Birch Single 10" Ported Subwoofer Enclosure for Sundown v4 NS Series — 1.5 cu ft, 21.96 sq in Port

Purpose-built ported enclosure designed for a single 10-inch Sundown v4 NS Series subwoofer to deliver accurate, punchy low-end performance. Net internal volume: 1.5 cubic feet — a compact enclosure that preserves tight, clean bass response. Port area: 21.96 square inches, engineered for efficient airflow and reduced distortion. Constructed from birch and finished with a sleek, durable coating for a refined, professional appearance.