I have a K3. I do have audio when using SSB. As I stated, I can hear audio through headphones from the computer's speaker port when I key the rig in WSJT-X. Ed ____________________________________________________________ Simple Morning Routine To Melt Belly Fat! tusclics.info http://thirdpartyoffers.juno.com/TGL3141/5d07fb133ca487b135184st01vuc