2012 Best Open-Back Headphones
Meet the , Sennheiser's successor to its successful HD 555 open-backed headphones. While it doesn't appear at first glance that Sennheiser changed much in the HD 558, it does provide a decent performance bump from the older headphones, and users who liked the older cans will definitely like the new ones.
|Driver Type||Open-backed dynamic|
|Impedance (at 1 kHz)||50 Ohm|
|Frequency Low||15 Hz|
|Frequency High||28000 Hz|