High Power Compact 21 Inch Neodymium Subwoofer 138db High Spl Low Frequency Line Array Audio System

Name: High Power Compact 21 Inch Neodymium Subwoofer 138db High Spl Low Frequency Line Array Audio System
Brand: Weifang Domc Audio Co., Ltd
SKU: 2142341532

Shandong, ChinaWeifang Domc Audio Co., Ltd

US$6,658.00

1-9 Pieces

US$6,598.00

10+ Pieces

Sample price:US$6658.00/piece.Request sample

Product profile

Customization

Available

Noise

≥105dB

Hi-Fi

Not Hi-Fi

Model NO.

KS21

Activity

Passive

Operation Mode

Wire / Remote Control

Speaker System

Optional Combination

Speaker Material

Wood

Application

Commercial, Home

Certification

CE, RoHS, CCC, FCC

Monitor

No Display

THD

<0.005%

Rated Power

1500W

Pake Power

3000W

Max Spl

138db

Weight

80kg

Transport Package

Flight Case or Cardboard Box Packaging

Specification

575*752*620mm

Trademark

DOMC or OEM

Origin

Made in China

HS Code

8518210000

Production Capacity

10000pieces/Month

Key features

Deep Bass Extension: Extends down to 29Hz (-10dB) for impactful sub-bass performance.

High SPL Output: Delivers up to 138dB maximum sound pressure level with excellent dynamic headroom.

Versatile Directivity: Offers standard or cardioid configuration for optimized low-frequency control.

Durable Wood Construction: Built with multi-layer birch planks and water-based or polyurea paint finish.

OEM/ODM Customization: Customization services available for brand, design, and technical requirements.

Professional Application: Ideal for touring, theaters, arenas, and large-scale professional PA systems.

Compact Design: High-power performance in a compact 575*752*620mm format.

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: ≤0.47hTerms 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.

Product Q&A

Q:What is the frequency response range of this subwoofer?

The subwoofer has a frequency response range from 29Hz to 138dB, providing excellent low-frequency response suitable for high-demand sound systems.

Q:What applications is this subwoofer suitable for?

This subwoofer is ideal for large-scale performances, audio systems, cinema setups, and professional audio installations, delivering powerful low-frequency effects.

Q:What is the maximum SPL of this subwoofer?

The maximum SPL is 138dB, ensuring powerful low-frequency output for large venues and high-quality sound delivery.