Fractal AM4
The Fractal AM4 is a compact multi-effects unit that brings the amp modeling algorithms from Fractal's flagship Axe-Fx III into a four-switch pedalboard format, offering over 240 amp models and 150 effects. Guitar World's reviewer gave it 4.5 out of 5 stars, praising the amp modeling quality and extensive effects selection while noting it requires some tweaking and has a steeper learning curve than competing units.
- 9V DC · center −
- 1500 mA
- Stereo
- MIDI
- New
- from $65.27
- Used (asking)
- No listings yet
The rundown
Highlights
- 240+ amp models and 150+ effects in a compact four-switch format
- Uses Cygnus X-3 amp modeling from the Axe-Fx III
- Stereo I/O, MIDI support, and expression pedal input
- Runs on 9V DC with 1500 mA draw
- Guitar World noted the price point as competitive within Fractal's lineup
Best for
Guitarists who want professional-grade amp and effects modeling in a compact pedalboard format and are willing to invest time in learning the interface.
Professional reviews
What the press rated it. We link to each review; read the full piece for the details.
- Guitar World4.5 / 5Feb 2026Read the review
Quick facts
- Power
- 9V DC
- Current draw
- 1500 mA
- Polarity
- Center negative
- Weight
- 1616 g
- Stereo
- Yes
- MIDI
- Yes
- Expression input
- Yes
- Year
- 2025
- Status
- In production
Where to buy Fractal AM4
$65.27 lowest new price · Reverb
| Seller | Condition | Price | Link |
|---|---|---|---|
| Reverb | New | $65.27 | View |
Prices last checked 20 hours ago. Links to sellers are affiliate links.
Frequently asked questions
What power supply does the AM4 need?
The Fractal AM4 requires a 9V DC power supply with 1500 mA current, using a center-negative connector.
Does the AM4 have stereo capability?
Yes, the Fractal AM4 features stereo I/O for stereo effects processing and output.
Can the AM4 be controlled with external devices?
Yes, the Fractal AM4 includes MIDI connectivity and an expression pedal input for external control.
How many switches does the AM4 have?
The Fractal AM4 has four footswitches for controlling parameters and effects.
Similar pedals
Same type, similar features.