SPECIFICATIONSModel KKuubbee--11Type Powered SubwooferLF Drive Unit 1 x 200mm (8in.) + 1 x 200mm (8in.) ABRFrequency range 38Hz - 150HzAmplifier 150 Watts built in class D amplifierMaximum Output (SPL) 108dBLow Pass Filter Variable 40Hz - 140Hz, 4th-orderLow Level Signal Inputs RCA phono socketsEnclosure Type Passive radiatorInternal Volume 15.4 litresNet Weight 9.6kg (21.16lbs)Dimensions (H x W x D) 291 x 293 x 293 mm11.5 x 11.5 x 11.5 in.Power Requirements 100 - 240V ac ~, 50 - 60HzPower Consumption 150VAFinish BlackGP Acoustics (UK) Ltd., Eccleston Road,Tovil, Maidstone, Kent ME15 6QP U.K. Tel: + 44 (0)1622 672261 Fax: + 44 (0)1622 750653GP Acoustics (US) Inc., 10 Timber Lane, Marlboro, New Jersey 07746 U.S.A. Tel: +(1) 732 683 2356 Fax: +(1) 732 683 2358GP Acoustics GmbH, Heinrichstraße 51, D-44536 Lünen, Deutschland. Tel: +49 (0) 231 9860-320 Fax: +49 (0) 231 9860-330GP Acoustics (France) SAS, 39 Rue des Granges Galand - BP414, 37554 Saint Avertin CEDEX, France. Tel : +33(0)2 47 80 49 01 Fax : +33(0)2 47 27 89 64GP Acoustics (HK) Limited, 6F, Gold Peak Building, 30 Kwai Wing road, Kwai Chung, N.T., Hong Kong. Tel: +85 (0) 2410 8188 Fax: +85 (0) 2401 0754www.kef.comGP Acoustics reserve the right, in line with continuous research and development, to amend or change specifications without prior notice. E. & O.E.