Jerry: >It occurs to me that integrating the amp and the 150W tuner may create a >problem if one has the KAT2 installed in the K2. Both tuners are controlled >from TUNE. This should NOT be a concern. The K2's firmware will recognize that the KAT100 is installed and will disable the KAT2 until the KAT100 has been disconnected from the system. 73, Tom Hammond N0SS