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21" Dual Passive Subwoofer - SUBP221

$2,959.99 USD
$2,959.99 USD
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Size: SUBP221
In stock.
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21" Dual Passive Subwoofer

The SUBP221 is the heavyweight of the series — a dual 21-inch passive powerhouse designed for maximum impact. With incredible peak power and extended low-frequency reach, it's the foundation for anyone who needs extreme sound in the largest venues.

Built for scale, the SUBP221 delivers massive volume with absolute clarity, wrapped in a high-grade plywood cabinet with a scratch-proof, waterproof finish — tough enough for touring, sleek enough for permanent stadium or club installs.

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 Ω
Input Connectors: 2×Speakon NL4
Net Weight: 228.8 lbs(104 kg)
Gross Weight: 246.4 lbs(112 kg)
Dimensions: 46.46"×30.71"×23.62" (1180×780×600mm)

 
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Q1: What are Cerwin-Vega Passive Subwoofers designed for?
A: Cerwin-Vega Passive Subwoofers are designed for professional audio systems that require powerful low-frequency performance, high output capability, and flexible system configuration.

They are ideal for:

Live performances
Touring sound systems
DJs
Outdoor events
Large venues
Professional installations
Rental audio applications

With deep bass response and high-impact performance, Cerwin-Vega Passive Subwoofers help deliver the low-frequency foundation needed for powerful and immersive sound experiences.

Q2: Are Cerwin-Vega Passive Subwoofers powered or passive?
A: Cerwin-Vega Passive Subwoofers are passive subwoofer systems, which means they require an external power amplifier to operate.

A passive design gives professional users greater flexibility to:

Select the amplifier that best matches their system requirements
Customise power output based on venue size
Build scalable professional sound systems
Integrate with existing PA equipment

This makes them a flexible solution for professional audio setups where system control and customisation are important.

Q3: What makes Cerwin-Vega Passive Subwoofers different from other subwoofer solutions?
A: Cerwin-Vega Passive Subwoofers are built with a focus on high-output bass performance, durability, and professional system integration.

Key advantages include:

Powerful low-frequency output for large-scale applications
Professional-grade enclosure designs
High efficiency for demanding sound environments
Reliable performance during extended use
Flexible compatibility with professional PA systems

They are designed to provide the strong bass impact and dynamic response that Cerwin-Vega is known for.

Q4: Can Cerwin-Vega Passive Subwoofers be integrated into a larger audio system?
A: Yes. Cerwin-Vega Passive Subwoofers are designed to work as part of a complete professional sound system.

They can be combined with:

Full-range passive speakers
Professional amplifiers
Signal processors
Other PA system components

Adding a passive subwoofer helps enhance:

Low-frequency extension
Overall system impact
Sound pressure capability
Live performance energy

Q5: Why choose Cerwin-Vega Passive Subwoofers for professional audio applications?
A: Cerwin-Vega Passive Subwoofers are built for professionals who need powerful bass performance, reliable construction, and flexible system design.

Whether used for live events, touring systems, installations, or mobile audio applications, they provide the low-frequency performance needed to create a more powerful and engaging listening experience.