Denon Japan has recently rolled out the AH-C710 ear canal earphones exclusively for the Japanese market. These high-end earphones are made using vibration proof metal and hybrid plastic compound which suppresses unwanted vibrations. The Denon AH-C710 also supports a playback frequency of 5Hz – 25kHz, a sensitivity of 110dB/mW and zimpedance of 16-Ohm. Available in black or silver, the Denon AH-C710 retails for 15,000 Yen ($165).
[Denon]
