What connection types are supported?

It supports NL4 connections for Driver 1 and Driver 2.

What certifications does this product have?

The product holds CE certification for safety and compliance.

Bsx Dual 21 Inch DJ Subwoofer Speaker with Long Excursion Design

Name: Bsx Dual 21 Inch DJ Subwoofer Speaker with Long Excursion Design
Brand: Sanway Audio Equipment Co., Ltd.
SKU: 706333301

Guangdong, ChinaSanway Audio Equipment Co., Ltd.

US$500.00-1,000.00

1 Piece

Product profile

Customization

Available

Noise

<95dB

Hi-Fi

Not Hi-Fi

Model NO.

BSX

Activity

Passive

Operation Mode

Wire / Remote Control

Speaker System

Optional Combination

Speaker Material

Wood

Application

Commercial

Certification

Monitor

LCD Screen

THD

<0.005%

Transport Package

Durable Carton or Flight Case

Specification

18 Inch

Trademark

SANWAY OR OEM

Origin

Made in China

HS Code

8518220000

Production Capacity

500PCS Per Month

Key features

Massive Low Frequency Output: Two 21-inch woofers deliver 48kW peak power per driver for deep bass.

High Efficiency Hybrid Design: Hybrid housing principle ensures energy is noticeable even at long distances.

Clean High-Frequency Reproduction: Stiff, light membranes reproduce frequencies up to 120 Hz cleanly.

Robust Weather-Resistant Finish: Polyurea coating provides durable, weather-resistant protection.

Versatile System Integration: Compatible with B30, T24N, VR10, and Vera 36 systems as a full-range sub.

Advanced Woofer Protection: Features long excursion, peak, and thermal protection for the woofer.

High Sensitivity Performance: 99dB sensitivity at 1W/1m with 142dB max SPL for powerful output.

Customizable OEM/ODM Service: OEM and ODM services are available for customized audio solutions.

Company profile

Sanway Audio Equipment Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2006-07-15 CertifiedNearest Port: Zhaoqing Port, Guangzhou port, Shenzhen PortAverage Response Time: ≤7.91h CertifiedTerms of Payment: T/T, PayPal, Western Union

AI-Powered supplier vetting

SummarySanway Audio Equipment Co., Ltd. is identified as a combined limited company and factory-based professional audio manufacturer in Guangzhou, China. Its stated product range covers power amplifiers, speakers, line-array systems, processors, and related professional audio equipment. The supplier reports five production lines, 11–20 quality-control staff, four R&D engineers, and stated annual capacities of 3,000 power amplifiers and 10,000 line-array sets. It describes quality-control procedures, trained personnel, experienced engineers, and product innovation, but no management-system certification is reported. Export activity is indicated through a 51%–70% export-sales share and markets in South America and Europe. Trade records show one buyer in Kazakhstan, although the records do not establish broader customer performance. Lead time is stated as within 15 working days in both peak and off-peak periods. Evidence is insufficient to verify financial strength, after-sales arrangements, or customization...

Supplier typeThe supplier is described as a factory specializing in research, development, manufacturing, sales, and technical services. Its registered entity is a combined limited company based in Guangzhou, China, supporting classification as a manufacturer with integrated commercial and technical functions.

CertificationsThe supplier’s certification of management systems is explicitly listed as NIL. Therefore, no management-system certification is evidenced in the provided information.

R&D capabilityThe supplier states that it conducts research and development, emphasizes quality and innovation, and employs engineers and technicians with extensive professional-audio experience. Four R&D engineers are reported, and the product range includes DSP-equipped amplifiers and digital speaker processors, providing evidence of relevant product-development capability.

Production capacityThe supplier reports factory manufacturing, a modern assembly line, strict quality control, five production lines, 11–20 quality-control staff, and annual capacities of 3,000 power amplifiers and 10,000 line-array sets. It also states a lead time within 15 working days in both peak and off-peak seasons, supporting a demonstrated production capability.