None of those connections, sell your CD player and go discless. the sound will be far superior. A LINN DS unit is a much better sounding solution in one box, all controlled from an iPad and get rid of the CD player totally. Files would be sent via CAT5/6 from your PC or NAS and controlled in your listening chair with an iPad. Access all your music at better than CD quality once ripped with dbPoweramp into 24/96 or 24/192 FLAC or WAV files. The LINN Akurate DS will beat out CD players in excess of $10k.