QSC AD-S4T-BK 
Features
4.5-inch weather treated woofer; 0.75-inch silk dome tweeter
120° conical DMT coverage
30 watt low-saturation and low-loss 70/100V transformer with 8Ω bypass
Maximum peak SPL 110 dB (8 ohm bypass)
DMT™ (Directivity Matched Transition) ensures smooth, uniform frequency response over the coverage area
X-Mount™ system enables the loudspeaker to be easily installed and deployed at a variety of angles with no slippage over time
Advanced voicing filter sets using QSC Intrinsic Correction™, available through either Q-SYS or CXD amplifier platform
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) or white (RAL 9010)
Complete EASE, CF2, CAD, and BIM information available online