What is a more accurate reading?

[Mr. Opportunist 10+ year member]

and never with the ac that ads 3db to actual score //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 

[audiolife 5,000+ posts]

most of the time its 4" off (above) the dash 1 foot inside the passenger side a pillar with a mic the tl sensors appear to be the same but suction cupped to the windshield. tl sensor is a box where as the ac uses a weird looking mic but you can still tell its a mic