Car audio & accessories, explained
Upgrade your car’s sound and gear the right way.
Clear guides to stereos, speakers, amps, subwoofers and cameras: what fits your car, how to wire it and how to fix it when it goes quiet.
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Explore Car Audio Guides
Pick a topic for install steps, wiring help and buying advice.
Car Stereos & Head Units
Single vs double DIN, Bluetooth, CarPlay and steering wheel controls.
Explore topic →02Car Speakers
Sizes, fit, component vs coaxial and speaker wiring explained.
Explore topic →03Amplifiers & Wiring
Amp kits, fuses, gain setting and protect-mode fixes.
Explore topic →04Subwoofers & Bass
Box types, sizing, wiring and tuning for clean bass.
Explore topic →05Dash Cams
Mounting, hardwiring, parking mode and recording problems.
Explore topic →06Backup Cameras
Adding a reverse camera to factory and aftermarket screens.
Explore topic →Featured reading
Start Here: Popular Upgrade Guides
The upgrades drivers ask about most, explained step by step.
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Parking Mode Dash Cam: How It Works and How to Use It
Parking mode keeps a dash cam recording after you park, but it only works well with the right power source, trigger mode,…
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Amp Grounding: How to Do It Right and Fix Problems?
Ground your amp to bare chassis metal near the amplifier, match ground wire gauge to the power cable, and confirm less than…
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Rearview Mirror Monitor: How to Choose and Install
Match a rearview mirror monitor to your vehicle by mount style, screen size, and input count, then follow the right wiring and…
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Subwoofer Impedance Explained for Car Audio
Choose the subwoofer coil and wiring setup that matches your amp’s stable load. Covers voice coils, series and parallel wiring, and final…
From the blog
Latest Car Audio Articles
New guides on stereos, speakers, amps and cameras.
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Does Size of Speaker Matter in a Car?
Speaker size changes bass, dispersion, and fit, but the right size is the one that matches…
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How to Test Speaker Polarity with a Test Tone
Use a mono 60–100 Hz test tone and compare in-phase versus inverted playback at a centered…
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How to Install a Rear Dash Cam in a Car
Mount the rear camera high and centered, route the cable along factory trim, and keep it…
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License Plate Frame Camera vs Bracket Camera: Which Fits Better?
A license plate frame camera fits best on flat, centered plate recesses with enough clearance; a…
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What Gauge Wire Should You Use for an Amp Turn on Wire?
Use 18 AWG for most amp turn-on leads; move to 16 AWG for long runs, tight…
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How to Set Subwoofer Phase by Ear in Your Car
Use a 50–80 Hz bass track, flip the phase setting, and keep the one that sounds…
Recent Guides
- Parking Mode Dash Cam: How It Works and How to Use It
- Amp Grounding: How to Do It Right and Fix Problems?
- Rearview Mirror Monitor: How to Choose and Install
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