Performance optimized down fire ported design: Enables deep, net-tuned bass response for high-fidelity sound
59.2 liters of VAS compliance: Provides superior low-frequency output and improved sound quality
L wrap slot port cut: Reduces chuffing and enhances tonal clarity at tuning frequency
Cut-to-fit Kicker CompRT12 driver: Ensures precise fit and secure installation in custom builds
Polyfill and braced construction: Maintains enclosure integrity and supports high power handling
Summarized by Shop
Proline X Performance Optimized Down Fire 12" Ported
59 litres of compliance behind a 3.75 inch motor, and Qms 12.85
1.44 cu ft net
Tuned 32.5 Hz
F3 33.8 Hz
L-wrap slot port
Cut for the Kicker CompRT12
Built in Tennessee
1.44cu ft net
32.5Hz tuning
33.8Hz F3 anechoic
20.3sq in port a