Gravity G3-12D4 12" Dual 4-Ohm Car Subwoofer

The Gravity G3-12D4 is a 12-inch car audio subwoofer designed to add dedicated low-frequency output to an amplified vehicle sound system. Its dual 4-ohm voice coil configuration provides wiring flexibility when matching the subwoofer to a compatible mono or multi-channel amplifier. This model is sold as a single subwoofer for custom enclosure and system builds.

With a listed 1,000-watt RMS power rating and 2,000-watt peak power rating, the G3-12D4 is intended for systems that need substantial bass handling. Its 30-500 Hz frequency-response specification covers the low-frequency range typically assigned to a subwoofer. An 87 dB sensitivity rating is specified for the driver.

The subwoofer uses a competition-grade pressed paper cone to reproduce bass frequencies, paired with a high-roll foam surround. This combination is designed to support cone movement while maintaining the driver structure during regular use. The G3-12D4 also uses an advanced airflow cooling system intended to help manage heat at the motor and voice-coil assembly.

Dual 4-ohm voice coils allow the G3-12D4 to be wired in parallel for a 2-ohm final load or in series for an 8-ohm final load. The appropriate configuration depends on the amplifier's supported impedance and rated power output. Matching amplifier output to the subwoofer's RMS rating and final impedance is important for a properly balanced installation.

The G3-12D4 is suited to car audio upgrades where a separate subwoofer enclosure and external amplifier are being used. It can serve as a single-driver bass solution or as part of a multi-subwoofer setup. Select an enclosure, amplifier, wiring, and electrical system appropriate for the vehicle and the desired final impedance.

Key Features

• 12-Inch Subwoofer: Adds dedicated bass reproduction to an amplified car audio system.
• Dual 4-Ohm Voice Coils: Supports 2-ohm parallel or 8-ohm series wiring options.
• 1,000W RMS Rating: Helps match the driver with an appropriately rated amplifier.
• Pressed Paper Cone: Provides the specified competition-grade cone construction.
• High-Roll Foam Surround: Supports cone travel and driver durability.
• Airflow Cooling System: Helps manage heat during sustained operation.

Design & Installation

The G3-12D4 combines a pressed paper cone, high-roll foam surround, dual voice-coil motor structure, and airflow cooling design. Its 12-inch format is intended for installation in a suitable subwoofer enclosure. The listed package dimensions are 13.3 x 13.1 x 8.7 inches.

Install the subwoofer securely in an enclosure designed for a 12-inch driver, using a proper seal around the mounting flange. Connect both voice coils with correct polarity and choose series or parallel wiring only after confirming the amplifier's safe operating impedance. An external amplifier, enclosure, and installation wiring are needed for operation; verify mounting clearance before purchase.