Mach Audio System | Ford Expedition Forum wwwditionforum›Ford Expedition Forum›ElectricalNov 10, 2010Ford Expedition Forum. Forums > Ford Expedition Forum > Electrical > Mach Audio System Discussion in 'Electrical' started by stuntmanisme, Jan 10, 2006. Page 1 of 3 1 2 3 Next > Jan 10, 2006 at 5:08 PM #1. Does anyone know the specs on the Mach Audio System, like ohms and watts per channel and the subs size and watts, and amp location SOLVED: I've got a 1999 ford expedition with the Mach - Fixya wwwa››Ford›Expedition›1998 Ford ExpeditionJun 21, 2010I've got a 1999 ford expedition with the Mach radio system in it and it does not have any bass playing thru the front or back speakers and i've changed out the factory amp thats in the back where the sub is. The treble works fine and the speakers sound good just no bass what-so-ever THANKS!!!!!
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