KEF Ci4100QL THX Select2 Certified In-Wall Speaker (Each) KEFB1 you can count on the

you can count on the new HD 450BT to be your ultimate companion for wireless audio – whatever you listen to

Sensitivity 89 dB

Sophisticated 50Mhz High Resolution Analog Devices Audio DSP is the most advanced digital Processor ever used in a subwoofer and maintains pinpoint accuracy and pristine sound quality through advanced in-room tuning

Voice-Focus directional flip-up boom microphone

KEF Ci4100QL THX Select2 Certified In-Wall Speaker (Each) KEFB1 you can count on thePrice Match Guarantee KEF Ci4100QL THX Select2 Certified In Wall Speaker (Each) Featuring KEFs sophisticated sit anywhere Uni Q driver array, which places the tweeter in the acoustic centre of the bass midrange cone, this allows both the tweeter and woofer to act as a single point source that disperses the sound widely and evenly throughout the room. Together with the discreet Ultra Thin Bezel (UTB) design, offering the slimmest possible visible rim