Description 25mm MDF Dual 12″ Slot-Ported Subwoofer Enclosure – 4.0 cu.ft Net | 35Hz Tuned This premium dual 12-inch slot-ported subwoofer box is constructed from 25mm high-density MDF, delivering exceptional strength, rigidity, and vibration control for high-output subwoofer systems. Designed for serious performance, this enclosure is built to meet JL Audio W7 box specifications, making it suitable for high-end subwoofers and demanding power levels. With a net internal volume of 4.0 cubic feet (excluding the port) and a 35Hz tuning, the enclosure is optimized for deep, controlled low-frequency bass while maintaining excellent sound quality for daily driving. The slot-port design ensures efficient airflow and strong output with minimal port noise. Key Features & Specifications: Configuration: Dual 12″ subwoofer enclosure Material: 25mm high-density MDF construction Design: Slot-ported for maximum efficiency and output Net Internal Volume: 4.0 cu.ft (excluding port) Tuning Frequency: 35Hz External Dimensions: Width: 100 cm Height: 40 cm Top Depth: 40 cm Bottom Depth: 50 cm Weight: 44 kg Vehicle Fitment: Fits Holden VT–VZ Sedans (between boot struts) Fits Holden VE–VF Sedans Suitable for most medium to large hatchbacks and wagons Subwoofer Compatibility: Built to JL Audio W7 enclosure specifications Ideal for $1,000 high-end subwoofers Designed for high power handling and premium performance SPL Capability: For SPL competitors, the port can be shortened to create a 2.25 cu.ft, 45Hz tuned burp box, offering higher output for competition use Two-Piece Modular Design: Enclosure is constructed in two bolt-together halves, joined through the port Each half weighs approximately 20 kg, allowing for easier postage and handling Modular design allows the box to be inserted through tight boot openings and assembled inside the vehicle Enables single-person installation, saving time and effort This enclosure is a serious solution for enthusiasts seeking both daily sound quality and competition-level flexibility in a strong, vehicle-friendly design.
