If you have Astell&Kern SP2000 / SP1000 / SE100 / SE200 then Please buy this Large size edition.

Handmade MITER carrying case for Digital Audio Player + 2 IEM earphones
Hand crafted by Superior craftsmanship.
Protects from Shocks and Fingerprints and Scratches
Magnetic cover and Elastic band securely close and Separate compartments help to carry IEM earphones and a Player.

Made in South Korea
Material : PU Synthetic Italy Leather, Suede.
Carrying Case Dimension : 97mm(3.80inch) * 173mm(6.8inch) * 69mm(2.7inch)
Maximum Digital Audio Player Size : 78mm(3.07inch) * 156mm(6.14inch) * 26mm(1.02inch)
Package Includes : 1 Standing Case, 1 Hard Cover, 1 Chamude Pouch, 1 E-Band, 2 Stoppers

This DAP+earphone carrying case doesn't support Astell&kern Kann Cube or iBasso DX220 Max.