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KNOWLEDGE SIMPLIFIED FOR THE AVERAGE DIY ENTHUSIAST
12V ENCYCLOPEDIA
Your gateway to all the car audio related answers you've
ever wanted. Organized. Factual. Proven. Approved

All The Formulas & The Science
All The Formulas & The Science
From Ohm's Law to Frequency Wavelength & Decibels. Lear the fundamentals so the rest makes sense.
DC/AC: The Full Rundown
DC/AC: The Full Rundown
Starting with the basics of electricity, and moving on to it's respective uses and how it all comes together in mobile audio.
DC 12V Wiring
DC 12V Wiring
Wire Termination Methods, Do's & Dont's, & Best of all, THE definitive debate on OFC vs. CCA - Who do you suppose will win?
RCA - Speaker Wires
RCA - Speaker Wires
How alternating current carries the sound you love to the components you buy. The design, the whys and the why nots of car audio signal delivery.
Subwoofer Tech
Subwoofer Tech
Dive into the wonderful world of what made the car audio industry what it is today; the heartbeat of every system, the SUBWOOFER!
Speaker Tech
Speaker Tech
Are they all the same? Why are there so many variations? What works best for me? Let's deep-dive the the world of automotive speakers!
Amplifier Tech
Amplifier Tech
Class A/B? Class D? Full Bridge? Half Bridge? Built-In DSP? Is it getting to be too much? Nah, it's easy, but we gotta start at the beginning.
Acoustics & Tuning
Acoustics & Tuning
This is where it gets tricky! Not really, learn the spectrum, learn the music, learn what reproduces it, and what can't. Welcome to the world of tuning.
Woofer Enclosure Sorcery
Woofer Enclosure Sorcery
The baffling theories of enclosure design coupled with acoustical theory. We'll make short order of all these orders, PLUS, what the hell is an ABC Box?
Vehicle Acoustics & Damping
Vehicle Acoustics & Damping
The part of your sound system you never knew existed. This murder mystery is where the fun happens, let's KILL some resonances!
Head Unit Technology
Head Unit Technology
From CarPlay to Android Auto, welcome to the wonderful world of aftermarket head units and all the bells and whistles sure to drive you nuts.
OEM Equipment Quirks & Tech
OEM Equipment Quirks & Tech
Keeping that stock head unit, ok, but you should know a few things before your loved ones have you committed. Welcome to the OEM Audio Matrix.
The Art Of Troubleshooting
The Art Of Troubleshooting
Engine noise? Turn-On pop? Static? Amp in protect? We've all been there, but we have answers. Caution, this volume weighs 1,100 pounds...
Pairing Equipment
Pairing Equipment
Which Amp goes with which Speakers? It's a never ending race to get right back where you started. How to make sure your time & money are well spent.
EV Integration
EV Integration
Yup, we went there, it had to happen. And they're still evolving. Get the 411 on all electric vehicles and the do's and don't before you fire one up.