The Fostex TE-05 is their first mid-range inner ear headphone to be added to the growing TE-series. The TE-05 features very high audio performance for its class, and has been thoroughly tuned by Fostex's headphone engineers for exceptional performance. The TE-05 is constructed from machined aluminium housings containing neodymium magnets for powerful bass and brilliant sound reproduction abilities. It is also Fostex's first headphone to feature a detachable MMCX connector, offering easy replacement of the high quality OFC cable should it become damaged. It also allows for upgrading the cable to one with controls for music players and smartphones. TE-05s are supplied in a presentation box containing a handy leather case, with embossed Fostex logo, and 4 buds (XS, S, M, L) for a perfect fit in varying ear sizes.. Type: Dynamic Driver: Driver unit with powerful neodymium magnet Impedance: 13 ohm Sensitivity: 92 dB/mW Maximum Input: 5 mW Reproduction Frequency: 10Hz - 25kHz Cable: 1.2m (detachable MMCX type) Plug: Gold plated 3.5mm stereo mini plug