Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W
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Product Highlights
- Class D Digital Amplifier: High efficiency 1U design with 450W output per channel for 8 Ohm load.
- Comprehensive Protection: Built-in safeguards against short circuit, overload, thermal issues, and DC output.
- Three Years Warranty: Covers quality issues with engineer support and parts replacement.
- Flexible Customization: Supports OEM/ODM, full customization, and minor customization from designs.
- Versatile Application: Ideal for KTV, stage, bars, concerts, churches, and home theater systems.
- Low Distortion Output: Delivers high-fidelity sound with less than 0.05% THD at 1KHz.
- Universal Voltage: Operates on 90-265V AC with PFC technology for global compatibility.
- No MOQ Limit: Accepts orders from 1 piece up to 1,000,000 pieces without restrictions.
Product Attributes
- Customization
- Available
- Type
- Professional Amplifier
- Usage
- Hi-Fi, AV, KTV System, Stage
- Model NO.
- K4-450
- Used For
- Professional
- Tube Type
- Transistor Amplifier
- Function
- Post Amplifier, Amplifier Combined, Pre-amplifier
- Sound Channel
- 4/2 Channels
- Output Number
- 4/2 Channels
- Voltage
- 110V or 220V
- Element Number
- Monoamplifier
- Conductive Mode
- D
- Amplifier Type
- 1u Digital Amplifier
- Product Name
- K4-450/K2-450 Power Amplifier
- Class
- Class D Power Amplifier
- Channel
- 4/2 Channel Power Amplifier
- Output Power 8ω
- 450wx4CH/450wx2CH
- Frequency Response
- 20 Hz - 20 kHz
- Feature
- Perfect Sound/1u/4/2CH/Digital AMP
- Application
- Karaoke/Indoor/Stage/Concert/Party/KTV/Bars/Church
- 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
- 8518400090
- Production Capacity
- 1000 Units/ Month
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 Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W
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Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W -
Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W -
Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W -
Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W -
Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W -
Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W -
Sinbosen Professional 1u Digital Amplifier K4-450 Family Home Sound Audio Amplifier 450W
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Product Description
Sinbosen professional 1u digital amplifier K4-450 Family Home Sound Audio Amplifier 450W
Feature:
1.Three years warranty. 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.
K4-450/k2-450 Digital Power Amplifier
| 1U Digital Amplifier | K4-450 |
| Output Power 1 KHz, <0.05%THD | 8Ω/Stereo 4CHX450W/2CHX450W |
| Class | Class D Power Amplifier |
| Input socket | XLR type, 3pin |
| Link socket | XLR type, 3pin male |
| Protection | Short circuit, open dircuit, thermal, overload,DC,super audio protection |
| Power Requirement | 90-265V~50Hz(PFC) |
| Size(WxHxD) | 55x32x11cm |
| Weight(net) | 8Kg |
Feature:
Mini 1U size, convenient for Touring ApplicationsSuitable for stage, bar, club, KTV, Karaoke, home, theater, indoor and outdoor activities, etc.
4/2 Channel Class D Digital power amplifier.
4/2 x 450 Watts into 8 Ohms.
Precise and Reasonable circuit structure.
Bring super reliable sound.
Bridge-mode operation for Touring Applications.
Original Neutrik XLR*/Speakon connectors
Temperature protection;
4/2 x 450 Watts into 8 Ohms.
Precise and Reasonable circuit structure.
Bring super reliable sound.
Bridge-mode operation for Touring Applications.
Original Neutrik XLR*/Speakon connectors
Temperature protection;
Over current protection;
Short circuit protection built-in.
Why choose us?
1.Three years warranty. 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.
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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 warranty period for this amplifier?
- We provide a three-year warranty. If quality problems occur, please provide pictures or videos for engineer assessment and after-sale support.
- Can I customize this product?
- Yes, we offer OEM/ODM support including full customization, customization from designs, and minor customization.
- What is the minimum order quantity?
- There is no minimum order quantity limit. You can order as few as 1 piece or up to 1,000,000 pieces.
- What are the output power specifications?
- The amplifier delivers 450W per channel at 8 Ohms. It supports 4-channel or 2-channel configurations.
- What protection features are included?
- It includes protection against short circuits, open circuits, thermal overload, DC output, and overcurrent.
- What is the lead time for production?
- The lead time is within 15 workdays for both peak and off-peak seasons.
- What certifications does the product have?
- The product is certified with CE and RoHS standards.
- What is the input and output connector type?
- It features original Neutrik XLR and Speakon connectors for input and output.
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