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Subwoofers

Single 21′ ′ Subwoofer

Model: NX121B&NX121BA Customization available Speakers & Audio Systems
US$1.00 – 3,000.00
MOQ 1 Piece
Rated Power
800W RMS, 3200W Peak
Sensitivity
100dB 1 Watt/1 Meter
Woofer
1X21"(530mm)/4.5" Voice Coil Woofer
Maximum Spl
129dB Continuous, 135dB Peak
Net Weight
58kg/PC
Certification
CE, RoHS

Specifications

Product nameSingle 21′ ′ Subwoofer
CategorySubwoofers
Model NO.NX121B&NX121BA
Woofer1X21"(530mm)/4.5" Voice Coil Woofer
Rated Power800W RMS, 3200W Peak
Sensitivity100dB 1 Watt/1 Meter
Maximum Spl129dB Continuous, 135dB Peak
Net Weight58kg/PC
Transport PackageCartoon/Flight Case
Specification860x692x685mm(NX121B);
OriginDongguan, China
HS Code8518210000
Production Capacity5000PCS/Month
CustomizationAvailable
CertificationCE, RoHS
Frequency Response(-3dB)35Hz-300Hz
Factory IntroductionFDB Audio Manufacture Co., Ltd is specialized in researching, developing and manufacturing in PRO audio products. The main products are professional transducers(HF driver & woofer), speaker cabinets and electronic products like amplifiers and processors.
Webfdbaudiochina.en.made-in-china.com
PriceUS$1.00-3,000.00 1 Piece (MOQ)
SupplierDONGGUAN FDB AUDIO MANUFACTURE CO .,LTD
Data retrieved2026-10-23

Available options

Rated Power
800W RMS3200W Peak

Additional data

FREQUENCY RESPONSE(-3dB)35Hz-300Hz
DRIVERS1×21"(530mm)/4.5"voice coil LF
RATED POWER800W RMS,3200W peak
SENSITIVITY100dB 1watt/1 meter
MAXIMUM SPL129dB continuous,135dB peak
IMPEDANCE4 ohms nominal
INPUT CONNECTORS2×Speakon NL4
PACKING SIZE860mm×692mm×685mm
NET WEIGHT58kg/pc
GROSS WEIGHT64kg/pc

Product description

The supplier lists this product. The listed model is NX121B&NX121BA. The specifications below reflect the information publicly displayed on the listing. Model NO.: NX121B&NX121BA. Rated Power: 800W RMS, 3200W Peak. Sensitivity: 100dB 1 Watt/1 Meter. Frequency Response(-3dB): 35Hz-300Hz.

Specifications, options and prices reproduce the supplier's published listing. Please confirm critical parameters with us before ordering.

FAQ

What is the minimum order quantity for Single 21′ ′ Subwoofer?

The listed minimum order quantity is 1 piece. Tell us your quantity in the inquiry form and we will confirm it with the manufacturer.

How much does Single 21′ ′ Subwoofer cost?

The published price is US$1.00 – 3,000.00 per piece. Final pricing depends on quantity, options and destination.

Can it be customized with my logo, color or packaging?

Yes — the listing states that customization is available (Available). Describe your requirements in the inquiry.

Where do these specifications come from?

Specifications, options and prices reproduce the manufacturer's published listing on the date shown in the specification table. Please confirm critical parameters before ordering.

Send an inquiry

Single 21′ ′ Subwoofer
Single 21′ ′ Subwoofer
NX121B&NX121BA · US$1.00 – 3,000.00 · MOQ 1 Piece
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