QSC KS212C – 3600W Dual 12" Cardioid Subwoofer

QSC KS212C – 3600W Dual 12" Cardioid Subwoofer

The QSC KS212C is a groundbreaking single-box powered cardioid subwoofer, delivering exceptional low-frequency performance while minimizing unwanted bass behind the unit. Ideal for mobile entertainers, AV professionals, and performance venues, it ensures tight, controlled bass without the complexity of traditional cardioid setups.

Key Features:

Power Output: 3600W Class D amplifier (2 × 1800W peak)

Drivers: Dual 12" long-excursion woofers in a 6th-order bandpass design

Cardioid Design: 15 dB SPL attenuation from front to rear, reducing stage noise

Frequency Response: 44 Hz – 104 Hz (-6 dB); 39 Hz – 118 Hz (-10 dB)

Max SPL: 132 dB peak @ 1m

Connectivity: 2 × XLR/TRS combo inputs; 2 × XLR loop-thru outputs

Mounting Options: Dual M20 threaded pole sockets (top and side) for vertical or horizontal deployment

Portability: Durable 15mm birch plywood enclosure with four heavy-duty casters and aluminum handles

Dimensions: 24.5" × 15.5" × 33.5"; Weight: 88.5 lbs (40.1 kg)