Learn about Amplifiers
Car Amplifier Shopping Guide
Ken Nail— 6/19/2008
If you want your music to be loud, amplifiers are definitely part of the picture. But an amp can do much more than just get other people's attention.
Video: Car Amplifier Channels
Zak Billmeier, Ken Nail— 11/17/2009
One of the first steps in choosing an amplifier for your car audio system is to decide how you intend to use the amplifier, and thus how many channels it should have. This short video gives you a quick overview to help answer that question.
Video: Car Amplifier Power
Zak Billmeier, Ken Nail— 9/2/2009
We describe the basics of deciding how much power an amplifier should have when you're trying to match it to your speakers or subwoofers.
Video: Car Amplifier Build Quality
Zak Billmeier, Ken Nail— 9/2/2009
If you can get the same amount of power from two different amplifiers, is there any reason to buy the higher-priced amp? What are you getting for that extra money? We'll discuss the differences in build quality and performance between lower-priced amplifiers and more-expensive options.
Video: Car Amplifier Features
Zak Billmeier, Ken Nail— 9/8/2009
This short video describes some of the common features you should look for when you're shopping for an amplifier for your car audio system. Not every amplifier will have all of these features, so make sure the amp that you get has the ones you need.
Video: Installing A Car Amplifier
Crutchfield Writing Team— 6/23/2008
Watch a brief video to get an overview of what's involved in installing an amp in a vehicle.
Matching Subs & Amps
Ken Nail— 5/25/2008
Confused about wiring your subs, and picking the right amplifier? Ken Nail will get you on the fast track to big bass with this simple guide.
Video: Amplifier Wiring Kits
Robert Ferency-Viars— 10/7/2009
Good amplifier wiring is an essential part in making your amplifier - and your music - sound its best. In this video, we describe what you can expect in a wiring kit and what else you'll need for a basic amplifier installation. We'll also tell you about how Crutchfield helps you budget your system.
General Amplifier Installation Tips
Crutchfield Writing Team— 6/16/2003
Every vehicle is different, so you may encounter problems that differ from the installation that we've just described. Here are a few tips to keep in mind as you plan your amp installation.
Amplifier Installation Guide
Crutchfield Writing Team— 7/15/2008
Step-by-step guide to amplifier installation.
Subwoofer Wiring Diagrams
Buck Pomerantz— 2/9/2007
With the wide variety of subwoofers available, it's easy to get confused about the best way to wire up your system. These wiring diagrams will help you find the configuration that'll get the most out of your subs and your amplifier.
Amplifier Wiring Diagram
Crutchfield Writing Team— 6/16/2003
Take a look at a typical amp wiring scheme.
Amplifiers: How to Suppress Noise
Crutchfield Writing Team— 6/16/2003
Electrically speaking, your car is a pretty active place. Every piece of equipment in your car - power windows, windshield wipers, the alternator - generates its own small electrical field. Find out how to isolate your gear and reduce noise.
Car Amplifiers Frequently Asked Questions
Crutchfield Writing Team— 6/16/2003
Where can I mount my amp? What wiring do I need to hook up my amplifier? Does any of it come with the amp? What size power and ground wires do I need for my amplifier? How much air space do I need around my amplifier? What's the biggest amp I can hook up to my car's electrical system? Plus more!
Car Amplifiers Glossary
Crutchfield Writing Team— 8/11/2009
Learn about the features and technical specifications found in today's amplifiers.
Video: Upgrading Your Factory Stereo, part 2
Robert Ferency-Viars, Ken Nail— 7/25/2008
Just because you can't replace your vehicle's factory stereo doesn't mean you have to live with a poor sound system. In this short video, Crutchfield experts take a look at how a fellow employee created a high-performance car audio system.
Video: Installing the Alpine KTP-445 Power Pack
Robert Ferency-Viars— 8/24/2009
This video demonstrates how easy it is to install the Alpine KTP-445 Power Pack amplifier module. The Power Pack gives you the power and improved sound of an external amplifier at a fraction of the cost and with a much easier installation.
Video: How to Choose an Amplifier
Zak Billmeier, Ken Nail— 12/4/2009
This in-depth video walks through the major points to consider when choosing a new amplifier. It answers the questions: How many channels do you need? How much power should you get? What are the important features to look for? And why do some amplifier brands cost more than others?
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EA Series 4-channel car amplifier 60 watts RMS x 4 -
Mono subwoofer amplifier 500 watts x 1 at 1 ohm -
Mono subwoofer amplifier 500 watts x 1 at 1 ohm








