Introduction I was able to demo the PM-3 for a week as part of OPPO's loaner program. This is the second OPPO loaner I've tried (also auditioned the PM-1), and once again I'd like to thank Chris and the good people at OPPO for organizing this opportunity!   The PM-3 is the least expensive of OPPO's three headphone offerings. With its closed-back design and high sensitivity, the PM-3 appears to be targeted for mobile use. What makes it unique compared to other mobile offerings is the fact that it uses a planar magnetic driver. What does that mean...

Introduction I recently participated in the OPPO PM-1 loaner program -- many thanks to Chris and the folks at OPPO for providing this wonderful opportunity! I was able to demo the PM-1 headphones at home and at work for the past week, and it was a great experience.   I'll forego a long introduction to these headphones -- if you're reading this review, you probably already know that the PM-1 is OPPO's current flagship headphone and represents their unique take on planar magnetic technology in an open-back design. The PM-1 departs from the other...