JBL VTX-F15 Bi-Amplified 2-Way System - 15inThe VTX F series is a line of multi purpose loudspeakers designed to give sound production companies a variety of flexible options for deploying high quality audio, either as a stand alone FOH system, a satellite and subwoofer system (with companion VTX F18S), or on stage floor monitor and fill speaker. Features D2430K D2 Dual Diaphragm Dual Driver Progressive Transition Waveguide (90 x 50) Bi Amplified 2 Way System BSS Audio OmniDriveHD V5 Processing