SOLD SOLD The Senn/Drop HD6XX were used regularly for a couple of months and then barely used for a year. Comes with original box, which I know is exciting. Asking 145 shipped in CONUS. The Cayin N3Pro is in good condition except the screen protector which is bunched in the corners. Also has one very small paint ding in the upper right corner. Picture available upon request. Includes the standard green leather case. Comes with original packaging, but no stock USB C cable. Asking 320 shipped in CONUS.