sound
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Product Highlights
- High Power Output: 4000W RMS into 4 Ohms, 2200W RMS into 8 Ohms per channel.
- Upgraded Capacitors: 12pcs 3600UF 200V capacitors for deeper bass and powerful sound.
- Comprehensive Protection: Includes ACL, IGM, short circuit, DC voltage, and thermal protection.
- Premium Components: Uses ONSEMI transistors and Neutrik XLR/Speakon connectors.
- Flexible Voltage: Selectable 110V or 220V operation for global use.
- Extended Warranty: 3-year warranty with free accessories and engineer support.
- No MOQ Limit: Accepts orders from 1 piece up to 1,000,000 pieces.
- OEM & ODM Service: Offers full customization, minor customization, and sample-based design.
Product Attributes
- Customization
- Available
- Type
- Professional Amplifier
- Usage
- Hi-Fi, AV, KTV System, Stage, Professional Performance
- Model NO.
- DS-20Q
- Used For
- Professional
- Tube Type
- Transistor Amplifier
- Function
- Post Amplifier, Amplifier Combined, Pre-amplifier
- Sound Channel
- 4CH
- Output Number
- 4CH
- Voltage
- 110V or 220V
- Element Number
- Monoamplifier
- Conductive Mode
- Td
- Frequency Response
- 20 Hz - 34 kHz
- Channel
- 4 Channel
- 8 Ohm Stereo Power(RMS)
- 2200W X 4CH
- 4 Ohm Stereo Power(RMS)
- 4000W X 4CH
- Warranty
- 3 Years
- Certificate
- CE, RoHS
- Service
- OEM Service Offered
- Transport Package
- Strong Carton Packing
- Specification
- 65&60&15cm
- Trademark
- Sinbosen
- Origin
- Guangdong Province, China
- HS Code
- 8518400090
- Production Capacity
- 1000 Units/ Month
Product Images of Sinbosen Professional Stereo Amplifier Ds-20q Best Power AMPS for Live Sound
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Product Description
| Sinbosen Audio Amplifier | ||||||
| FP Series | DS-7K | DS-9K | DS-14K | DS-6Q | DS-10Q | DS-20Q |
| 8ΩStereo Power(RMS) | 1500WX2 | 1800WX2 | 2400WX2 | 625WX4 | 1350WX4 | 2200WX4 |
| 4ΩStereo Power(RMS) | 2800WX2 | 3000WX2 | 4400WX2 | 1300WX4 | 2100WX4 | 4000WX4 |
| 8ΩBridged Power(RMS) | 5600W | 6000W | 8800W | 2500WX2 | 4200WX2 | 8000WX2 |
| 4ΩBridged Power(RMS) | 7000W | 9000W | 14000W | 3000WX2 | 5000WX2 | 9000WX2 |
| Frequency Response(+o/-0.3dB, 1W/8Ω) | 20 Hz - 34 kHz | |||||
| THD 20 Hz - 20 kHz for 1 W | <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, 220 V / 110 V 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 position detented from -inf to 0 dB | |||||
Product Detail
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 2200 Watts into 8 Ohms,4 x 4000 Watts into 4 Ohms
Create SUPER sound quality,good for dual 18" subwoofer
Separately controllable on Gain
Scalable Voltage Peak Limiter (VPL)
Bridge-mode operation for Touring Applications
Comprehensive protection scheme
Use high quality capacitor 12pcs 3600uf 200V +12pcs 2200uf 200V
Use Original ONSEMI transistor
Original Neutrik XLR*/Speakon connectors
High efficient cooling.Totally 12pcs Fans built-in;
Temperature protection;Over current protection;Short circuit protection built-in
We use a number of high-quality raw materials:
1. Use high-quality capacitor 3600UF 200V.
2. Use high-quality transistor.
3. Neutrik XLR*/Speakon connectorso Extended heatsink to 94 mm.
4. High-quality Fan from Taiwan.

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.
3. Our engineers have 10 years work experience, very professional.
4. The product is light and suitable for performance and conferences.
5. There is no minimum order quantity limit, you can choose to order 1PC or 1000000PCS. No limit about quality.
6. Products with CE RoHS certification.
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.
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 into 4 Ohms and 2200W RMS into 8 Ohms across 4 channels.
- Does this amplifier support different voltages?
- Yes, it supports selectable 110V and 220V operation.
- What is the warranty period?
- We provide a 3-year warranty covering quality problems with free accessories.
- Is there a minimum order quantity?
- No, there is no minimum order quantity limit; you can order 1 piece or more.
- Can I customize this product?
- Yes, we offer OEM/ODM services including full customization and minor customization.
- What protection features are included?
- It features ACL, IGM, short circuit, DC voltage, and thermal protection.
- What connectors does it use?
- It uses high-quality Neutrik XLR and Speakon connectors.
- How long is the lead time?
- Lead time is within 15 workdays for both peak and off-peak seasons.
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