Gravity GW-65D4 6.5" Dual 4-Ohm Car Subwoofer

The Gravity GW-65D4 is a compact 6.5-inch car audio subwoofer designed to add dedicated low-frequency output where space is limited. It is intended for vehicle systems that need more bass support than full-range speakers can provide. Its compact format can suit custom enclosures and installations with restricted mounting space.

With a 300-watt RMS power rating and 600-watt peak power rating, the GW-65D4 is built for use with an appropriately matched external amplifier. Its 30 Hz to 500 Hz frequency-response rating covers the bass and upper-bass range commonly handled by a subwoofer. The listed 87 dB sensitivity supports system planning when balancing output with available amplifier power.

This model uses dual 4-ohm voice coils, giving an installer wiring flexibility when matching the subwoofer to an amplifier's supported load range. Correct final impedance depends on the selected series or parallel wiring method and the amplifier being used. Verify the amplifier's stable impedance rating before connecting the subwoofer.

The GW-65D4 uses a competition-grade pressed paper cone and a high-roll foam surround. This combination is designed to support cone movement while keeping the moving assembly controlled. An advanced airflow cooling system is also specified to help manage heat during extended operation.

The Gravity GW-65D4 can be used as part of a compact bass upgrade for a car audio system with a separate amplifier and suitable enclosure. It is a bare component subwoofer rather than a powered subwoofer or complete enclosure package. Match its power handling, dual-voice-coil wiring configuration, and physical mounting requirements to the rest of the installation before purchase.

Key Features

• 6.5-Inch Subwoofer: Compact driver size for bass upgrades where installation space is limited.
• 300W RMS Rating: Supports continuous-power matching with a properly selected external amplifier.
• 600W Peak Rating: Provides a listed short-term maximum power-handling reference.
• Dual 4-Ohm Voice Coils: Allows wiring options to suit compatible mono or multi-channel amplifiers.
• Pressed Paper Cone: Provides the specified competition-grade cone construction for bass reproduction.
• Airflow Cooling System: Helps manage voice-coil heat during sustained listening sessions.

Design & Installation

The GW-65D4 is built around a pressed paper cone, high-roll foam surround, dual voice-coil assembly, and airflow cooling design. These specified materials and features are intended for a compact car audio subwoofer installation. Its 6.5-inch nominal size makes it suitable for systems where a larger subwoofer is impractical.

Use the GW-65D4 with an external amplifier whose power and minimum impedance capability are appropriate for a 300-watt RMS, dual-4-ohm subwoofer. Select an enclosure and mounting location after confirming the available cutout diameter, mounting depth, and enclosure requirements, which are not specified in the confirmed product data. Have the voice coils wired and polarity checked carefully before final system setup.