Hank, The correct level depends on your microphone, your voice, and your shack. Put the K3 into TX TEST and talk into the mic - increase the mic gain until your voice peaks produce 7 bars on the ALC scale. 73, Don W3FPR hsa0210 wrote: > Hi all. Can you please tell me the recommended MIC Input Level? > > 73, Hank WB4ROA > >