1 x 12" (305 mm) high-excursion woofer with 4" (102 mm) voice-coil and 400 W long-term power rating provides high SPL with fast transient response
Bose Part # 40173
Front-loaded tapered transmission line design provides peakfree extended low-frequency response, and reduces port turbulence distortion
Low-frequency reinforcement for Bose LT arrays and other subwoofer applications that require 40 - 280 Hz bass response