Casti Bowers Wilkins C5 S2

C5 Series 2 takes in-ear sound quality to new heights, thanks to ingenious design features and some subtle improvements in small-scale drive unit technology. C5 Series 2 retains the Secure Loop design of its predecessor, keeping the headphones snugly and securely in your ears. Other design features include a choice of three sizes of ear buds, enhancing comfort and noise isolation. Featuring a redesigned 9.2mm dynamic driver, these headphones deliver bass thats powerful yet controlled, resulting in a more natural, open and detailed sound. Secure Loop An ingenious cushioned loop expands to fit around the inner ridge of your ear, anchoring your headphones securely in place. Comfort-fit ear buds C5 Series 2s soft silicone ear buds come in a choice of three different sizes. So theyll feel snug and keep external noise to a minimum, no matter what size your ears are. Made for iPhone C5 Series 2s Made-for-iPhone cable allows you to control your music remotely, and switch seamlessly between listening to music and making calls. Model C5 Series 2 Description In-Ear Headphone Technical features Secure loopMicro porous filterCCAW coil Inputs 3.5mm stereo mini jack Drive units 2x 9.2mm (0.4in) full range Frequency range 10Hz to 20kHz Impedance 32 ohms Distortion (THD)