Most people start their car audio upgrade by buying the most expensive speakers they can afford. Then they're disappointed when they sound barely better than stock.

Here's the thing — your stock head unit is the bottleneck, not your speakers.

Factory head units send a weak, compressed signal. Even $500 component speakers can't fix a bad source. The upgrade order that actually matters:

1. Head unit or DSP first — Clean signal is everything

2. Amp second — Give your speakers the power they need

3. Speakers third — Now they can actually perform

4. Sound deadening — Kill the road noise stealing your bass

The other mistake? Buying gear that doesn't actually fit your car. A 6.5" speaker doesn't fit every 6.5" opening — mounting depth, basket shape, and harness connectors all vary by vehicle.

That's exactly why I built AudioFit — enter your year, make, model, and trim and see exactly what fits and what upgrades are worth your money. No more guessing, no more returns.