What is the net weight of the subwoofer?

The net weight of the S218+ subwoofer is 76kg.

Does the speaker include protection circuits?

Yes, PRO HF protect circuits are built into the cabinets for safe operation.

S218+ Dual 18 Inch Loudspeaker Professional Subwoofer

Name: S218+ Dual 18 Inch Loudspeaker Professional Subwoofer
Brand: Sanway Audio Equipment Co., Ltd.
SKU: 694474602

Guangdong, ChinaSanway Audio Equipment Co., Ltd.

US$200.00-420.00

1 Piece

Product profile

Customization

Available

Noise

≥105dB

Hi-Fi

Model NO.

Sanway S218+

Activity

Passive

Operation Mode

Wire / Remote Control

Speaker System

Optional Combination

Speaker Material

Wood

Application

Commercial

Certification

CE, RoHS

Monitor

THD

<0.005%

Type

18 Inch Subwoofer Bass

Color

Black, Grey, etc.

Transport Package

Durable Cartons or Flight Case

Specification

18 Inch subwoofer

Trademark

SANWAY or OEM

Origin

Made in China

HS Code

8518500000

Production Capacity

2000PCS Per Month

Key features

High Power Output: 1200W RMS and 2400W Peak power handling for intense bass performance.

Deep Bass Response: Dual 18-inch drivers deliver frequency response from 35Hz to 300Hz.

Customizable Options: Available in Black, Grey, and other colors for tailored aesthetics.

Built-in Protection: PRO HF protect circuit ensures safe operation day after day.

Versatile Installation: Integral rigging points and rotatable driver for fixed or portable use.

Durable Construction: 18mm plywood enclosure with black polyurethane paint finish.

Low Distortion: THD less than 0.005% for clear and accurate sound reproduction.

Professional Grade: Designed for nightclubs, discos, and ballrooms requiring punchy LF.

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: ≤7.79h 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.