Bt-30 Professional Sound Equipment Passive 15 Inch Neodymium Subwoofer Speaker Audio
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Product Highlights
- Hybrid Design: Combines bass reflex and horn loading for optimal low-frequency performance.
- High Power Capacity: Handles 2000W program and 4000W peak power continuously.
- High SPL Output: Delivers up to 133dB maximum sound pressure level.
- Wide Frequency Range: Operates effectively from 35Hz to 200Hz.
- Durable Construction: Made of high-quality birch plywood with polyurea coating.
- Lightweight Design: Weighs only 38.7 kg with eight handles for easy transport.
- Customization Available: Offers full, minor, and flexible customization options.
- Professional Certification: Certified with CE and RoHS standards.
Product Attributes
- Customization
- Available
- Activity
- Passive
- Operation Mode
- Wire / Remote Control
- Model NO.
- BT-30
- Speaker System
- Subwoofer
- Speaker Material
- Wood
- Certification
- CE, RoHS
- Monitor
- No
- Drivers
- 2×15"
- Power Capacity Program / Peak
- 2000/4000W
- Impedance
- 8
- Splmax
- 133db
- Transport Package
- Strong Carton Packing
- Specification
- 706×446×800mm
- Trademark
- Sinbosen
- Origin
- Guangdong Province, China
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 Bt-30 Professional Sound Equipment Passive 15 Inch Neodymium Subwoofer Speaker Audio
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Product Description
| Drivers | 2×15" |
| Frequency range | 35-200 Hz |
| Power capacity program / peak | 2000/4000W |
| Impedance | 8 Ω |
| Coverage | omni |
| Sensitivity 1W / 1 m | 97 dB |
| SPLmax / 1 m | 133 dB |
| Connection | NL4 2± |
| Dimensions (H × W × D) | 706×446×800mm [27.8 × 17.56 × 31.5 in] |
| Weight | 38,7 kg |
| Finish | Polyurea coating, black |
| Options | Warnex texture paint, RAL colors |
Overview
The dual 15-inch passive subwoofers feature a hybrid cabinet structure that combines the advantages of bass reflex and horn loading designs. They can continuously output 2000W (4000W peak) power across a frequency range of 35-200Hz, achieving a maximum sound pressure level of 133dB. The cabinets are made of high-quality birch plywood and measure 706×446×800mm, facilitating stacking and transportation for mobile performances. They are suitable for theaters, stadiums, touring venues, and other occasions requiring high sound pressure levels and high-fidelity low frequencies.
Feature:
1. Horn-loaded bass reflex hybrid design
2. 2× 15" long excursion chassis with high sensitivity
3. High SPL output over wide frequency bandwidth
4. Outstanding footprint to output ratio
5. Lightweight enclosure: 38,7 kg/85 lbs with eight handles

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 capacity of the subwoofer?
- It supports 2000W program power and 4000W peak power.
- What is the frequency range?
- The frequency range is 35-200 Hz.
- Can the subwoofer be customized?
- Yes, we offer full customization, minor customization, and flexible customization options.
- What is the maximum sound pressure level?
- The maximum SPL is 133 dB.
- What is the lead time for orders?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
- What are the payment terms?
- We accept LC, T/T, D/P, and PayPal.
- What is the minimum order quantity?
- The minimum order quantity is 1 set.
- What certifications does the product have?
- The product is certified with CE and RoHS.
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