Oppo Pm 1 Headphones Review
Nearly every pair of headphones, every set of headphones ever made, works on the same basic principle. They are dynamic microphones working in reverse, miniature loudspeakers with diaphragms that vibrate in tune with the music, set in motion by an attached coil of wire moving within a ring magnet. Not so these OPPO PM-1 headphones, which create acoustic vibrations in air – the very sound of music – by the planar magnetic principle....