Fractal Audio FM3 Dimensions and Power Requirements
The Fractal Audio FM3 measures 11.1 × 9.29 in (281 × 236 mm) and stands 4.06 in (103 mm) tall. It runs from the wall through its own power cord, so a pedal power supply does not apply.
Fractal Audio FM3 specifications
- Width
- 11.1 in (281 mm)
- Depth
- 9.29 in (236 mm)
- Height
- 4.06 in (103 mm)
- Weight
- 3220 g (7.1 lb)
- Power
- From the wall, own power cord
- Jacks
- On the top edge
Size and weight: 11.1" W. × 4.05" H. × 9.3" D.; 281mm W. × 103mm H. × 236mm D.; 7 lbs 1.6 oz (3.22 kg). Checked 2026-11-05.
Power for the Fractal Audio FM3
The Fractal Audio FM3 runs from the wall through its own power cord, so a pedal power supply does not apply.
The maker says: “Input Voltage: 90–264 VAC, 47 – 63 Hz (universal input)” Source
Will the Fractal Audio FM3 fit on your board
Width must fit inside the frame. Depth may hang over the front and back by up to 5 mm in total.
| Board | Frame | Fit | Room beside it | BOSS-size pedals beside it, patch cables | Planner |
|---|---|---|---|---|---|
| Pedaltrain Nano+ | 18 × 5 in457 × 127 mm | Too deep: 109 mm deeper than the board, past our 5 mm allowance | – | – | Try it |
| RockBoard DUO 2.1 | 18.5 × 5.59 in470 × 142 mm | Too deep: 94 mm deeper than the board, past our 5 mm allowance | – | – | Try it |
| Pedaltrain Metro 16 | 16 × 8 in406 × 203 mm | Too deep: 33 mm deeper than the board, past our 5 mm allowance | – | – | Try it |
| Pedaltrain Metro 20 | 20 × 8 in508 × 203 mm | Too deep: 33 mm deeper than the board, past our 5 mm allowance | – | – | Try it |
| Pedaltrain Metro 24 | 24 × 8 in610 × 203 mm | Too deep: 33 mm deeper than the board, past our 5 mm allowance | – | – | Try it |
| Pedaltrain Classic JR | 18 × 12.5 in457 × 318 mm | Fits | 176 mm | 1 | Try it |
| Pedaltrain Classic 2 | 24 × 12.5 in610 × 318 mm | Fits | 329 mm | 3 | Try it |
| Pedaltrain Novo 24 | 24 × 14.5 in610 × 368 mm | Fits | 329 mm | 3 | Try it |