If that's the case, I think it still sounds better than other trucks I've owned that didn't have HD either. Strange...
no hissing, popping, fading...static under power lines...etc..
It sounds clear as a CD to me
14 F-150 XLT 4X4 Screw Eco, 08 Mustang GT 500, 03 Mustang GT Vert
13 F-150 FX4 Screw Eco - Sold
13 F-150 Lariat Screw Eco - Sold
04 F-150 Roush FX4 Screw - Sold, 99 F-150 Sport - Sold, 02 F-150 XLT FX4 Scab - Sold