Few effects are as expressive as a wah. Rock your foot and the guitar seems to talk, cry or quack, from funk rhythm chops to screaming hard-rock solos. Finding the best wah pedal for you depends on the voice you want (vintage and vocal, or thick and aggressive), how you like it to switch on and off, and how much room you have on your pedalboard. Below are nine proven wahs across every budget band, from the classic Cry Baby to switchless optical designs and mini wahs, with honest trade-offs, a comparison table and practical advice on placement and setup.
How a wah pedal works
A wah is a sweepable filter. Inside the pedal, a resonant band-pass filter boosts a narrow range of frequencies, and the treadle moves that peak from bass to treble as you rock your foot. Heel down sounds dark and throaty; toe down sounds bright and nasal. The sharpness of the peak is called Q: a high Q gives a vocal, pronounced sweep, while a low Q sounds smoother and subtler. The classic circuit uses an inductor and a potentiometer turned by a rack gear, while some designs use an optical sensor instead of a pot, so there is nothing to wear out or crackle.
Most wahs click on with a footswitch under the toe. Switchless wahs turn on as soon as you move the treadle and off when you return it to the heel position, which is faster in a busy song but takes getting used to.
Our picks
Dunlop Cry Baby GCB95
The Dunlop Cry Baby GCB95 is the wah most players picture: a heavy die-cast housing, a familiar sweep and decades of records behind it. It is simple, affordable, and almost indestructible, which is why it lives on so many boards.
Best for: anyone who wants the classic rock wah sound with no fuss.
- Pros: iconic tone, tough build, easy to find and repair.
- Cons: no adjustable Q or boost, and the fixed voicing can sound harsh with very bright guitars.
Vox V847-A
The Vox V847-A is a 1960s-style reissue of the original Vox wah. Its voice is smoother and more vocal than the Cry Baby, with a sweep many blues and classic-rock players prefer for expressive lead lines.
Best for: blues, soul and vintage-rock players who want a smoother, more singing wah.
- Pros: classic Vox voice, vintage looks, a long-trusted design.
- Cons: a fixed voicing with no adjustment, and it is less aggressive for heavy music.
Dunlop Cry Baby 95Q
The Dunlop Cry Baby 95Q adds variable Q and an adjustable volume boost to the classic design. That means you can tame the sweep for rhythm work or sharpen it for leads, and push your solos forward when the wah is on.
Best for: rock and metal players who want one wah that can be shaped to their rig.
- Pros: Q and boost controls, Cry Baby toughness, more versatile than the GCB95.
- Cons: extra controls sit on the side of the pedal, so they are fiddly to change mid-gig.
Dunlop Cry Baby 535Q Multi-Wah
The Dunlop Cry Baby 535Q Multi-Wah is the tweaker’s Cry Baby. A range selector changes where the sweep sits, variable Q sets its sharpness, and a footswitchable boost lifts the volume for solos.
Best for: players who use several guitars or tunings and want to match the sweep to each.
- Pros: the most adjustable wah here, switchable boost, rugged build.
- Cons: lots of options can lead to endless tweaking, and it costs more than a basic Cry Baby.
Dunlop Cry Baby Mini 535Q
The Dunlop Cry Baby Mini 535Q squeezes the adjustable 535Q concept into roughly half the footprint of a full-size wah. It keeps a voicing selector and adjustable Q, so you still get a range of wah characters on a crowded board.
Best for: players short on pedalboard space who still want adjustability.
- Pros: compact size, adjustable voicing, Cry Baby sound.
- Cons: the shorter treadle gives less fine control for big feet, and it needs a power supply.
Morley 20/20 Classic Switchless Wah
The Morley 20/20 Classic Switchless Wah turns on when you move the treadle and switches off when you return to the heel position. Morley uses an optical design with no potentiometer to wear out, so there is no scratchy pot noise as the pedal ages.
Best for: players who use wah in quick bursts and hate hunting for the toe switch.
- Pros: switchless operation, optical reliability, smooth sweep.
- Cons: switchless takes practice, and you cannot park the wah at the heel position.
Vox V846HW Hand-Wired
The Vox V846HW is a hand-wired version of the classic Vox wah, built for players who care about vintage construction and component quality. It keeps the smooth, vocal Vox voice with a premium feel.
Best for: vintage purists who want a heirloom-quality wah.
- Pros: hand-wired build, classic vocal sweep, collectable quality.
- Cons: splurge-band price for a sound close to the V847-A.
BOSS PW-3
The BOSS PW-3 offers two voicings, Rich and Vintage, in a lighter housing than the cast-metal classics. Rich is thick and modern, while Vintage aims at the classic 1960s sweep, so one pedal covers two different styles.
Best for: players who want two wah voices and Boss reliability in a lighter pedal.
- Pros: two modes, lightweight, consistent feel.
- Cons: the housing feels less substantial than die-cast wahs.
Dunlop Slash Cry Baby SW95
The Dunlop Slash Cry Baby SW95 is a signature wah with an adjustable voice and a built-in distortion circuit. It is aimed squarely at hard-rock lead tones, giving you wah and extra gain from one switch.
Best for: hard-rock soloists who want an aggressive, gain-loaded wah.
- Pros: built-in distortion, adjustable voice, eye-catching finish.
- Cons: the distortion is less flexible than a dedicated drive pedal.
Comparison table
| Product | Best for | Key feature |
|---|---|---|
| Dunlop Cry Baby GCB95 | Classic rock wah | Iconic sweep, die-cast build |
| Vox V847-A | Blues and vintage | Smooth 1960s Vox voice |
| Dunlop Cry Baby 95Q | Shaping the sweep | Variable Q and boost |
| Dunlop 535Q Multi-Wah | Maximum adjustment | Range selector, footswitchable boost |
| Dunlop Cry Baby Mini 535Q | Small boards | Half-size with voicing control |
| Morley 20/20 Switchless | Quick bursts | Optical, switchless |
| Vox V846HW | Vintage purists | Hand-wired construction |
| BOSS PW-3 | Two voices | Rich and Vintage modes |
| Dunlop Slash SW95 | Hard-rock leads | Built-in distortion |
How to choose the best wah pedal
Voice. Cry Baby pedals tend to sound tighter and more aggressive, which suits rock and metal. Vox wahs sound smoother and more vocal, ideal for blues, funk and soul. If you are unsure, an adjustable wah such as the 95Q or 535Q lets you explore.
Switching. A toe switch gives precise control and lets you park the wah at a fixed position for a cocked-wah filter tone. Switchless wahs are faster for quick phrases but always return to off when you rock back.
Size. A full-size wah takes a big slice of a board. Mini wahs save space at the cost of a shorter sweep under your foot. Our best pedalboards roundup helps you plan the footprint.
Bypass and buffering. Some vintage-style wahs are not true bypass and can slightly darken your tone when off, especially with long cables. A buffered pedal elsewhere in the chain, or a true-bypass wah, solves it.
Power. Many wahs run on a 9V battery or a supply, but mini and electronic designs often require a supply. Check the current draw against your power supply’s outputs.
Where to put a wah in your signal chain
The classic position is early: after your tuner and before drives, so the wah filters your clean guitar and the overdrive then amplifies the sweep, which gives that singing hard-rock sound. Put wah after distortion and the sweep becomes more synthy and extreme. One known quirk: vintage-style fuzz pedals often react badly when placed after a wah, so if you use a vintage fuzz, try it first in the chain. Our best fuzz pedals and best overdrive pedals roundups cover drives that pair well with wah, and the guitar effects pedals guide explains starter board order in full.
Wah technique and setup tips
- Rock in time. For funk rhythm, rock the treadle in sixteenth notes with the groove; practising with our free online metronome builds that timing fast.
- Use the cocked position. Park a toe-switch wah halfway for a nasal, midrange filter tone that cuts through a band.
- Adjust the treadle tension. Many wahs let you tighten the rocker so it stays where you leave it.
- Match the sweep to the guitar. Humbuckers usually suit a slightly brighter sweep than single coils; adjustable wahs make that easy.
FAQ
Is a Cry Baby or a Vox wah better?
Neither is better overall. The Cry Baby is tighter and more aggressive, a favourite for rock and metal. The Vox is smoother and more vocal, preferred by many blues and funk players. Choose by the music you play most.
Should a wah go before or after distortion?
Most players put the wah before distortion so the drive amplifies the sweep, which sounds classic and vocal. After distortion, the wah sounds more extreme and synth-like. Try both; there is no wrong answer if it sounds good.
What is an auto-wah?
An auto-wah, or envelope filter, sweeps the filter automatically based on how hard you pick, with no treadle. It is popular for funk, but it does not give you the hands-free, foot-controlled expression of a traditional wah pedal.
