describe

SpeakerCraft SC-BT-12 12” (300mm) Boom Tomb In-Ground Subwoofer has a waterproof HDPE housing made from the same material as municipal water lines and includes a high flow port design where the port and canopy assembly are in a 360 degree pattern Evenly distributes moving air, reducing air turbulence and eliminating annoying port noise. The woofer magnets are located on the vented side of the enclosure, allowing it to be cooled by airflow in and out of the enclosure, extending the life of the motor structure. The port assembly is constructed of aluminum A mesh grille overlay allows for unrestricted airflow while keeping bugs, animals and debris out.

Features
12” (300mm) Mica-Infused Polypropylene Cone Woofer with NBR Surround Sound
Waterproof HDPE Enclosure
Buried Enclosure with Insect Port Assembly
Optimized for OG-4 or OG-6 Lateral Speaker
Sensitivity: 86dB
Frequency Response: 28Hz-120Hz +/- 3dB
Power Handling: Up to 500W
Nominal Impedance: 8 Ohms

System diagram