Oppo PM-2 planar magnetic headphones review: As exquisite as they are expensive

The Oppo PM-2 are all-around spectacular headphones, as well they should be considering their $699 price tag. These cans deliver an uncolored, neutral, and engaging musical presentation with an uncanny knack of revealing the finest details from just about any musical source. While you can drive them with a smartphone, you’ll be duly rewarded by pairing