Single 15-inch Rectangular Bass-Reflex In-Vehicle Subwoofer Box - 85 L / 32 Hz - 635 × 495 × 445 mm

This Vented / Bass-Reflex enclosure is designed for a single 15-inch rectangular subwoofer, featuring an 85 L chamber tuned to 32 Hz. Constructed from 16 mm (5/8 inch) material with a simple rectangle shape, the external dimensions are 635 × 495 × 445 mm (25 × 19.51 × 17.56 in). One internal brace reinforces the cabinet and reduces panel vibration, making it suitable for high-output subwoofer systems. The design utilizes one L-shaped slot port with an area suitable for high-output, large-excursion drivers and SPL-oriented use with high airflow demand. Whether used as a general-purpose home subwoofer for music and stereo systems or for everyday car audio where trunk space and installation constraints are key, it provides a balanced sound with excellent bass extension and low distortion.