What certifications does the product have?

The product is certified with CE, RoHS, and CCC.

What is the lead time for production?

The lead time is within 15 workdays for both peak and off-peak seasons.

What is the net weight of the unit?

The net weight is 51kg per piece.

21 Inch Subwoofer Bass Speaker Box

Name: 21 Inch Subwoofer Bass Speaker Box
Brand: DONGGUAN FDB AUDIO MANUFACTURE CO .,LTD
SKU: 812392745

Guangdong, ChinaDONGGUAN FDB AUDIO MANUFACTURE CO .,LTD

US$1.00-3,000.00

1 Piece

Product profile

Customization

Available

Amplification Type

Passive

Speaker Material

Plywood

Model NO.

U121B

Usage

Stage/DJ, Multi-Purpose Hall, Moving Performance, Clubs

Structure

Two-Way Loudspeaker System

Function

Stage Loudspeaker

Frequency Response(-3dB)

35Hz-300kHz

Woofer

1×21"(530mm)/5"Voice Coil Lf

Rated Power

1000W RMS, 4000W Peak

Sensitivity

100dB 1 Watt/1 Meter

Impedance

4 Ohms Nominal

Maximum Spl

130dB Continuous, 136dB Peak

Certificate

Ce, RoHS, CCC

Net Weight

51kg/PC

Transport Package

Carton Box

Specification

790mmx890mmx695mm

Trademark

FDB

Origin

Dongguan, China

HS Code

8518220000

Production Capacity

5000PCS/Month

Key features

High Power Handling: 1000W RMS and 4000W Peak power for robust performance.

Deep Bass Frequency: Frequency response extends down to 35Hz for sub-bass reinforcement.

Durable Plywood Build: Constructed with high-quality plywood for structural integrity.

High SPL Output: Delivers up to 136dB peak sound pressure level.

OEM & ODM Support: Customization services available for branding and design.

Professional Certifications: Certified with CE, RoHS, and CCC standards for safety.

Versatile Applications: Ideal for clubs, stage monitors, hotels, and live sound.

Compact Vented Design: Efficient vented enclosure for enhanced low-frequency output.

Company profile

DONGGUAN FDB AUDIO MANUFACTURE CO .,LTD

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, Small-amount payment CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryDONGGUAN FDB AUDIO MANUFACTURE CO., LTD is a Chinese company established in 2010, specializing in professional audio products including transducers, speaker cabinets, and electronic products. It holds ISO 9001:2015 and ISO 14001:2015 certifications and imports key materials like voice coils and diaphragms. The company employs advanced technology and maintains a strong reputation for quality and reliability. With a registered capital of 11 million RMB and a 7,500 m² manufacturing plant, FDB Audio is well-equipped for production. The founder, with over 20 years of experience, has cooperated with renowned brands such as BOSE and Proel.

Supplier typeDONGGUAN FDB AUDIO MANUFACTURE CO., LTD is identified as a combined business entity based in Guangdong, China.

CertificationsThe supplier holds ISO 9001:2015 and ISO 14001:2015 certifications, indicating compliance with international quality and environmental management standards.

R&D capabilityThe company demonstrates innovation capability through use of advanced software and technology, and by importing high-quality materials for production.

Production capacityWith 98 employees, a 7,500 m² manufacturing plant, and advanced production equipment, the company is well-equipped to produce a range of audio products.

Client casesThe company has collaborated with notable clients such as BOSE and Proel, and has received positive market feedback.