KEF 10' 300W Subwoofer. 1x 250mm driver. 24~140Hz. 111dB. RCA phono KEF 10'' 300W Subwoofer. 1x 250mm driver. 24~140Hz. 111dB. RCA phono sockets. Speaker level inputs. Colour Black APRIL PROMO Get 1x DRAGONFLY-RED