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Confused about wiring your subs and picking the right amplifier? Crutchfield will get you on the fast track to big bass with this simple guide.

This step-by-step guide will help you make sure that your amps and subs are evenly matched and work well together. We explain how to select one to go with the other.

New marine speakers in your boat will give you an immediate upgrade in sound quality, but you'll also need a marine amplifier to get the best sound over open water.

Amps make music fun
by Buck Pomerantz

When you add an amp to your system, the sound becomes higher, wider, and more realistic — like the band's in the car and you're in the front row.

Video: car amplifier features
by Zak Billmeier, Ken Nail

This video describes some of the common features you should look for when you're shopping for an amp, like a high-pass filter or a bass boost.

Video: how to choose an amplifier
by Zak Billmeier, Ken Nail

Here are some major points to consider and features to look for when choosing a new amplifier, like how many channels, or how much power it needs.

Bring out all of your music's emotional excitement, impact, and fine detail by adding an amplifier. This article explains which amplifier is the best for the job.

A home stereo system built around an integrated amplifier is perfect for a serious music lover. Learn what to look for as you shop.

Car amplifier buying guide
by Buck Pomerantz

How much power and how many channels are right for you? This guide will help you choose the right amplifier for your car's sound system.

Video: car amplifier power
by Zak Billmeier, Ken Nail

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.

Many new car receivers are equipped with USB ports. Is there a charging advantage for receivers that have USB ports rated at 1 Amp, versus those rated 500 milliamps?

Different amps with the same wattage ratings can have wildly different prices because not all watts are created equal - some are better due to the amp's build quality.

Three Crutchfield advisors listened to ten tracks from various musical genres to hear the difference a subwoofer makes when listening to music in a car.

Intro to live sound equipment
by Jim Richardson

Whether you only need a single mic and a speaker or a full kit for your band, it pays to know how a PA system works. This article explains each piece of the system.

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