Trinity Audio Dual 12" B Series Ported Enclosure 3001-5000 the P300-10T provides focused bass

the P300-10T provides focused bass without requiring a separate sub or amplifier

Basket Type: Cast — rigid frame reduces flex and supports consistent performance under heavy excursions

Tuning: 31 Hz — targets strong low-end extension while preserving midrange clarity and cone control at high SPL

Diameter: 15" woofer diameter for deep bass extension in a large form factor

5 — higher sensitivity means more output at a given power level

Trinity Audio Dual 12" B Series Ported Enclosure 3001-5000 the P300-10T provides focused bassTrinity Audio Dual B Series 12" Ported Enclosure 4. 8 Cu Ft @ 32Hz Engineered specifically for the Trinity Audio B Series 12" subwoofer, this enclosure delivers optimal airspace and tuning for deep, controlled bass response. Enclosure Specifications: Net Volume: 4. 8 cubic feet Tuning: 32 Hz Port Area: 67. 06 sq in Port Size: 14. 499" x 4. 625" Cutout: 11. 22" Construction: 3 4" (18mm) Russian Baltic Birch 13 ply Baffle: Solid 1" (24mm) front baffle