High power sub cabinets constructed from MDF with hard-wearing carpet covering and coated steel grille. Heavy duty bass drivers are fed via a built-in filter network to deliver low resonant bass. Fitted with bass reflex ports, 2 carry handles and top 35mm pole mount socket.Impedance[tab]8 ohms[br]Connectors[tab]SPK, jack & terminalsWoofer[tab]450mm (18'')[br]Power rms[tab]250W[br]Power max.[tab]500W[br]Frequency response[tab]40 - 180Hz[br]SPL @ 1W/1m[tab]103dB[br]Dimensions[tab]675 x 585 x 475mm[br]Weight[tab]24kg