, Large Professional 40mm drivers with a 18Hz - 20kHz frequency response reveal every nuance delivering exceptional detail , Mix with confidence thanks to a neutral sound signature and accurate sound reproduction, 32 Ohms, 110 dB SPL/V , Self-adjusting headband and a lightweight design provide exceptional comfort and stylish looks , Excellent isolation with a closed-back design and large circumaural ear cups for a great soundscape , Includes 3.5mm to 1/4'' screw on adapter and 3m cable ,