Electro-Voice ELX115 15" Live X Two-Way Loudspeaker Designed for House of Worship, Pro Music, and other applications Built in monitor angle for use as a floor wedge. Nominal Impedance (Passive) - 8 ohms 15 inch woofer and 1.5 inch high-frequency titanium compression driver 50 Hz  20 kHz frequency range 95 dB SPL sensitivity; 134 dB max SPL 400 W continuous and 1600 W peak power handling