Thank you for your reply that looks like an interesting option. I'm also looking at Xduoo TA-26 which is a very well reviewed headphone amp that also serves as a preamp read of people having good success using it as a preamp.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.