Audeze B-stock @ Amazon with full 2 year manufacturer's warranty.
Audeze Sine DX w/ Cipher Lightning Cable -- $279 -- https://www.amazon.com/Audeze-Headphone-Cipher-Lightning-B-Stock/dp/B07J2VVLTY
Audeze iSine 20 IEM w/ Standard Cable -- $349 -- https://www.amazon.com/Audeze-iSINE20-Semi-Open-Headphone-Standard/dp/B01MR6XW0H/
Audeze LCD-X -- $1359.20 -- https://www.amazon.com/Audeze-LCD-X-Headphone-Leather-B-Stock/dp/B07DKWF716/
I clicked on the sine DX but I'm not sure if its actually the DX...Box looks like Sine Closed.