21" Woofer Replacment (4SVC 8Ω ) for CVX-21S - WOFP21405
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Overview
21" Woofer Replacement for CVX-21S
It is also a replacement for the SW21A used in the CVA-121 and TS-42 models
Designed with a 4 voice coil configuration and 8-ohm impedance, this Cerwin-Vega replacement woofer offers excellent power handling and flexible integration into professional PA systems, concert speakers, subwoofer cabinets, and sound reinforcement systems. Its large 21-inch cone area allows it to move a significant volume of air, producing deep, impactful bass that can fill large venues with ease.
Engineered specifically for pro audio speaker systems, the woofer features a heavy-duty motor structure and reinforced cone assembly that help maintain stable performance even under high power conditions. The durable black surround supports extended cone movement while maintaining control and accuracy.
Whether you're repairing a damaged driver or upgrading an existing professional loudspeaker cabinet, this Cerwin-Vega 21-inch replacement woofer provides a dependable solution for restoring powerful bass performance. Its robust construction makes it ideal for concert sound systems, club installations, DJ rigs, and touring audio setups.
Key Features:
• 21-inch professional audio replacement woofer
• 4 voice coil configuration with 8-ohm impedance
• Durable black surround for controlled cone movement
• High-output design for PA systems and subwoofer cabinets
• Ideal for concert sound, DJ systems, and professional audio installations
Specifications
Product Manuals
CVX Series Powered Speakers - FAQ
Q1: What are Cerwin-Vega CVX Series Powered Speakers designed for?
A: Cerwin-Vega CVX Series Powered Speakers are designed for professional sound reinforcement applications that require high output, reliability, and powerful performance. They are ideal for touring, live performances, DJs, clubs, ballrooms, outdoor events, houses of worship, and rental/staging applications.
Q2: Do CVX Series speakers require an external amplifier?
A: No. CVX Series speakers feature built-in Class D amplification, providing a complete powered speaker solution without requiring a separate external amplifier.
This design helps:
Simplify system setup
Reduce additional equipment
Improve portability
Provide consistent power performance
Q3: What models are available in the Cerwin-Vega CVX Series?
A: The CVX Series includes:
CVX-10 — 10" 2-Way Powered Speaker
CVX-15 — 15" 2-Way Powered Speaker
CVX-18S — 18" Powered Subwoofer
CVX-21S — 21" Powered Subwoofer
The different sizes allow users to select the right balance of portability, output level, and low-frequency performance for different venues.
Q4: Can CVX Series speakers be combined with subwoofers?
A: Yes. CVX full-range speakers can be paired with CVX powered subwoofers to create a complete professional PA system.
Adding a CVX subwoofer provides:
Deeper low-frequency extension
Greater impact and dynamics
Higher overall system output
Better performance for large venues
Q5: What makes the CVX Series suitable for professional touring and events?
A: The CVX Series is designed for demanding professional environments with features including:
Durable TourShield™ construction
High-output Class D amplification
Flexible XLR/TRS connectivity
DSP EQ modes
Field-serviceable components
These features help maintain reliable performance during frequent transport, setup, and long-duration events.
FAQ
Have questions? Our FAQ section covers everything you need — from ordering and payments to shipping, returns, and technical support. Browse through the answers to the most common inquiries to get quick help. If you still need assistance, our support team is always ready to help.
Warranty
At Cerwin-Vega, we take pride in being the manufacturer of high-quality audio products, ensuring that every item meets our stringent standards. Our commitment to excellence extends to our comprehensive warranty coverage for both our Pro and Home divisions.
Warranty Coverage:
- Passive Speakers: 2 years
- Active Devices: 1 year
- Headphones: 1 year
For details please visit our warranty policy page.
Product Registration
Cerwin-Vega product is more than just audio equipment—it's a commitment to legendary sound, precision craftsmanship, and reliability honed over 70 years of excellence. By registering your product, you unlock a range of exclusive benefits designed to enhance your ownership experience.
Please visit the product registration page.
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List of Authorized Cerwin Vega Repair Centers
Find trusted and verified support through our list of Authorized Cerwin Vega Repair Centers. Each location is certified to provide genuine parts, expert diagnostics, and professional servicing to ensure peak performance and product longevity. Use this directory to locate the nearest repair partner for fast, reliable, and warranty-approved service.
Please visit our list of Authorized Cerwin Vega Repair Centers page.