PC (Foobar)>some USB cable> MF V-Link or Logitech Squeezebox duet (wireless config)>Viablue (male-male) cinch stecker instead digital coax>MHDT Havana DAC>Nordost White Lightning>Sugden A21a>Nordost White Lightning again>Sonus Faber Concertino
Headphones? Koss Porta Pro 4 laptop & enough...