The KS212C subwoofer represents the world’s first-in-class single-box active cardioid subwoofer solution for highly portable entertainment and installation applications. 3600 Watt Class D power module, Dual 12-inch long excursion drivers; Dual 6th order band-pass design, 15 dB SPL attenuation front-to-rear, Two M20 threaded sockets (one on top, one on side) accept 35 mm speaker pole, Four low-noise, heavy-duty casters, HxWxD = 24.5-inch x 15.5-inch x 33.5-inch (622 x 394 x 851 mm), Net Weight: 40.1 kg (88.5 lbs)