Brand Name: Electro-Voice
Model Number:ELX115
Descriptions:
A powerful step up from the ELX112, the ELX115 features a 15” woofer that delivers extended low-frequency response for bigger sound in larger rooms.
Constructed of 9-ply, 15mm plywood with internal internally bracing, the ELX115P is sturdy yet completely portable. It has built-in side handles for to make setup, breakdown, & transport easier, can be pole mounted for stacking it on top of a acoustically matched Live X series sub, & has a 60° angled design so you can also use it as a floor monitor as well.
Features:
More power, fuller sound for larger rooms
EVS-15K woofer 
1.5-inch DH-1K titanium HF compression driver
50 Hz – 20 kHz frequency range
90° x 50° coverage-pattern waveguide 
60° Monitor Angle
134 dB max SPL
Power handling: 400 W continuous, 1600 W peak 
Braced 15mm plywood enclosure
Pole mount or stack with Live X Subwoofers
Black textured finish