QSC KS112 
The KS112 is an ultra-compact active subwoofer for installation and highly portable entertainment applications. The KS112 is a highly portable, single 12-inch bandpass design subwoofer, powered by a 2000 Watt peak power Class D amplifier module. The cabinet is constructed of premium birch and includes high-quality, low noise casters.
Two M20 threaded pole receptacles are available for a positive, wobble-free connection to a threaded speaker pole in either vertical or horizontal deployment (pole not included).
 
Features
High Output in an ultra-compact form factor
2000 Watt Class D amplifier module
12-inch, long-excursion driver; 6th order bandpass design
Intrinsic Correction™ tuning and loudspeaker management
Refined, professional appearance looks great in any application
Rugged painted wood enclosure for long life and lasting durability
Deployment in either vertical or horizontal positions with dual M20 speaker pole fittings
Optional KS-LOC security cover prevents unauthorized tampering of controls
Complete EASE & CAD information available online
6-Year Warranty*