Product typePA subwooferTypePassiveLow/mid driver dimensions2 x 18 "Woofer size2 x 457 mmWoofer magnetFerriteWoofer brandCustom-madeWoofer voice coil4 "Woofer voice coil (mm)101.6 mmLoad rating (RMS)1600 WFrequency response38 - 200 HzSPL (1W/1m)100 dBMax. SPL132 dBImpedance4 Ohm(s)Loudspeaker inputs1Speaker input connectionsSpeakonLoudspeaker outputs1Speaker output connectionsSpeakonCabinet material18 mm Birch PlywoodCabinet surfaceDura Coat LX Texture PaintCabinet constructionBass ReflexWidth762 mmHeight552 mmDepth1067 mmWeight86 kgFeaturesSteel handles, Transport casters