OPPO RELEASES PM-3 CLOSED-BACK
March 3, 2015 Comments Off on OPPO RELEASES PM-3 CLOSED-BACK
http://goo.gl/q9VqJO Read Here
“The OPPO PM-3 utilizes a planar magnetic driver that is derived from the EISA award-winning PM-1 headphones. Technological breakthroughs achieved during the PM-1’s development, such as the 7-layer double-side voice coil diaphragm design and FEM-optimized neodymium magnet system, have enabled OPPO to reduce the weight of the planar magnetic drivers while maintaining excellent sound quality and high sensitivity”
Audiophilepure 
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