Cerwin Vega

Cerwin Vega SUBP221SUBP221 Dual 21" Passive Subwoofer

SUBP221 Dual 21" Passive Subwoofer Cerwin-Vega SUBWOOFER Series — The Pulse of the Performance Go deeper than ever—command the ultimate low-end.

Key specs

Full specs
Type
Passive
Frequency Response (-3dB)
40Hz − 250Hz
Sensitivity (1W/1M)
103 dB
MAX.SPL
135 dB Continuous, 141dB Peak
Drivers
2×21" (530mm)LF
Rated Power
1600W RMS/ 6400W Peak
Nominal Impedance
4 ohms
Input Connectors
2×Speakon NL4

Key specs

Full specs
Type
Passive
Frequency Response (-3dB)
40Hz − 250Hz
Sensitivity (1W/1M)
103 dB
MAX.SPL
135 dB Continuous, 141dB Peak
Overview

SUBP221 Dual 21" Passive Subwoofer

Cerwin-Vega SUBWOOFER Series — The Pulse of the Performance Go deeper than ever—command the ultimate low-end. The SUBP221 is the heavyweight champion of the series, a dual 21" passive powerhouse designed for those who need maximum air displacement. With a staggering 6400W peak power and a frequency response that digs down to 40Hz, it doesn’t just play bass—it dominates the low-end spectrum. Why the SUBP221 is Your Next Must-Have: Earth-Shaking Output Featuring dual 21" drivers and a massive 141dB peak SPL, the SUBP221 is built for scale. The high-efficiency design ensures that even the lowest frequencies are delivered with absolute clarity and physical impact, making it the perfect foundation for large-scale sound reinforcement. Road-Ready & Install-Safe Quality you can trust. Wrapped in multilayer composite plywood and finished with wear-resistant polyurea paint, this cabinet is built to stay looking professional. It’s tough enough to handle the grind of touring and sleek enough to integrate into high-end permanent stadium or club installations. Ultimate Versatility: Mounted or Mobile Whether you are bolting it down for a flagship club install or deploying it for a massive outdoor festival, the SUBP221 adapts to the mission. It pairs effortlessly with line arrays and point-source systems, giving you the freedom to scale your sound from small venues to the largest arenas. From the Stage to the Streets Whether you’re a touring production company, a concert organizer, or a large venue owner, the SUBP221 delivers the extreme professional power you need. It’s built for the biggest crowds and the toughest tracks—delivering a performance that is loud, proud, and built to last.
Specs

Specifications

9
TypePassive
Frequency Response (-3dB)40Hz − 250Hz
Sensitivity (1W/1M)103 dB
MAX.SPL135 dB Continuous, 141dB Peak
Drivers2×21" (530mm)LF
Rated Power1600W RMS/ 6400W Peak
Nominal Impedance4 ohms
Input Connectors2×Speakon NL4
Dimensions46.46"×30.71"×23.62" (1180×780×600mm)
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