QSC AD-S112-SW-BK 
Features
12-inch weather treated woofer
TFR™ (Turbulent Flow Reduction) port provides optimal resonant tuning and high velocity air flow
Maximum peak SPL 121 dB
Suggested filter points: 32 Hz high-pass, 24 dB/octave Butterworth; 100 Hz low-pass, 24 dB/octave Butterworth
Included YMS12 yoke mount maximizes boundary plane coupling while reducing vibration transmission
Optional M10 Kit-C for additional installation versatility
Lightweight ABS enclosures offer long-term durability and lasting good looks
Sealed input panel cover and powder coated aluminum grilles for added weather resistance
Meets IEC60529 IP-54 for dust and splash resistance
Available in black (RAL 9011)
Complete EASE, CF2, CAD, and BIM information available online