dB Technologies Opera 512 dx Aktiv 12"/1" Multi Purpose Loudspeaker with 400 W Digital Amplifier, 59Hz - 20 kHz, 126dB SPL Max, 60°x 65-80°, XLR/1/4" Jack Input (Mic/Linelevel Switch), dimensions 432 x 655 x 353mm, weight 15,8 Kg