Beyerdynamic DT 1770 PRO Closed System Studio Monitoring Headphone, BlackStore Name: Jurong East Product Condition: Used Condition: Condition like new Additional details: No box as shown in the pics Expiry date: Nil Warranty date: 30 day in house Serial No: Nil Description: Brand Beyerdynamic Colour Black Ear placement Over Ear Form factor Over Ear Impedance 250 Ohm Noise control Sound Isolation Frequency response 35 Hz Sensitivity 102 dB Headphone jack 3. 5 mm Jack Model name DT 1770 About this item Rugged headband made