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Articles & Videos: 4-channel Amps

42 articles
Car amplifier buying guide

Car amplifier buying guide

by Crutchfield's Buck Pomerantz
Best 4-channel car amplifiers for 2026

Best 4-channel car amplifiers for 2026

by Crutchfield's Buck Pomerantz
Car amplifier installation guide

Car amplifier installation guide

by Crutchfield's Buck Pomerantz
Subwoofer wiring diagrams

Subwoofer wiring diagrams

by Crutchfield's Buck Pomerantz
Amplifier wiring diagrams

Amplifier wiring diagrams

by Crutchfield's Buck Pomerantz
Best subwoofer amplifiers for 2026

Best subwoofer amplifiers for 2026

by Crutchfield's Buck Pomerantz
Best 5-channel car amplifiers for 2026

Best 5-channel car amplifiers for 2026

by Crutchfield's Buck Pomerantz
Car amplifiers FAQ

Car amplifiers FAQ

by Crutchfield's Buck Pomerantz
Car amplifiers glossary

Car amplifiers glossary

by Crutchfield's Crutchfield Writing Team
Amplifier wire gauge chart

Amplifier wire gauge chart

by Crutchfield's Buck Pomerantz
Tuning your subs

Tuning your subs

by Crutchfield's Buck Pomerantz
Amp Ed 101: Learning the right way to install an amp

Amp Ed 101: Learning the right way to install an amp

by Crutchfield's Dave Delamere
Speakers don't put out watts — amps do

Speakers don't put out watts — amps do

by Crutchfield's Buck Pomerantz
How to set amplifier gain using test tones

How to set amplifier gain using test tones

by Crutchfield's Buck Pomerantz
Why some watts are more expensive than others

Why some watts are more expensive than others

by Crutchfield's Buck Pomerantz
2016 Kia Sportage gets amped

2016 Kia Sportage gets amped

by Crutchfield's Matt Freeman
How to match subwoofers and amplifiers

How to match subwoofers and amplifiers

by Crutchfield's Buck Pomerantz
How to diagnose and suppress noise

How to diagnose and suppress noise

by Crutchfield's Buck Pomerantz
How to add a subwoofer to a factory stereo How to add a subwoofer to a factory stereo

How to add a subwoofer to a factory stereo

by Crutchfield's J.R. Stoffel
How to get through your car's firewall How to get through your car's firewall

How to get through your car's firewall

by Crutchfield's J.R. Stoffel
An amp is key to better sound in the car

An amp is key to better sound in the car

by Crutchfield's Buck Pomerantz
Installing an amp and speakers in a 2011 Subaru Outback

Installing an amp and speakers in a 2011 Subaru Outback

by Crutchfield's Dave Delamere
Video: Morel MPS car amplifiers Video: Morel MPS car amplifiers

Video: Morel MPS car amplifiers

by Crutchfield's Video Team
Improving the factory sound in a 2016 Honda Civic

Improving the factory sound in a 2016 Honda Civic

by Crutchfield's Alexander H.
Video: How to install the Alpine KTP-445U Power Pack Video: How to install the Alpine KTP-445U Power Pack

Video: How to install the Alpine KTP-445U Power Pack

by Crutchfield's Video Team
Video: JL Audio RD car amplifiers Video: JL Audio RD car amplifiers

Video: JL Audio RD car amplifiers

by Crutchfield's Video Team
Video: Sony XMS400D compact 4-channel car amplifier Video: Sony XMS400D compact 4-channel car amplifier

Video: Sony XMS400D compact 4-channel car amplifier

by Crutchfield's Video Team
How to bridge a car amplifier

How to bridge a car amplifier

by Crutchfield's Buck Pomerantz
Which amplifier class is the best?

Which amplifier class is the best?

by Crutchfield's Buck Pomerantz
A powerful car audio demo at Kicker HQ

A powerful car audio demo at Kicker HQ

by Crutchfield's Buck Pomerantz
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