Cerwin-Vega V12DV4 12" Dual 4-Ohm Voice Coil Subwoofer

The Cerwin-Vega V12DV4 is a 12-inch VEGA Series car subwoofer designed for dedicated low-frequency reproduction in an aftermarket audio system. Its dual 4-ohm voice-coil design gives system builders flexibility when matching the subwoofer to a compatible amplifier. It is intended for listeners building a bass-focused upgrade rather than replacing full-range door speakers.

With a 1,200-watt RMS power rating and 3,600-watt maximum power rating, the V12DV4 is built for systems that use a properly matched external amplifier. Its 87 dB sensitivity and 38 Hz free-air resonance support substantial low-frequency output when installed in an appropriate enclosure. The 9 mm Xmax specification indicates designed linear cone travel for bass reproduction.

The diaphragm combines carbon fiber and polypropylene materials, using a parabolic one-piece cone design. This construction is paired with a stitch-reinforced Santoprene surround to support repeated cone movement. Together, these components are designed to balance cone rigidity, durability, and controlled bass response.

A ferrite motor structure provides the magnetic drive for the 3-inch dual voice coils. The V12DV4 also uses a vented pole piece to help manage heat during extended use. Its integrated impedance selector and single terminal connection simplify connection of the dual voice coils.

This subwoofer fits naturally into a custom sealed or ported bass system with sufficient mounting clearance and amplifier capacity. It can be used as a single subwoofer or combined with matching units where the amplifier and final impedance are correctly planned. Verify enclosure design, amplifier stability, electrical capacity, and available cargo-space clearance before installation.

Key Features

• 1,200W RMS Handling: Supports use with a properly matched high-power external amplifier.
• Dual 4-Ohm Voice Coils: Provides configuration flexibility for compatible amplifier systems.
• Carbon Fiber/Polypropylene Cone: Combines lightweight response with a rigid diaphragm structure.
• Santoprene Surround: Stitch-reinforced surround supports repeated excursion and long-term durability.
• Ferrite Motor Structure: Supplies the magnetic force needed for controlled bass output.
• Integrated Impedance Selector: Simplifies connection through the subwoofer's single terminal arrangement.

Design & Installation

The V12DV4 uses a cast aluminum basket, ferrite magnet structure, hybrid carbon fiber/polypropylene diaphragm, and Santoprene surround. A concealed mounting gasket contributes to a clean installed appearance, while the deep-drawn Vega basket supports the driver assembly. The subwoofer has a 12.66-inch overall diameter and 7.36-inch overall height.

Plan for an 11.02-inch cutout and 6.57 inches of mounting depth, plus clearance behind the motor structure and around the terminals. Use a rigid, correctly designed enclosure and an amplifier that is stable at the selected final load. Set gains carefully and use appropriate crossover and subsonic filtering for the enclosure type and system design.