Line out converters

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What are line output converters?

A line output converter lets you connect an amplifier to a factory stereo. In this article, we answer the most common questions about line output converters.

by Crutchfield's Dave D.
Speaker-level inputs or line output converter (LOC)?

Most aftermarket car amplifiers feature speaker-level inputs, so the amps can be used with a factory stereo system. However, many amps aren't capable of handling the complex signals in today's cars. We'll help you figure out when an amp alone isn't enough and which amplifiers are up to the task.

by Crutchfield's Buck P.
Car amplifier installation guide

Here's a step-by-step guide to installing a car amplifier, including how to run the cables through your car and how to wire the amp.

by Crutchfield's Buck P.
Disabling active noise cancellation (ANC) in your car

Active Noise Cancellation (or ANC) is a feature in newer cars that can create problems when you install aftermarket stereo gear, especially a subwoofer. In this article we'll explain what it does and how you can make it stop.

by Crutchfield's Buck P.
Amplifier wire gauge chart

What size of wire should you should use when installing an amplifier? Use our handy wire gauge chart to find out. Without proper wiring, your amplifier can't deliver the power that your speakers need.

by Crutchfield's Buck P.
Amplifier wiring diagrams

These wiring diagrams illustrate how amplifiers connect to your audio system, which will make it easier to shop for the gear you need for the system of your dreams.

by Crutchfield's Buck P.
The keys to better sound with a factory stereo

Newer cars sometimes have limits built into the stereo designed to protect inferior factory equipment. Things like bass limiters and shutdown circuits. Here's how a Crutchfield advisor removed those limitations with a new system.

by Crutchfield's Matt F.
Digital signal processor buying guide

When you can't replace your factory radio but hate the way it sounds, we recommend installing new speakers, an amp, and a digital signal processor. This article explains how a DSP works and what to look for when shopping.

by Crutchfield's Buck P.
Car amplifiers glossary

Car amplifier audio terms - like watts, volts, and efficiency - are explained.

by Crutchfield's Crutchfield Writing Team