Sennheiser HD 558 On-ear Headphone Review$179.00
The Sennheiser HD 558s are impressive mid-range headphones.
**2012 Best Open-Back Headphones**
Meet the HD 558, 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.