keep_hope_alive Premium Member Acoustics Engineer 7,542 311 Quad Cities, IL Jan 20, 2012 #16 Headliner would absorb above 10kHz Ear level works in some cars, but halfway between ear level and the dash can also work well. Each vehicle is different. You can test with Velcro. 1
Headliner would absorb above 10kHz Ear level works in some cars, but halfway between ear level and the dash can also work well. Each vehicle is different. You can test with Velcro.