Install it yourself.
Get it right the first time.

Straight answers on wiring, grounding, gains and speaker installs from someone who has done it in his own garage.

Get the free Tuning KitStart with the basics
Car interior at night with the dash lit up
Gain setting calculatorFind the AC voltage to set your amp with a multimeter. Wire size calculatorPick power and ground gauge for your amp and run. Free test tonesTones and pink noise for setting gains and tuning.

Start with these

See all guides
Diagram of two 2 ohm subwoofers wired to a 4 ohm loadWiringSubwoofer wiring diagrams: how to wire subsSeries, parallel and dual voice coil setups, with the final impedance for each. Amplifier ground wire bolted to bare metalInstallationGrounding amplifiers properlyWhere to ground, how to prep the metal, and how to avoid chasing problems later.
Car speakers popping? How to fix on/off pop Replacing car speakers the right way How to wire car speakers 5 installation mistakes to avoid

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Free: the Tuning Kit

Everything I use to set gains and tune a system, in one folder.

  • Test tones for setting amp gains
  • Amp gain voltage spreadsheet
  • Pink noise tracks
  • A simple way to set up a DSP (PDF)

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