KEF Q 400 Subwoofer

Model :Q400
Design :Closed-box subwoofer
Drive Units :1 x 250mm (10in.)
Frequency Response :3dB 28Hz - 140Hz
Amplifier :200W built-in Class-D
Maximum output (SPL) :110dB
Low pass filter variable :40Hz - 140Hz, 4th-order
Low level signal inputs :RCA phono sockets
Speaker level inputs
Internal volume :23.2 litres
Power requirements :100 - 240V ac ~ 50/60Hz
Power consumption :200VA