Name: 21 Inch Subwoofer Bass Speaker Box
Uploaded: 2026-02-14T08:41:29+08:00
Description: Watch the 21 Inch Subwoofer Bass Speaker Box video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.,Speaker Box,21 Inch Speaker,Bass Speaker,PA Speaker,Stage Speaker,Line Array Speaker,Indoor Speaker,Outdoor Line Array,Church Line Array,Outdoor Speaker,Professional Speaker,Big Power Speaker

MadeInChina.com > Video> Computer Products > Speaker & Sound Box > PA Speaker

21 Inch Subwoofer Bass Speaker Box Video,Demo, How It Works & Features 2025-04-09 2990
	High Power Double 12" Line Array Speaker Sound System for Church and Event 280 views Professional Double Bass 18 Inch 1200W Speaker Subwoofer 449 views 21 Inch Subwoofer Bass Speaker Box 299 views Small Size Dual 6" Line Array Speaker 354 views All-Weather Landscape Full Range Speaker 326 views

Product Specifications

Model NO.:

U121B

Amplification Type:

Passive

Speaker Material:

Plywood

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

Trademark:

FDB

Transport Package:

Carton Box

Specification:

790mmx890mmx695mm

Origin:

Dongguan, China

HS Code:

8518220000

Like 0 Dislike 0 Comment 0

More>Recommended Video

Lhj-802 Big Power Public Address System Horn Speaker

520

Lhj-802 Big Power Public Address System Horn Speaker

415

QQ Audio PA Ceiling Speaker with CE

344

Wooden Wall Mounted Speaker Lbg-506

High Power Long Range Rescue Homeland Board Maritime Security Acoustic Hailing Loudspeaker

509

High Power Long Range Rescue Homeland Board Maritime Security Acoustic Hailing Loudspeaker

262

12'' PA Woofer Speaker System/MID-Bass

320

12 Inch Sound System Subwoofer Speaker

Professional Audio Active Bluetooth Monitor Speaker for Theatre/ Conference Room/ Recording Studio/ Banquet/Control Room

346

Professional Audio Active Bluetooth Monitor Speaker for Theatre/ Conference Room/ Recording Studio/ Banquet/Control Room

10inch Neo Sound Alto-Falante De10 Speaker for Line Array System

524

10inch Neo Sound Alto-Falante De10 Speaker for Line Array System

Professional Audio RF Line Array Active 10 Inch Sound System

363

Professional Audio RF Line Array Active 10 Inch Sound System

1.7inch Neodymium Pi Diaphragm Line Array Tweeter Compression Driver Speaker

530

1.7inch Neodymium Pi Diaphragm Line Array Tweeter Compression Driver Speaker

Lpa-100TF 4 Zones FM USB Bluetooth Stereo High Power Amplifier OEM Factory

417

Lpa-100TF 4 Zones FM USB Bluetooth Stereo High Power Amplifier OEM Factory

12" /15" PA Speaker Box/Plastic Speaker Cabinet

273

12" /15" PA Speaker Box/Plastic Speaker Cabinet

©1996-2026 Made in China All Rights Reserved
MadeinChina.com is a trusted global B2B platform with over 20 years of experience, connecting worldwide buyers with reliable and verified Chinese suppliers and manufacturers.

21 Inch Subwoofer Bass Speaker Box Video,Demo, How It Works & Features