Is it possible to find an Amp that has an audio optical in port in the rear of the box, with a 6.3mm headphone port in the front?     Any recommendations?

Now I am an owner of Sennheiser HD595's for six years now.. They were my second pair of cans and they are still currently active on my head.. until later this afternoon.. I will be recieving my HD598's.. And I am excited. Now I am a sound loving guy just like the rest of you guys but I do not...