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  • Cerwin - Vega Replacement 15" Woofer for CVX - 15 - WOFP15258 - Cerwin Vega
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WOFP21405 21" WOOFER 4SVC 8OHM - Black Surround

$675.00 USD
$675.00 USD
Sale Sold out

21" WOOFER SERVICE PART REPLACEMENT

Improve the performance and reliability of your speaker wiring with the Cerwin-Vega Single Banana Plug – Red, a durable and high-quality connector designed for secure speaker wire connections in home audio systems, professional sound equipment, and testing environments. Engineered for dependable signal transfer and easy installation, this banana plug connector provides a clean and efficient solution for connecting speaker cables to amplifiers, receivers, speakers, and electronic testing equipment.

Designed with industry-standard 0.75-inch (19mm) center-to-center spacing, the Cerwin-Vega banana plug offers universal compatibility with a wide range of audio equipment and speaker terminals. Whether you're upgrading a home theater system, installing a high-performance stereo setup, or configuring professional audio gear, this connector ensures a stable and reliable connection.

The plug features premium nickel-plated brass contacts, which provide excellent conductivity for optimized signal transfer. This high-quality construction helps maintain strong electrical contact while resisting corrosion, ensuring long-term performance and consistent audio quality. By reducing resistance and maintaining clean signal flow, the connector helps your system deliver clear and accurate sound.

Installation is quick and simple thanks to the secure screw terminal design, which supports speaker wire up to 12 AWG. This design allows users to attach speaker cables quickly without specialized tools, making it ideal for both professional installers and audio enthusiasts performing system upgrades.

A molded ridge tab allows for quick polarity identification, helping users easily recognize the correct connection and maintain proper wiring throughout the system. Accurate polarity is critical for achieving optimal speaker performance and balanced sound reproduction.

Built with a durable design, the Cerwin-Vega banana plug is engineered to withstand repeated use in both personal and professional audio setups.

Key Features:
• Single banana plug connector – red
• 0.75-inch (19mm) standard spacing for universal compatibility
• Nickel-plated brass contacts for superior conductivity
• Supports speaker wire up to 12 AWG with screw terminal connection
• Molded ridge tab for quick polarity identification
• Ideal for amplifiers, speakers, home theater systems, and testing equipment

Upgrade your audio wiring with the Cerwin-Vega Single Banana Plug – Red — secure connections, durable construction, and reliable signal performance.


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Upgrade or restore your professional sound system with the Cerwin-Vega 21-Inch Pro Audio Replacement Woofer, a high-performance driver designed for powerful low-frequency reproduction in professional audio environments. Built for serious sound reinforcement systems, this 21" pro audio woofer delivers massive bass output, high efficiency, and reliable durability for demanding applications.

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, allowing the driver to produce tight and consistent low frequencies even at high output levels.

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 where durability and output are essential.

Designed to meet the needs of professional sound engineers and system builders, this woofer delivers the signature Cerwin-Vega low-frequency performance known for strong impact and high output capability.

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

If you're searching for a 21-inch pro audio woofer, Cerwin-Vega replacement speaker, or high-output bass driver for professional PA systems, this driver delivers serious low-end power and dependable performance.

Genuine Cerwin-Vega Replacement 21″ Woofer for CVX-21S 21″ Woofer

  • Part#: WOFP21405
  • Replacement for SW21A (Old Part#: WOFP21402) used in CVA121 & TS42
  • Power Handling: 2000 Watts
  • Ohm Load: 8Ω

Weight:

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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.

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.

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.

Find us near you! Use our Store Locator to easily discover authorized dealers, service centers, or retail locations. Simply enter your city or ZIP code to view nearby stores, contact details, directions, and availability. Shop with confidence knowing you're purchasing from trusted locations.
Please visit our Dealer locator page.

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.
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