<b>Loud and Clear yet comfortably light</b><br>The OPPO PM-2 Planar Magnetic headphones are characterized by a distillation of the OPPO PM-1’s key acoustic and industrial design features into a more affordable price point. Similar to the OPPO PM-1, the PM-2 is characterized by its natural, dynamic, and engaging sound quality with an emphasis on comfort and reduced weight. The PM-2 uses the same driver as the PM-1, and the same technological breakthroughs are present in the PM-2: the use of a unique 7-layer diaphragm, double-sided spiraling coils, and an FEM-optimized magnet system.<br><br><b>Planar Magnetic Technology</b><br>The OPPO PM-2 utilizes a planar magnetic driver that sets it apart from the majority of headphones on the market.
Sound is generated by a very thin and light diaphragm whose entire surface area is evenly driven. The diaphragm is driven in a symmetric pull-push manner, and the magnetic system and conductor patterns have been optimized for maximum sensitivity and con This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-366-6020, indicating validated use in U.S. government and defense logistics supply chains.
| width | 8.500 INCHES NOMINAL IN |
| length | 11.000 INCHES NOMINAL IN |
| material | GLASS |
| base_color | WHITE |
| usage_form | SHEET |
| design_type | NONREUSABLE |
| specific_use | CONTACT PRINTING |
| body_diameter | 3.594 INCHES NOMINAL IN |
| emulsion_type | BLACK AND WHITE |
| overall_width | 1.187 INCHES NOMINAL1.187 INCHES NOMINAL IN |
| flow_direction | OUTSIDE IN |
| overall_length | 1.687 INCHES NOMINAL1.687 INCHES NOMINAL IN |
| NSN | 5999-01-366-6020 |
| END ITEM IDENTIFICATION | AN/TPX-42TR/P |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.125 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| MATERIAL | GLASS |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| OVERALL WIDTH | 1.187 INCHES NOMINAL1.187 INCHES NOMINAL IN |
| OVERALL LENGTH | 1.687 INCHES NOMINAL1.687 INCHES NOMINAL IN |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.062 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| END ITEM IDENTIFICATION | AN/TPX-42TR/P |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |