You’ve got a compressor on your board, but unlike a fuzz or a delay, it’s never obvious when to actually reach for it. For a lot of players the answer is almost never reach for it at all, because they just leave it running.
That set-and-forget approach works, yet it skips the more useful question. Funk, country, and clean tapping each lean on a compressor in their own way.
This guide covers when a compressor earns its place and how to dial one in. We also look at where it sits in your chain and whether a compressor pedal is worth buying at all.
Is one even worth it? Let’s start there.
Are Compressor Pedals Worth It?
Is it worthwhile to invest in a compressor? Maybe.
It depends on a number of things, including your playing style and the goal you’re trying to achieve. Compressors work by changing the dynamics of your guitar’s signal.
This is a difficult notion for many people to grasp, but imagine it like this if you’ve experience playing acoustic guitar. When you use your fingers to play a note or strum a chord, it sounds different from when you use a pick to play the same note or chord.
With a pick, the guitar sounds louder, more aggressive, and possibly more resonant. With your fingertips, it sounds softer and more muffled.
Different dynamics are at work, as you can hear.
Related - what does a compressor do?
The action of a compressor is much more subtle than that example. A compressor squeezes the signal into a smaller volume range.
Your peaks become quieter, and your soft notes become louder. This effect can be used in a variety of ways.
Some guitarists use it in solos because it evens out the volume of the notes so they all sound similar. Others use a compressor as a boost to raise the level of everything, which can push into an overdriven sound depending on your other effects and amp.
Others use it to lift the volume of notes as they fade out, adding extra sustain.
A compressor isn’t for everyone, though. Some players feel it crushes the life out of their dynamics.
Punk and other high-gain styles already compress your signal through heavy distortion, so an extra compressor can be overkill in that scenario. It can also be the “magic sauce” that holds everything together.
The only way to know is to give one a shot.
What Does a Compressor Guitar Pedal Sound Like?
If you’re using it right, a compressor shouldn’t sound like something has been obviously added to your tone the way flange or distortion does. Instead, your playing simply sounds more even and controlled, with notes that ring out a little longer.
My favorite is the Wampler Ego.
A heavy-handed setting is more audible. You’ll hear the attack snap on each note and a “pumping” feel as the volume swells back up between hits.
That sound is useful for funk and country, but for clean playing you usually want it gentle enough that listeners feel it rather than notice it.
What Is a Compressor Pedal Used For?
So why does a guitarist need a compressor pedal? They’re great for adding balance and evening out your attack.
It’s much easier to keep notes ringing evenly when you aren’t relying on consistent pick or finger pressure. I enjoy two-handed tapping, and a compressor lets me tap with more consistent pressure rather than pressing down harder on the lighter strings.
It can also help pedals that need clean tracking, such as the EHX 9 series, by feeding them a balanced tone before the effect. And of course, you can lean into a compressor to squash your sound and make it “pop.”
When I want a more constant sound, I use a compressor to remove some, but not all, of the dynamics from my playing.
For style-specific picks, see compressor pedals for country guitar.
Who Uses Compressor Pedals?
Most guitarists do. I’m not going to list out a bunch of names, but you can be assured that many of the top players have some kind of compression in their signal chain, even if it’s subtle.
It’s one of the most common pedals on a professional board precisely because it works quietly in the background.
Should I Use a Compressor Pedal?
It depends on your musical taste. Different pedals deliver different effects, so what works for one guitarist may not work for you.
That said, a compressor is close to essential for anyone playing country or funk. Compression also comes in handy if you rely on clean tones while using techniques like tapping, pull-offs, and hammer-ons.
Compressors also pair well with overdriven amps. If you’re a country guitarist chasing distinctive thick tones, try a compressor with a slapback delay.
If you play blues, a compressor with a light overdrive can add weight to your tones. In any case, there’s a lot to gain from compression.
Can Compressor Pedals Increase Sustain?
Yes. When you let a single note ring, it gradually fades away.
Compression makes that fade more gradual by lifting the quiet tail of the note back up, which helps the note sustain longer. It won’t give you infinite feedback-style sustain on its own, but it noticeably extends how long each note hangs in the air.
Do I Need a Compressor Pedal for a Strat?
Yes. I believe compression is something every guitar can benefit from, and single-coil guitars like a Strat respond especially well to it.
The cleaner, more dynamic nature of a Strat means a compressor can tighten up the picking response and add the polish that country and funk players love.
How Do You Use a Compressor Pedal?
When I first started working with compressor pedals, I’ve to admit I was a little confused about how to use one properly. Once you understand the main controls and where the pedal sits in your chain, it gets much easier.
How to Set Up a Compressor Pedal
Level is a gain knob that boosts or cuts the overall output of everything the pedal does. If the signal is clipping your amp, turn it down, and if it’s too quiet, turn it up.
Threshold and ratio control the amount of compression, and on some pedals they’re combined into a single “sustain” knob. If your picking creates signal peaks and valleys, threshold cuts the tops off the peaks while ratio raises the valley floor.
Attack and release set how quickly the compression clamps down on the signal and how quickly it lets go. This is something you need to experiment with, and the sweet spot varies a lot depending on your gear.
For snappy strumming like a funk rhythm, use a low threshold and a fast attack. To smooth things out and boost sustain, small amounts of threshold and ratio combined with a slower attack work with almost any style of playing, and that gentle setting is almost always what’s used in the studio.
Where to Connect a Compressor Pedal
Some guitarists place this effect near the start of the signal chain, while others put it closer to the end.
Early in the chain it shapes the dynamics that everything else reacts to. Later in the chain it polishes the final blend.
I’d recommend trying different positions to see what works best for your setup.
What Does the Attack Control Do?
Attack determines how quickly the compression kicks in after you strike a note. A faster attack clamps down sooner and tames the initial peak, while a slower attack lets more of the pick attack through, which is why a longer attack setting can make the note “snap” as you strike it.
Frequently Asked Questions
Is a compressor always on or only for certain parts?
For most players a compressor lives in the “set it and forget it” category. You dial in a gentle, even setting and leave it on for everything.
Some guitarists do reserve a heavier compression sound for specific funk or country passages, so it comes down to how aggressive your settings are.
Does a compressor pedal work with distortion?
It can, but be careful about doubling up. Heavy distortion already compresses your signal, so adding a strong compressor on top can feel like too much.
A light compressor in front of an overdrive is a popular blues trick that adds weight and sustain without squashing everything flat.
Can a compressor pedal damage my tone?
A compressor won’t harm your gear, but over-compressing can suck the life and dynamics out of your playing. If your tone sounds flat, lifeless, or noticeably “pumping,” back off the ratio and threshold.
Used in moderation, it should make your tone feel more even rather than processed.
Do I need a compressor for bedroom practice?
You don’t strictly need one for practicing at home, but it can still make clean tones more satisfying to play. If you mostly use high-gain distortion at low volumes, the benefit is smaller, since distortion already compresses your signal.
Final Thoughts
To answer the original question of when to use a compressor pedal: for most players, the answer is all the time. Set a gentle, even amount of compression, switch it on, and leave it there so your notes ring out consistently and your clean techniques sit right.
If you play funk, country, or lean on clean tapping and pull-offs, a compressor is close to a must-have. If you live in high-gain distortion, you may find your tone is already compressed enough.
Either way, the best approach is to grab one, experiment with the controls and pedal placement, and let your ears decide.
