Ext mic for Bandit

ROCKETROSSI Registered Users Posts: 1
New Traveler
edited January 25 in TomTom Sports
Not happy with the ext mic one bit. Got tge ETM mic and new sofware and still crackles. Guy on youtube suggests using a resitor in the cable and this seems to work. Did they not test this prouct? Why arent these cables offered at no cost?