Specifications of W8CS pro speaker system The W8CS Flown Subwoofer comprises a special 15" high excursion driver coupled to an efficient mid-bass horn with a sub-bass port. This unique combination gives the W8CS the characteristic punch of a horn-loaded system with the low frequency bass extension of a reflex enclosure.W8CS’ may either be used as full bass subwoofers (up to120Hz) or may be flown as mid-bass sections (60-160Hz) to complement floor standing WSXs.◊The weight is for reference only, please take actual product as the standardModel: W8CS Type:Compact folded bass horn, port assistedFrequency response:45-200Hz +/- 3dBLow frequency limit:-10dB @ 35HzDriver:1 x 15" (380mm) long excursionRated Power:800W into 8 ohms, 3200W peakSensitivity: 105dB/W Maximum SPL:132dB continuous, 138dB peakImpedance:8 ohms nominalConnectors:2 x Neutrik NL8Cabinet construction:Birch PlyCabinet finish:Slate textured paintProtective grille:Perforated steelGrille finish:Grey paintDimensions (inc wheels):(W x H x D)(W) 562mm x (H) 799mm x (D) 925mm(W) 22.1ins x (H) 31.5ins x (D) 36.4insFlown weight: 61kg (134lb). Lid 4kg (9lb) extra