Eplacement QSC 18 1000-Watt 8 Ohms Sub Woofer Speaker. QSC HPR – 181i ; QSC HPR 181w ; SP-000080-GP ; QSC KW 181 ; QSC XD-000005-00. Nominal diameter – 457mm / 18in. Nominal impedance – 8 Ohms. Frequency range – 30-2500Hz. Voice coil diameter – 100mm/4in. Chassis type – Cast aluminium. Magnet type – Ferrite. […]... Read More