What is the maximum sound pressure level?

The maximum sound pressure level is 129dB SPL or 135dB SPL peak.

High-Power 650W Domc Sb18 Subwoofer with Deep Bass Range

Name: High-Power 650W Domc Sb18 Subwoofer with Deep Bass Range
Brand: Weifang Domc Audio Co., Ltd
SKU: 2130136512

Shandong, ChinaWeifang Domc Audio Co., Ltd

US$3,958.00

1-9 Pieces

US$3,559.00

10+ Pieces

Sample price:US$3958.00/piece.Request sample

Product profile

Customization

Available

Noise

<102dB

Hi-Fi

Not Hi-Fi

Model NO.

SB18

Activity

Passive

Operation Mode

Wire / Remote Control

Speaker System

Optional Combination

Speaker Material

Wood

Application

Commercial

Certification

CE, RoHS, CCC, FCC

Monitor

No Display

THD

<0.005%

Frequency Response

32Hz-300Hz(±3dB)/25Hz-350Hz(±10dB)

Rated Power

650W (AES)

Impedance

8ω

Weight

45.8kg

Maximum Sound Pressure Level

129dB Spl/135dB Spl Peak

Transport Package

Strong Wooden Frame and Carton

Specification

750*550*705mm(W× H× D)

Trademark

DOMC or OEM

Origin

Made in China

HS Code

8518220000

Production Capacity

2000units/Month

Key features

High Power Output: Rated power of 650W (AES) delivers strong bass sound for commercial and stage applications.

High Sound Pressure: Maximum sound pressure level reaches 129dB SPL continuous and 135dB SPL peak.

Durable Wood Construction: Built with 18mm plywood and Galaxy Black Paint finish for robust performance.

OEM and ODM Services: Offers custom branding options with DOMC or OEM trademarks available.

Versatile Application: Suitable for commercial, home, stage, KTV, and professional performance environments.

Certified Quality: Product holds CE and FCC certifications ensuring compliance with safety standards.

Flexible Speaker System: Supports optional combination speaker systems for customized audio setups.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedProduct Certification

Weifang Domc Audio Co., Ltd

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2024-05-06Nearest Port: Shandong Port Weifang Port.Co.,Ltd., Qingdao PortAverage Response Time: ≤0.42hTerms of Payment: T/T, Western Union, Credit Card

AI-Powered supplier vetting

SummaryDongmei Audio Co., Ltd. is identified as a combined company operating in audio equipment manufacturing and sales, household appliances, lighting, technical services, and related activities. It demonstrates substantial R&D and customization capabilities, including 3D design, ODM, OEM for popular brands, recent product development, and documented design review, verification, and validation records. The supplier reports quality assurance and inventory capability, with stated lead times of within 15 workdays off-season and one month during peak season. However, important control gaps remain: no written corrective and preventive action or complaint-handling procedures, no valid manufacturing contract with associated subcontractors, no overseas warehouse or showroom, and no SDK availability. Financial information is present only as years, without sufficient evidence to assess credibility. Customer reach is described broadly, but specific customer cases are not provided.

Supplier typeThe supplier is classified as a combined company and operates in audio equipment manufacturing and sales, alongside household appliances, lighting, technical services, import/export, and related activities. It also reports inventory capability, but lacks a valid manufacturing contract with associated subcontractors.

After-Sales capabilityTechnical engineers are responsible for technical support during production and after-sales service, and the supplier has relevant service-capability records. Nevertheless, it has no written corrective and preventive action mechanism or written customer-complaint handling procedures, indicating a documented after-sales process deficiency.

R&D capabilityThe supplier provides 3D software design, ODM services, and multiple forms of customization, and reports new product development within the past year. R&D engineers handle customer requirements, technical support, and new product development, while auditable design documentation is available; however, no SDK is available.

Customization capabilityThe supplier explicitly supports customization from samples, customer designs, full customization, minor customization, and flexible customization. Its 3D design, ODM, and engineering support capabilities further support customized development and production.