Hifonics BRW8D4 8" Dual 4-Ohm Car Subwoofer

The Hifonics BRW8D4 is an 8-inch component car subwoofer designed to add dedicated low-frequency output to a vehicle audio system. It is intended for installations where full-range speakers need support reproducing bass with greater depth and impact. Because it is a component subwoofer, it must be installed in a suitable enclosure and powered by an external amplifier.

This Brutus-series model uses a dual 4-ohm voice-coil configuration, giving system builders wiring flexibility when matching a compatible mono or multi-channel amplifier. Its 8-inch format can suit compact custom enclosures and vehicles with limited installation space. The final system impedance depends on how the two voice coils are wired and on the amplifier's supported load.

The BRW8D4 is rated at up to 1200 watts peak power. A 2.5-inch vented aluminum voice-coil former is used to help exchange heat during operation. The vented motor and basket design further support airflow around the woofer assembly.

For mechanical control, the subwoofer uses a specialized dual poly-cotton spider with double centering. Its pressure-treated, double-stitched ribbed foam surround is designed to support controlled cone movement. Together, these parts are intended to help the woofer operate with low distortion under appropriate system setup.

A heavy-gauge, powder-coated aluminum die-cast basket provides the structure for the driver assembly. The vented high-energy motor uses dual 70-ounce magnets. This subwoofer is a practical choice for a custom bass upgrade when paired with an appropriately sized enclosure, amplifier, wiring, and crossover settings.

Key Features

• 8-Inch Component Subwoofer: Adds dedicated bass output to a custom car audio system.
• Dual 4-Ohm Voice Coils: Provides wiring options for compatible amplifier loads.
• 1200-Watt Peak Rating: Supports higher-output bass system designs when properly matched.
• 2.5-Inch Vented Voice Coil: Helps the voice-coil assembly exchange heat during use.
• Dual 70-Ounce Magnets: Forms part of the vented high-energy motor assembly.
• Aluminum Die-Cast Basket: Provides a rigid, powder-coated driver frame with back venting.

Design & Installation

The BRW8D4 combines a heavy-gauge, powder-coated aluminum die-cast basket with a vented motor structure. Its suspension includes a double-stitched ribbed foam surround and a dual poly-cotton spider with double centering. The 2.5-inch aluminum voice-coil former is vented to promote heat exchange.

Install this component subwoofer in an enclosure designed for an 8-inch driver; an enclosure is not included. Use an external amplifier that is compatible with the final impedance created by the dual 4-ohm voice coils, and set gain and low-pass crossover controls carefully. Confirm mounting clearance, enclosure design, wiring configuration, and amplifier capability before installation.