Need help with speakers Ohms, power, designing a crossover, or more? Here you’ll find my handy audio design calculators to help with many kinds of loudspeaker projects.

Audio calculator sections

## L-pad calculator / tweeter attenuation

#### L Pad Calculator + Speaker Attenuation Guide

Don’t let decibels and Ohms intimidate you. My L-pad calculator simplifies designing an L-pad resistor network for your tweeters. I’ve done the math for you!

#### Reverse L Pad Calculator – Easily Find Attenuation For Tweeters

No guesswork or hard math needed! Easily find the dB attentuation of your tweeter L-pad or resistor network with just the basics. Lots of good info included.

## Speaker crossover calculator

#### Speaker Crossover Calculator + Crossover Building Tips

Don’t know where to start with speaker crossovers? My handy calculator takes the guesswork out of the equation. Create your own great sounding speaker system!

## Speaker Ohms / speaker impedance calculators

#### Speaker Ohms Calculator – Series / Parallel / Series-parallel, speaker power, and more!

Find the total impedance of your speaker system easily! My speaker Ohms calculator can find the total Ohms for series, parallel, and series-parallel wiring.

#### Speaker Zobel Network + Series Notch Filter Calculator

Want the most from your speakers? Use my handy, easy to use Zobel network and series notch filter calculator to tame speaker impedance problems. There’s lots of helpful into here, too!

## Speaker wire size (wire gauge & power loss)

#### Speaker Wire Gauge Calculator + Helpful Wire Info

Get the right speaker wire gauge for your sound system. My calculator takes into account length, wire size, and power loss based on realistic wire parameters.

#### Car Amplifier DC Power Supply Amp Calculator

Want to power your car amplifier at home? Use this AC-DC power supply amp calculator to find the right amperage for your setup easily!