I had a couple amps and a couple subs installed recently. Actually, the install started about a week and a half ago, I finally got the X back. I am very, very pleased with the results. I purchased the following
• Alpine 4-channel amp to power the component speakers;
• Alpine 2-channel amp to power the subs;
• 2 10" Alpine Type R series subs;
• and had the subs installed in the rear cargo doors.
The subs sound great, the doors sealed off nicely, and there are very few rattles. Even when listening for rattles on the outside of the X I can't hear any obvious ones. I always laugh at the vehicles that drive by and emit more rattles than actual music, so this was a concern of mine, particularly because of the latching assembly for the rear doors. It's holding up very nicely!
I still am using the factory 5x7 speakers which are decent, but nothing spectacular. Definitely the best speakers that have come in from the factory from Ford. These will get replaced sometime in the future, though.
Check out my pics I have online by viewing the link in my signature below.
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-Eric
2000 Excursion Limited, PSD, black, fully loaded, Western Diesel chip, Viper 550 alarm w/ remote start, Alpine CVA-1005 6.5" head unit, Alpine DVA-5200 DVD player, Alpine CHA-1214 12-disc CD changer, Alpine MRV-T757 2-channel amp, Alpine MRV-F407 4-channel amp, 2 Alpine Type-R series subs (SWR-1040D), subs mounted in rear cargo doors, 21% tint all around