Welcome to DIYAudioguy.com!

Learn all about car and home audio!

click here for Behind the scenes content!

Series-Parallel Calculator

Learn how to configure subwoofers with multiple voice coils!

Car Audio Power Wire Calculator

Is your power wire big enough? Click to find out.

Port Calculator

Is your port long enough? Click to find out!

Pre-Made Plans

Affordable Pre-Made Subwoofer Enclosure Plans. So you can DIY your own subwoofer.

Custom Speaker Plans

Complete plans, based on computer modeling, including a cut list, dimensions, plus 2D and 3D images from multiple angles. Designed to be easy to cut and assemble.

Preferred Vendors

Get the best deals on the best stuff from these affiliates (I may earn a commission if you make a purchase).

Crutchfield

The best place for head units and door speakers.

Down4Sound

The best place to get basshead gear!

Savard Speaker Systems

Use the discount code DIYAudio to save 7%.

Parts Express

Use the discount code DIY5 to save 5%.

CustomSpeaker Pods.com

Custom door pods the easy way! Use the discount code DIYAG to save 10%.

Battery Hookup

Use the code DIYAudio for 5% off.

JAG 35

Save 10% on all things battery at Jag3 5 with the code DIYAUDIO

Amped Up Car Audio!

Unique brands like Incriminator Audio and Stereo Integrity.

Designer MotorSports

Your home for Massive Audio and American Bass.

Carbide 3D

All things CNC!

Advertising Opportunities

Would you like to get your product or your brand in front of 100,000 people? You can do anything from a simple product placement all the way up to a sponsored product reviews.