<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 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 |
| 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 |
| measurement_unit | AVERAGE POWER |
| 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 |