18inch/12inch Big Best Subwoofer Loose Speaker for K2/ K3 Series
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Product Highlights
- Optimized Sound Design: Engineered with CLIO software for consistent performance and outstanding sound quality.
- High Power Handling: Rated impedance 8 ohm with continuous program power up to 2000 W.
- Wide Frequency Range: Delivers deep bass from 35Hz to 1500Hz for professional audio applications.
- Durable Construction: Features paper mix fiber cone, copper voice coil, and aluminum basket.
- OEM/ODM Services: Full customization, minor customization, and flexible customization options available.
- Reliable Quality Control: 100% visual and function inspection for all finished products.
- Versatile Application: Ideal for nightclubs, stadiums, and concert halls worldwide.
- Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, Western Union, and small-amount payments.
Product Attributes
- Customization
- Available
- Activity
- Passive
- Application
- Commercial
- Model NO.
- S18WF10028N
- Cone
- Paper Mix Fiber
- Spider
- 2 Spiders with Silicone
- Voice Coil
- Copper in/out with Copper Ring
- Magnet Construction
- 2 Alu Rings in The Magnet Construction
- Type
- Subwoofer
- Basket
- Alumium
- Transport Package
- Strong Carton
- Specification
- Net Weight ( 1 unit) 10.5 kg
- Trademark
- OEM/ODM
- Origin
- Guangzhou, China
- HS Code
- 8518290000
- Production Capacity
- 3000/Month
Product Images of 18inch/12inch Big Best Subwoofer Loose Speaker for K2/ K3 Series
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Product Description
Ruizheng Speakers primary line consists of high frequency drivers and coaxial components, and cone drivers. We have made a strong commitment to provide a well-balanced line of Low Frequency drivers that range from 6.5" to 24", as well as a very complete line of High Frequency drivers. Our engineers have optimized each design with CLIO software to ensure each design operates to its fullest potential time and time again. From nightclubs, to stadiums, to concert halls around the world, our products are chosen based on their reliability, consistency and most of all for their outstanding sound quality.
https://ruizhengsound.en.made-in-china.com/product/eBfxLmHGIdpa/China-21inch-Audio-Neodymium-Deep-PRO-Big-Powered-DJ-Subwoofer-Speaker.html
| MODEL S18WF10028N | ||||
| Specifications | Thiele Small Parameters | |||
| TYPE | Subwoofer | Fs | 35 Hz | |
| Nominal Diameter | 460 mm/18 in | Re | 5.0 ohm | |
| Rated impedance | 8 ohm | Qms | 9.83 | |
| Nominal (AES) | 1000 W | Qes | 0.40 | |
| Continuous Program | 2000 W | Qts | 0.38 | |
| Sensitivity(1w/1m) | 95 dB | Vas | 174 L | |
| Frequency Range | 35Hz-1500Hz | Sd | 0.1257 m2 | |
| Voice Coil Diameter | 100 mm/4 in | Mms | 258 g | |
| Voice Coil Material | Copper out/in | BL | 27 T.M | |
| Mounting lnformation | Shipping lnformation | |||
| Overall Diameter | φ460 mm/φ18 in | Net Weight ( 1 unit) | 10.5 kg | |
| Bolt Circle Diameter | φ443 mm/φ17.4 in | Shipping Weight ( 1 unit) | 12.5 kg | |
| Mount Baffle Cut-out | φ423 mm/φ16.7 in | Package Size ( 1 unit) | 50x51x30 cm | |
| Depth | 255mm/10.1 in | |||
| Bolt Hole Diameter | 8-φ6.5mm/8-φ0.26in | |||

Founded in 2011, ruizheng audio is designing and distributing amplifier, speakers, supplying OEM/ODM components to many of the professional audio brands in the market today.


About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI2411751". Items marked "" are certified.
Company Profile
Founded in 2011, ruizheng audio is designing and distributing amplifier, speakers, speaker system under the AiMEEK brand name, they also supply OEM/ODM components to many of the professional audio brands in the market today.
Ruizheng amplifiers primary line consists of AB class and D class, H class, switch power class. We supply range from 300W to 1500W @ 8ohm, 2 channel/3channel/4 channel/6channel/8channel.
Ruizheng Speakers primary line consists of high frequency drivers and coaxial components, and cone drivers. We have made a strong commitment to provide a well-balanced line of Low Frequency drivers that range from 6.5" to 24", as well as a very complete line of High Frequency drivers. Our engineers have optimized each design with CLIO software to ensure each design operates to its fullest potential time and time again. From nightclubs, to stadiums, to concert halls around the world, our products are chosen based on their reliability, consistency and most of all for their outstanding sound quality.
Company management, sales, accounting, and research and development activities are performed in this building. Ruizheng supply a premium product that offers excellent value to the consumer.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Room 402, Building 2, Jimeizhi Garden, No. 9 Xinkai Road, Wusha Community, Daliang Street, Shunde District, Foshan City
-
Plant Area
- 2916 square meters
-
Number of Employees
- 30
-
Registered Capital
- 500,000 RMB
-
Terms of Payment
- T/T, LC, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, EXW, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Guangzhou Port, Shenzhen Port
-
Minimum Order Quantity
- 100 Pcs
-
Supply Chain Partners
- 50
Our Production Capability & Technical Expertise
-
Main Products
- Limiting Amplifier, Speaker, Limiting Amplifier Part, Speaker Part
-
Production Lines
- 3
-
Production Machines
- Audio Generator, Oscilloscope, Voltmeter
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2023-09-19
-
Export Year
- 1 Year
-
Main Markets
- South Asia
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the power handling capacity?
- The speaker has a rated impedance of 8 ohm and can handle a continuous program power of 2000 W.
- What is the frequency range?
- The frequency range is 35Hz to 1500Hz, optimized for deep bass performance.
- Can I request custom designs?
- 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 100 pieces.
- How long does production take?
- Lead time is within 15 workdays during off-peak season and one month during peak season.
- What payment methods do you accept?
- We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments.
- Do you provide quality inspection?
- Yes, we perform 100% visual and function inspection on all finished products.
- What is the net weight of one unit?
- The net weight of one unit is 10.5 kg.
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