Used Sennheiser CX 95 Style canalphones Earphones 


Specification
Frequency response: 17~22500Hz
Cable length: symmetrical (headphones-splitter: 300mm; splitter-socket: 300mm). 1m headphone extension cable.
Impedance: 16Ω
Total harmonic distortion: below 0.2%
Sound pressure sensitivity: 113dB (1 kHz, 1 Vrms)
Plug: 3.5mm straight stereo gold plug