Sennheiser HD 6XX HD 650 Limited Edition Massdrop Headphones ————- Contents: Headphones, Case, retail box. Used Tested Working Condition. Mint - In Very Good Condition. ————- In the HD 650, audiophiles will experience truly unique natural sound. With sound this good, long concerts in the comfort of your home are a certainty, so the HD 650 also sets standards in comfort and convenience. The HD 650 is a genuine masterpiece, which will satisfy even the most demanding listener. Features Hand-selected matched driver elements High power neodymium mag