The LINE IN has a hardware attenuator so that soundcard outputs won't be set to very low levels. This is to help protect against noise pickup on LINE IN.

If the DXP-38 can't drive the K3 LINE INPUT, then you either need to boost the signal or use a mic input with proper precautions for ground loop isolation, etc. The DXP-38 may have an option via internal jumper to increase its output level. My DXP-38 and its manual are outside my lab at the moment so I can't easily check this.

73,

Lyle KK7P
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