Switch for jumpers

On the N72 where it's jumper selected for impedance, has anyone just wired in a 2 position microswitch for the 300/1200 selection? Just curious...
Support and Feedback for Seventh Circle Kits
http://forums.seventhcircleaudio.com/
http://forums.seventhcircleaudio.com/viewtopic.php?f=3&t=1503