The Boston Acoustics G112-44 is a 12-inch subwoofer driver designed for use in small sealed or ported enclosures. It features a long-excursion construction with a wide foam rubber surround and a 2-inch, 4-layer voice coil. This driver handles 200 W RMS and up to 400 W max power, utilizing a RadialVent cooling system to manage heat. Its dual 4-ohm impedance configuration is supported by the SureSet system, which allows users to choose between series or parallel connections. Technical specifications include a resonant frequency (Fs) of 26 Hz, a Vas of 112 liters, a Qts of 0.54, and a speaker displacement of 1.9 liters.