Ka18 Professional 18 Inch Active Powered Subwoofer Bass Speaker
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Product Highlights
- Deep Bass Performance: 18-inch driver delivers impactful low-frequency output with 40Hz-250Hz response.
- High Power Output: Rated power 700W and peak power 2500W with 1200W Class D amplifier module.
- Advanced DSP Control: Built-in 48K DSP with FIR function, USB/RS485 connectivity for precise tuning.
- LED Display Interface: Integrated LED screen allows easy adjustment of Gain, Bridge, Delay, and language.
- Robust Construction: 18mm plywood wood case with polyurea paint for durability and professional finish.
- Comprehensive Protection: Features temperature, short circuit, and DC protection for safe operation.
- Versatile Connectivity: 2-channel output allows connection to extra passive speakers or line array systems.
- Global Power Compatibility: PFC power supply supports AC 90-265V at 50-60Hz for worldwide use.
Product Attributes
- Customization
- Available
- Noise
- <102dB
- Hi-Fi
- Not Hi-Fi
- Model NO.
- KA18 active
- Activity
- Active
- Operation Mode
- Wire / Remote Control
- Speaker Material
- Wood
- Application
- Commercial, Home, Stage, KTV, Professional Performance
- Frequency Response
- 40Hz-250Hz
- Sensitivity
- 100db(1m/W)
- Impedance
- 4ω
- Feature
- Support Strong Bass Sound
- Transport Package
- Strong Wooden Frame and Carton
- Specification
- 70x38x25cm
- Trademark
- Sinbosen
- Origin
- Guangdong Province, China
- HS Code
- 85182200
- Production Capacity
- 1000 Units/ Month
- Package Size
- 100.00cm * 120.00cm * 120.00cm
- Package Gross Weight
- 100.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
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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 Ka18 Professional 18 Inch Active Powered Subwoofer Bass Speaker
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Product Description
Technical Parameters
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KA18 active subwoofer
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1pcs 18inch Power bass
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100cores 220magnetism
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MF rated Power/ Peak
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700W/8Ω 2500W/Peak
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Frequency response
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40Hz-250Hz
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Sensitivity
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100dB(1m/w)
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Impedance
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8Ω
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Wood case
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18mm plywood,With Polyurea paint
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Active version
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Amplifier module power 1200watts x1CH 8ohms
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Overview
This combination of a single 18-inch powered subwoofer and three dual 8-inch active line array speakers offers several advantages. Firstly, the 18-inch subwoofer provides impactful and deep low-frequency output, delivering a rich and immersive sound experience. Secondly, the dual 8-inch line array speakers ensure broad and even coverage in the venue, guaranteeing consistent sound distribution throughout the space. Lastly, this combination delivers high-quality audio performance with low distortion and increased sensitivity, resulting in clear and high-fidelity sound reproduction. Overall, this setup is ideal for various indoor audio applications, offering powerful bass response, wide sound dispersion, and exceptional sound quality.
Product detail

1)Built-in 48K high-performance DSP processor with FIR function, RS485 networking or USB cable for adjustment.
2)Bult-in LED screen display, easy to adjust function, such as Gain, Bridge,Delay and language.
3)Speaker output: The module is 2channels, user can connect one channel to extra passive speaker.
4)Power Supply: PFC Type 50-60Hz AC90~265V.
5)Professional-grade audio CLASS D amplifier circuit.
6)Fully sealed with its own shielding box, speakers can be installed without the need for a partition.
7)Widely used in line array speakers, full-range and subwoofer combination sets. Such as Dual 8inch, 10inch, 12inch line array or full-range speaker, or 15inch, 18inch subwoofer.
8)Built-in DSP Module, controlled by Computer for Equalizer, Delay, Volume and so on.
9)With Temperature protection, short circuit protection, DC protection.
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
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Business Type
- Manufacturer/Factory & Trading Company
- Address
- 6th Floor, Building 7, Xiajijiao, Tinggang, Hongxing Village, Shimen Street, Baiyun District, Guangzhou, Guangdong, China
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Plant Area
- 1200 square meters
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Number of Employees
- 33
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Registered Capital
- 100,000 RMB
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Terms of Payment
- LC, T/T, D/P, PayPal
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International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
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Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Guangzhou Port
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Minimum Order Quantity
- 1 Set
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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
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Production Lines
- 7
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Production Machines
- Manual Assembly Line
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QA/QC inspectors
- 3 people
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Inspection Type for Finished Products
- 100% inspection(Visual inspection)
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Inspection Method for Finished Products
- Have instruction but no written records
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Customization Options
- Customization from Samples, Full Customization, Customization from Designs, Minor Customization, Flexible customization
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ODM Service Available
- Yes
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R&D Engineers
- 2 people
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Traceability of Raw Materials
- Yes
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Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2015-04-09
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Export Year
- 10 Years
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Main Markets
- North America, Europe
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Repeat Buyers Choice
- 50%~80%
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Number of Foreign Trading Staff
- 8
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Overseas Agent/Branch
- No
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New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- RoHS, CE
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Cooperated with Fortune 500
- No
FAQ
- What is the frequency response range?
- The frequency response range is 40Hz to 250Hz.
- What is the peak power of the subwoofer?
- The peak power is 2500W with a rated power of 700W.
- Does the speaker support customization?
- Yes, we offer full customization, minor customization, and flexible customization from samples or designs.
- What is the minimum order quantity?
- The minimum order quantity is 1 set.
- How long 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 RoHS and CE.
- What payment methods are accepted?
- We accept LC, T/T, D/P, and PayPal.
- Is the amplifier module Class D?
- Yes, it features a professional-grade audio Class D amplifier circuit.
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