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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.

Upgrade your car's sound
by Buck Pomerantz

Factory stereo systems leave a lot to be desired. The four upgrade systems we discuss in this article improve the factory sound of different vehicles in different ways.

Sonos buying guide
by David Brown

Interested in an easy solution for wireless audio throughout your home? We'll help you decide what Sonos gear you need to make your multi-room-music dreams come true.

Life with a factory stereo
by Charlie Pastorfield

Many new vehicles make it difficult to install a new stereo. This article covers some of your options for improving the sound without changing the stereo.

When you're choosing car speakers, it's important to make sure your system will give your new speakers the power they need to sound their best.

When it's time to upgrade your boat's audio system, it's important to look for marine-rated stereo equipment that can stand up to life on the water.

A Rockford Fosgate system gave the family minivan a major audio overhaul while still keeping the manufacturer's dual DVD players intact for the kids.

The mobile audio/video section of the Crutchfield Labs lets our writers, researchers, and advisors get hands-on experience with the latest car audio products.

Bill Becker, founder and CEO of BDI, talks about special features of the BDI Mirage 8222 audio/video cabinet, designed to hold and hide your audio components.

Bill Becker, founder and CEO of BDI, talks about the special features of the BDI Valera audio/video furniture line. The open design keeps your components visible, and

Bill Becker, the founder and CEO of BDI, talks about their Avion audio/video furniture line and the improvements they made with Series II. Avion is perfect for anyone

Car amplifiers FAQ
by Buck Pomerantz

Our Amplifier FAQ answers many common questions like: How can I add an amp to my system? Where should I mount it? What wiring do I need? What size fuse and power wire?

Amplifier installation guide
by Crutchfield Writing Team

Here's a step-by-step guide to installing a car amplifier, including troubleshooting tips when things don't work perfectly.

The Alpine PDX-V9 is the 5-channel version of their popular PDX amps. It's small, stackable with other PDX amps, and gives you serious power, with a tiny footprint.

One of our employees shares the excitement of having an amplifier in her car for the first time. We installed the Rockford Fosgate Punch P400-4 amplifier in her car,

You can connect speakers to an amp by wiring the amp's output wires to the harness behind the stereo, where all the speaker connections are accessible in one place.

Denon HEOS Amp and Link
by Video Team

The Denon HEOS Amp and HEOS Link let you integrate your existing home audio system with a wireless Denon HEOS multi-room audio system.

Car amplifiers glossary
by Crutchfield Writing Team

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

Kenwood Excelon line of amplifiers - three models featuring a small footprint, clean design, and covered by a reassuring 2-year warranty.

Alpine's V-Power car amplifiers are smaller than ever, and they employ smart digital technology that makes them incredibly versatile.

Sony's efficient GS car amplifiers give you clean, effective power to make your car audio system sing. There are two GS models: a 4-channel, and a mono subwoofer amp.

Video: setting your amp's gain control
by Robert Ferency-Viars

Check out our quick and easy method for properly setting the gain on your car amplifier, which prevents distortion and reduces noise.

Kicker's CompR and CompRT subwoofers, plus their KX amplifiers, give you the sound and performance you expect from Kicker when you're building a car audio system.

For a long time when someone mentioned "computer speakers" all I could picture were the free speakers that came with our PC. They were lightweight, spindly things

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