TruAudio’s SubTerrain subwoofers are designed to do exactly what its name intends - Be buried in the ground. This form factor allows for the outdoor listening experience to now include deep hearty bass while effortlessly blending into any landscape.

Bigger Volume

Maximum Airflow Port Tube - unique flared design at both ends optimizes airflow to generate maximum sound.

Deeper Bass

Balanced Dual Air Chambers - tuned specifically for its Bandpass enclosure and properly balanced to enhance performance of 10-inch injected poly driver for deep, rumbling bass.

Greater Sound Dispersion

Exclusive Soft Curve Cap - projects sound throughout the surrounding area rather than sending it back into the ground like other underground subs. 2,500+ square foot omnidirectional sound.

Smaller Footprint

Less Than 19-inch Long - Enjoy big, booming sound with the smallest landscape footprint in the industry.