Best Rockford Fosgate subwoofers
The Punch name has meant car bass for four decades; its loaded enclosures make trunk bass a one-box job.
Rockford Fosgate · 12″ sealed · ~$390
Rockford Fosgate P300-12
The one-box trunk answer: a 12-inch driver, 300-watt amp, and sealed wedge cabinet in a single unit — no amp shopping, no enclosure math.