CEDIA 2015: Astell&Kern Debuts New AK500 Series Home Networked Media Player October 16, 2015 | Home / October 16, 2015 rave-video / CEDIA 2015: Astell&Kern Debuts New AK500 Series Home Networked Media Player CEDIA 2015: Astell&Kern Debuts New AK500 Series Home Networked Media Player