Cerwin-Vega CVP12S4 12" 4-Ohm SVC Subwoofer

The Cerwin-Vega CVP12S4 is a 12-inch passive car subwoofer designed to add low-frequency output to a factory-system upgrade or custom audio build. Its single 4-ohm voice coil provides a straightforward load for matching with a compatible external amplifier. It is intended for listeners who want a dedicated bass driver without moving to a dual-voice-coil wiring configuration.

Rated at 200 watts RMS and 550 watts maximum, the CVP12S4 is built for systems that need controlled low-end reinforcement. Its 86.8 dB sensitivity and 28.4 Hz resonant frequency support bass-focused enclosure designs. The 8 mm one-way Xmax specification indicates capacity for substantial cone travel within its rated operating range.

A light, rigid poly cone handles bass reproduction while a treated foam surround supports cone movement. The surround is dual stitched to the cone and uses a ribbed profile intended to help it retain its shape under higher output. A reinforcing dust cap is used as part of the driver structure.

The motor and frame design focus on cooling and stability. Perimeter venting at the voice coil is specified to assist heat dissipation, while a bumped backplate supports increased excursion. The driver is built on a CAD-optimized stamped-steel basket.

The CVP12S4 can be used in either sealed or ported enclosures, allowing a system to be tailored for more controlled bass or greater low-frequency output. Its 4-ohm single-coil layout makes amplifier selection and wiring relatively direct. Use the published mounting dimensions when choosing an enclosure, baffle, and installation location.

Key Features

• 12-Inch Subwoofer: Adds a dedicated low-frequency driver to a car audio system.
• Single 4-Ohm Voice Coil: Provides a simple nominal impedance load for amplifier matching.
• 200W RMS Rating: Supports continuous-power amplifier matching at its rated level.
• Poly Cone: Combines low mass and rigidity for bass reproduction.
• Treated Foam Surround: Supports cone travel and is dual stitched for attachment reliability.
• Vented Motor Design: Perimeter voice-coil venting helps manage heat during operation.

Design & Installation

The CVP12S4 uses a polypropylene cone, treated foam surround, reinforcing dust cap, and stamped-steel basket. Its ribbed, dual-stitched surround and bumped backplate are designed to support cone movement. Large-gauge spring terminals provide the speaker-wire connection points.

Mount the subwoofer in an enclosure designed for a 12-inch driver and follow the 301 mm cutout and 151 mm mounting-depth specifications. The manufacturer identifies the driver as compatible with sealed and ported enclosures; choose the enclosure type according to the system goal. Pair it with an external amplifier that is stable at a 4-ohm load and set amplifier gain conservatively.