in my brothers truck it was all of the above , but in my car it was extreme lows but the higher bass got a little muddy due to all of my leather and other deadening material between the cabin and trunk. Its a higher end buick so its got a lot of insulation between the cabin and trunk. not to mention the flapping noise of the leather seat with all that air pressure being forced through it. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
All in all though i guarantee you will be impressed with them.