Part of Electro-Voice"s Live X series of portable powered and passive loudspeakers, the ELX118 can be used with a wide range of amplifiers, due to its exceptionally efficient design and power handling capability. Designed with the latest Electro-Voice-engineered woofer and 1.5" titanium compression driver, the ELX118 18" passive subwoofer provides exceptional audio quality with 400W power handling (1600W peak), exceptional SPL output, and a 50Hz-100Hz frequency response. The ELX118 is constructed of 9-ply, 15mm plywood, and is internally braced, making it sturdy yet completely portable. It has built-in side handles for transport, and pole mount for mounting other speakers from the Live X series on top.