The B&W CM5 S2 Floor Standing Speaker is designed to enhance your audio experience. This single speaker delivers precise and powerful audio by operating at an impedance level of 8 ohms and a sensitivity of 88 dB The frequency response of this speaker ranges from 45 Hz to 50000 Hz and it has a peak power handling capacity of up to 120 watt. Place the CM5 S2 speaker on a bookshelf or stand-mount it and enjoy great music.