ONE
- Good data fit
- Specs Only
- B
- 14 source records
3 signals across 1 sources (Medium)
A structured side-by-side profile for FK Irons ONE vs Neuma 4 Configurator, built from indexed specs, seller records, source coverage, and issue-signal data.
This is a data comparison, not a hands-on lab test unless a machine is explicitly marked as tested.
3 signals across 1 sources (Medium)
1 signals across 1 sources (High)
No clear match from current data.
FK Irons ONE
Weight, control, and smoother lower-stroke fit.
FK Irons ONE
Stroke reach, hit signal, and power stability for packing.
| Spec | ONE | 4 Configurator |
|---|---|---|
| Type | Pen | Pen |
| Power | Wireless | Wired |
| Stroke System | Adjustable stroke | Replaceable stroke cams |
| Stroke | 2.0 / 2.5 / 3.0 / 3.5 / 4.0 / 4.5 / 5.0 | 2.75 / 3.6 / 4.2 |
| Stroke Step | 0.5mm | Not listed |
| Needle Depth | 0-4.5 | Check specs |
| Weight | 268g | 370g |
| Voltage | 5-12V | 4.5-9V |
| Runtime | 6.5 h | Not listed |
| Charge Time | 3 h | Not listed |
| Motor | Brushed | Faulhaber |
| Motor Size | Not listed | Not listed |
| Motor Speed | 11,000 RPM | 9,000 RPM |
| Frequency | 60-160 Hz | 80-140 Hz |
| Best Price | $799.99 | $690 - $1,240 |
| Sellers | 3 | 1 |
| Source Coverage | B | B |
| Reported Issue Signals | 3 signals across 1 sources (Medium) | 1 signals across 1 sources (High) |
FK Irons ONE
Closest overall data-match estimate in this comparison.
FK Irons ONE
Lower reported issue signal among the compared profiles.
FK Irons ONE
Lower listed weight can matter during longer sessions.
FK Irons ONE
More source records make the profile easier to verify.
FK Irons ONE currently has the closer data-fit estimate. Treat this as a research signal and still compare weight, stroke, seller records, and issue coverage.
No. It is a structured data comparison unless an individual machine is explicitly marked as hands-on tested.
Issue signals are public-source research signals, not verified defect rates. Use them as prompts for deeper source checking.