Sennheiser Audiophile Ear Canal Headphones
Connectivity Technology: Wired
Dynamic linear-phase 7mm transducer delivers extremely wide frequency response (8-41,000 Hz (-3 dB), 5-46,500 Hz (-10 dB))
The precision ceramic housing features attenuated dual-chamber absorber (D2CA) to deliver extremely low harmonic distortion even at high output levels (< 0.06% (1 kHz, 94 dB)).