K4-1000DSP Professional Audio 4 Channel Class D 1000 Watts DSP Power Amplifier
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Product Highlights
- 3-Year Warranty Coverage: Comprehensive warranty covering quality issues with engineer support and parts replacement.
- 1000W 4-Channel Output: Delivers 1000W per channel at 8 ohms or 1400W at 4 ohms for powerful audio performance.
- Built-in DSP Processor: Features 2-inch color screen, PC control, 30 user programs, and real-time temperature monitoring.
- Class D High Efficiency: Energy-saving design with low operating costs and 1/3 size compared to traditional amplifiers.
- Wide Voltage Support: Accepts 90-265V AC input with PFC technology for global compatibility and stable operation.
- Comprehensive Protection: Includes short circuit, thermal, overload, DC, and open circuit protection for safety.
- OEM and ODM Support: Flexible customization options including full customization, design-based, and sample-based services.
- Premium Component Quality: Constructed with high-end international components and Neutrik connectors for reliability.
Product Attributes
- Customization
- Available
- Type
- Professional Amplifier
- Usage
- Hi-Fi, AV, KTV System, Stage
- Model NO.
- K4-1000 dsp
- Used For
- Professional
- Tube Type
- Transistor Amplifier
- Function
- Post Amplifier, Amplifier Combined, Pre-amplifier
- Sound Channel
- 4.1
- Output Number
- 4
- Voltage
- 110V or 220V
- Element Number
- Monoamplifier
- Conductive Mode
- D
- Amplifier Type
- 1u Digital Amplifier
- Product Name
- K4-1000 Power Amplifier
- Class
- Class D Power Amplifier
- Output Power 4Ω
- 1400wx4CH
- Output Power 8Ω
- 1000wx4CH
- Frequency Response
- 20 Hz - 20 kHz
- Channel
- 4 Channel
- Application
- Commercial, Professional Performance
- Certificates
- CE, RoHS
- Warranty
- Three Years
- Service
- OEM ODM Support ;After-Sale Service
- Transport Package
- Strong Packing
- Specification
- 1U
- Trademark
- Sinbosen
- Origin
- Guangdong Province, China
- HS Code
- 8518500000
- Production Capacity
- 2000 Units/ Month
- Package Size
- 50.00cm * 50.00cm * 5.00cm
- Package Gross Weight
- 10.000kg
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 K4-1000DSP Professional Audio 4 Channel Class D 1000 Watts DSP Power Amplifier
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Product Description
| Model | K4-800 dsp | K4-1000 dsp | K4-1400 dsp | K4-1700 dsp |
| 8Ω Stereo Power: | 4x800W | 4x1000W | 4x1400W | 4x1700W |
| 8Ω Stereo Power: | 4x1200W | 4x1400W | 4x2200W | 4x2800W |
| 8Ω Stereo Power: | 2x2400W | 2x2800W | 4x2200W | 2x5000W |
| 4Ω Bridge Power: | 2x3100W | 2x3500W | 2x5500W | 2x6100W |
| THD (20Hz-20kHz for 1W): | <0.1% | |||
| THD (1kHz and 1 dB below clipping): | <0.05% | |||
| DSP Processor: | YES | |||
| Signal Noise Ration: | >106dB | |||
| Frequency Response(+/-0.1dB): | 10Hz-34kHz | |||
| Damping coefficient: | >600 | |||
| Impedance(balanced/unbalanced): | 20KΩ/10KΩ | |||
| Gain (optional): | 0.775V/1V/32dB | |||
| Output socket: | Speakon Connectors(NEUTRIK) | |||
| Input socket: | Combo XLR type,3pin(NEUTRIK) | |||
| Link socket: | No | |||
| Protection: |
Short circuit, open circuit, thermal,
overload, DC, super audio protection
|
|||
| Power Requirement: | 90-265V~50Hz(PFC) | |||
| Size(W x H x D): | 483x429x44mm | |||
| Weight(net): | 8kg | 9kg | 10.5kg | 11kg |
PROFESSIONAL POWER AMPLIFIER
1 Performance overview
a,High efficiency and energy saving, operation cost is low,
b,Compact and light weight,structure is firm.
c,Comply with the safety and EMC standards.
d,90~260VAC / 50~60HZ Wide range power supply.
e,First-class quality, thanks for the components from international high-end manufacturers.
f,Temperature control fan for quiet operation.
g,Modular design and maintenance is convenient.
h,Very suitable for mobile show.
i, Reasonable design makes you feel relaxed in the process of using.
2 Environmental protection, energy saving, cost saving
Advantages of high efficiency:
* Low working temperature, rlability will be improved obviously.
* The size and weight are only 1/3 of tradition amplifier.
" The cost for transportation, handling, installation will reduce obviously.
* Saving energy, reducing operating costs
* Environmental protection
3. Cooling instructions: Good heat dissipation /High quality fans
The cooling mode of the equipment is as follows: the cold air is sucked through the ventilation hole of the front panel, and the heat is taken out from the rear panel.
DSP Software Features:
1. Output channel temperature is visualized on the display, monitoring the temperature status of the amplifier at any time.
2. Output amplifier protection indicator, PRO indicator is always on in amplifier protection state.
3. 1U panel equipped with 2 inch color screen, can directly adjust the parameters to be adjusted or connected to the computer through PC control software to control, very convenient, intuitive and simple.
4. Operation panel can store 30 kinds of user programs, quick call, convenient and fast
5. Panel locks the device to prevent misuse.
6. Quick copy function; copy the tuned parameters to other channels
Attention!
Normally rating power should be amp-power x 1,5times comparing power of tops speaker and amp-power x 2times for the subwoofer.
To protect and extend your amplifier's working life, please don't use this amplifier under 2 ohms.
K series amplifier are suit for Middle and High speaker, not good for Subwoofer.





Why choose us?
1.Three years warranty for power amplifier. 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.
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.
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 warranty period for this amplifier?
- We provide a comprehensive 3-year warranty. If quality issues arise, please provide pictures or videos for engineer assessment and after-sale support.
- Can I customize the product or order small quantities?
- There is no minimum order quantity limit; you can order 1 piece or up to 1,000,000 pieces. We also offer full customization, design-based, and sample-based OEM/ODM services.
- What are the power output specifications?
- For the K4-1000 model, it delivers 1000W per channel at 8 ohms and 1400W per channel at 4 ohms across 4 channels.
- Is this amplifier suitable for subwoofers?
- No, the K series amplifiers are designed for middle and high-frequency speakers. They are not recommended for use with subwoofers.
- What certifications does the product have?
- The product holds CE and RoHS certifications, ensuring compliance with international safety and environmental standards.
- How does the cooling system work?
- The unit features a temperature-controlled fan. Cold air is drawn in through the front panel ventilation holes, and heat is expelled from the rear panel.
- What is the lead time for production?
- The average lead time is within 15 working days, regardless of whether it is peak season or off-season.
- Can the DSP parameters be adjusted remotely?
- Yes, the 2-inch color screen allows direct parameter adjustment, or you can connect to PC control software for remote management.
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