Gravity G8BD2 Dual 8" Powered Ported Subwoofer Enclosure

The Gravity G8BD2 is a self-powered car subwoofer enclosure designed to add low-frequency output without requiring a separate external amplifier. It combines two 8-inch subwoofers, an integrated amplifier, and a ported enclosure in one assembled package. This approach can simplify a bass upgrade for vehicles where adding multiple separate components is less practical.

Rated at 600 watts RMS and 1,200 watts maximum power, the G8BD2 is intended for listeners seeking a more substantial bass foundation from a compact dual-subwoofer layout. Its listed 30 Hz to 1 kHz frequency response covers the low-frequency range commonly handled by a vehicle subwoofer system. The powered design keeps amplification and enclosure components together.

The enclosure uses a ported configuration, which uses an opening in the cabinet to support low-frequency output. This design is paired with a listed enclosure air space of 3.5 cubic feet. The G8BD2 is specified as an enclosed powered subwoofer system for car-audio use.

Heavy-duty MDF construction provides the enclosure structure for the dual-driver assembly. The cabinet measures 26.75 inches wide by 17 inches high by 14 inches deep, so measuring the intended cargo-area location before purchase is important. The listed product weight is 40 pounds.

The G8BD2 can be used with an existing car stereo as part of a complete vehicle-audio upgrade. Because it is an active enclosure, it still requires proper vehicle power, ground, turn-on, and audio-signal connections during installation. Confirm the available mounting space and have the installation planned around the vehicle's electrical and audio-system configuration.

Key Features

• Dual 8-Inch Drivers: Two compact subwoofers are built into one enclosure.
• Integrated Amplification: The enclosure is an active, powered subwoofer system.
• 600W RMS Rating: Provides the listed continuous power rating for the system.
• 1,200W Maximum Power: Provides the listed maximum power-handling figure.
• Ported Cabinet: Uses a vented enclosure design for bass reproduction.
• Heavy-Duty MDF Construction: Provides a rigid cabinet structure for the enclosure.

Design & Installation

The G8BD2 combines two 8-inch subwoofers and integrated amplification in a heavy-duty MDF ported enclosure. Its listed cabinet dimensions are 26.75 x 17 x 14 inches, with a listed weight of 40 pounds. The system is specified with a single voice coil and 8-ohm DC resistance.

Plan installation in a secure, ventilated vehicle location that accommodates the enclosure's full dimensions and allows access for wiring. A proper installation requires vehicle power, ground, remote turn-on, and an audio signal connection; the exact included accessories and connection types are not confirmed. Professional installation is advisable when vehicle wiring, signal integration, or secure mounting is needed.