This is from Electrovoice’s top of the range portable speakers series and is matched with the EV ETX18SP sub. The speaker has a 1.25″ HF driver, 15″ LF woofer, produces a max 135dB SPL all powered by a 200W class-D power amp. There is a built in DSP with several EQ and crossover settings depending on what you are using the speaker for.