ComMarker B6 20W Fiber Laser Engraver vs OMTech 30W JPT MOPA Fiber Laser Engraver
Head-to-head spec comparison to help you pick the right fiber laser for your needs.

ComMarker
$1,599

OMTech
Unavailable
Spec-by-Spec Comparison
| Spec | ComMarker B6 20W Fiber Laser Engraver | OMTech 30W JPT MOPA Fiber Laser Engraver |
|---|---|---|
| Wattage | 20 W | 30 W |
| Laser Type | Q-Switched | MOPA |
| Laser Source | Raycus | JPT |
| Work Area (W) | 150 mm | 150 mm |
| Work Area (H) | 150 mm | 150 mm |
| Galvo Speed | 8000 mm/s | 8000 mm/s |
| Color Marking | No | Yes |
| LightBurn | Yes | Yes |
| Autofocus | Yes | No |
| Weight | 3.5 kg | 4.5 kg |
| Software | LightBurn + EZCad | LightBurn + EZCad2 (verify bundled on your ASIN) |
| Pulse Width | N/A (Q-Switched) | 2–500ns |
| Price | $1,599 | Unavailable |
| Rating | 8.0/10 | 8.4/10 |
| Buy on Amazon | Amazon offer unavailable (checked 2026-07-10) |
Pros & Cons
ComMarker B6 20W Fiber Laser Engraver
Pros
- 150×150mm work area — 35% larger than the GWEIKE G2's 110mm field — fits tumblers on a rotary chuck and full knife blades without repositioning
- The current title identifies an autofocus screen, a meaningful workflow distinction from manual-focus 20W alternatives
- LightBurn confirmed working with EZCad also included — both workflows supported; buyers coming from diode lasers have immediate LightBurn continuity
- Built-in touchscreen display for settings and job status — removes the need to monitor a laptop during production runs
- 20W Raycus Q-switched marks steel, aluminum, brass, titanium, and copper consistently — ComMarker's production volume means quality control is verified across thousands of units
Cons
- Cataloged as Q-switched rather than MOPA; compare a currently available MOPA configuration when pulse-width control is required
- No enclosure — Class 4 open-beam fiber laser; the invisible 1064nm infrared beam requires OD5+ eyewear and either a dedicated enclosure or a controlled workspace with no reflective surfaces
- Thinner community than GWEIKE — fewer Reddit threads and YouTube settings tutorials; troubleshooting depends more on ComMarker support channels than community knowledge
- The current title does not confirm an included rotary; verify the exact bundle before planning cylindrical work
OMTech 30W JPT MOPA Fiber Laser Engraver
Pros
- The current listing title identifies a JPT source; source model and rated life should be confirmed in the exact seller documentation
- 150×150mm work area with rotary axis confirmed included in ASIN B0DCFGK6PX — covers tumblers with rotation and most jewelry without repositioning
- Variable pulse width 2–500ns with 1–4,000kHz frequency range gives precise oxide-layer color control on stainless steel and titanium — specific settings (e.g. power 45%, speed 1000mm/s, pulse 60ns, freq 400 for red on SS) are documented in community threads
- OMTech's LightBurn compatibility works on Windows, macOS, and Linux — rare for Chinese fiber lasers; most EZCad-only competitors require Windows exclusively
- Largest community presence of any MOPA brand at this price: LightBurn forum history, YouTube reviews, and documented settings libraries predate this model and are actively maintained
Cons
- DOA/shipping damage reported across multiple sources — packaging is adequate but component fragility during long shipping is a recurring theme; inspect immediately on arrival
- ASIN B0DCFGK6PX may be EZCad-only — Amazon title says 'EZCad Galvo Lens'; a separate ASIN (B0DSZ8PLLY) explicitly bundles LightBurn; verify which listing you're buying before purchasing
- Customer support is slower than Monport's direct-site models and not as consistent as OMTech's marketing implies — LightBurn forum users note 24hr+ turnaround and first-line agents who don't always understand the issue
- Color marking requires systematic material testing per batch — oxide colors on stainless are parameter-sensitive; alloy composition and powder coat thickness vary between tumbler batches, requiring fresh test grids
Our Verdicts
ComMarker B6 20W Fiber Laser Engraver
The ComMarker B6 is the 20W option to compare when a 150mm field and autofocus matter more than MOPA pulse control. The verified Amazon offer was $1,599 on July 10, 2026. That price removes it from any under-$600 decision path. If color work is required, compare an available MOPA configuration instead of following the currently unavailable OMTech 30W exit.
OMTech 30W JPT MOPA Fiber Laser Engraver
The OMTech 30W MOPA has a 150mm field and a JPT MOPA source, but ASIN B0DCFGK6PX was out of stock with no current Amazon price on July 10, 2026. Hobbyist Laser does not expose a buying link or Offer JSON-LD while that remains true. Verify the exact controller, included software, seller, return policy, price, and availability before reconsidering it.
OMTech 30W JPT MOPA Fiber Laser Engraver
No current Amazon offer