Driver Unit (diameter in mm)9mm Magnet Type (Nd:Neodymium / Fe:Ferrite)Neodymium Impedance (Ohm)14Ω Sensitivity (dB / mW)93dB/mW(at 1KHz) Max. Input (mW)200mW (IEC*) Frequency Response (Hz - kHz)6Hz - 24kHz Cord Length (m / ft.)1.2m Weight (g/oz) without cord14g (net), 2.5g (without cord) MiniPlug (3.5mm in diam.)yes Plug Adaptor (6.3mm in diam.)- Plug (Ni:Nickel / G:Gold)Gold Control/ Micyes Supplied ItemEar Piece(S, M, L) Whats In The Box: Earphones, earpieces S,M,L