Hi all.  I have some 24/88 FLAC files that I'd like to play on my HifiMan HM-801.   My HM-801 is being a jerk and won't play them.  I don't know if this is by design or a bug in the firmware.  I believe I have the latest firmware.  I thought that I had read the 801 would upsample...

Just recently purchased HM-801 and am really enjoying it.   On occasion, I'd like to use as a DAC with my MacBook Pro (Coax not USB).   I purchased this converter:   http://www.m-audio.com/products/en_us/CO2.html   I've tried several different toslink cables with a mini-optical...