TURBOSOUND POWERED SUBWOOFER iQ18B 3000 Watt 18" Powered Subwoofer with KLARK TEKNIK DSP Technology, Speaker Modelling and ULTRANET Networking Front loaded powered subwoofer for portable PA and installation applications 3, 000 Watt power featuring KLARK TEKNIK Class-D technology KLARK TEKNIK Digital Signal Processing for total system control Speaker modelling includes accurate models of industry standard speakers ULTRANET digital audio networking connects to mixers and other sources High excursion 18" low frequency driver with 4" voice coil and double suspension Fully featured user interface with LCD display for ease of navigation PC remote control software downloadable at turbosound.com Birch plywood enclosure with hard wearing semi matt black paint finish Rugged powder coated perforated steel mesh grille 35 mm pole mount to support satellite speaker Plated steel castors with rubber tyres Mains input and link output on Neutrik powerCON* connectors 3-Year Warranty Program* Designed and engineered in the U.K.