Find the right sub for your goals, vehicle, and budget — no more guessing or buying the wrong size.

Get the exact power range your subs need. Prevents blown subs from overpowering or weak bass from underpowering.

Match your mids, highs, or components to the right amp channels — so every speaker gets clean, full power.

Get exact enclosure dimensions, port specs, and a cut list you can take straight to the shop. Wrong box = wrong sound.

Find out if your alternator and battery can handle your amps before you blow a fuse or kill your battery.

Get the correct wire gauge for your amp's current draw and run length. Too-thin wire = heat, voltage drop, and fire risk.

See exactly how to wire your subs to hit the right impedance — with visual diagrams for every common config.

Calculate your total load for series, parallel, or mixed wiring. Wrong impedance = clipping, overheating, or damaged gear.

Set your gain by the numbers instead of by ear. Protects your subs from clipping and gets the cleanest output.

See how loud your system could hit before you build it. Compare box types, sub counts, and vehicle sizes.