Single 12-inch Vented / Bass-Reflex Subwoofer Enclosure - 40 L / 33 Hz

Designed for a single 12-inch round subwoofer, this Vented / Bass-Reflex enclosure features a 40 L chamber tuned to 33 Hz via one L-shaped slot port. Built from 16 mm (5/8 inch) material in a simple rectangle shape, the external dimensions measure 582 × 359 × 323 mm (22.88 × 14.14 × 12.73 in). One internal brace reinforces the cabinet to reduce panel vibration, making it ideal for high-output subwoofer systems. The port area is specifically suited for high-output drivers with increased cone excursion and airflow demand. This design balances bass extension, size, and low distortion, making it perfect for general-purpose home stereo systems or everyday car-audio use where trunk space and balanced sound are key.