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

ComMarker
$1,599

Monport
$2,899.99
Spec-by-Spec Comparison
| Spec | ComMarker B6 20W Fiber Laser Engraver | Monport 30W JPT MOPA Fiber Laser |
|---|---|---|
| Wattage | 20 W | 30 W |
| Laser Type | Q-Switched | MOPA |
| Laser Source | Raycus | JPT |
| Work Area (W) | 150 mm | 175 mm |
| Work Area (H) | 150 mm | 175 mm |
| Galvo Speed | 8000 mm/s | 8000 mm/s |
| Color Marking | No | Yes |
| LightBurn | Yes | Yes |
| Autofocus | Yes | No |
| Weight | 3.5 kg | 4 kg |
| Software | LightBurn + EZCad | BSLcad + LightBurn (galvo license required separately) |
| Pulse Width | N/A (Q-Switched) | 2–500ns |
| Price | $1,599 | $2,899.99 |
| Rating | 8.0/10 | 7.2/10 |
| Buy on Amazon | Buy on Amazon |
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
Monport 30W JPT MOPA Fiber Laser
Pros
- The current title identifies a 30W JPT MOPA configuration with BSLcad and LightBurn references; verify the exact controller and bundle before buying
- JPT MOPA source with 2–500ns variable pulse width — the physics required for oxide-layer color marking on stainless steel are present; this is confirmed hardware, not a marketing claim
- BSLcad bundled with LightBurn galvo support available — not EZCad2; buyers from diode lasers can continue a LightBurn workflow (galvo license purchased separately)
- 30W output handles deep engraving on stainless, aluminum, and brass in fewer passes than any 20W Q-switched alternative
- Color marking on stainless, titanium, and anodized aluminum is achievable once settings are dialed — a capability this price tier has no business offering
Cons
- MOPA settings are not plug-and-play — frequency, pulse width, and power interact in non-obvious ways; one Reddit owner described the transition from CO2 as 'feeling like I've never used technology before' after buying a Monport MOPA
- No material parameter library for BSLcad exists in any community channel — unlike OMTech or ComMarker, no Etsy settings packs or forum parameter threads exist for this specific machine
- Monport's documentation rated 'horrible' for galvo setup by experienced fiber users — expect several hours of calibration before achieving first successful color mark
- The current Amazon title states a 6.9×6.9-inch work area; confirm the exact lens and usable field with the seller before checkout
- Very thin review base — this is a recent Amazon listing; no volume of owner feedback exists to verify factory QC or consistency across units
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.
Monport 30W JPT MOPA Fiber Laser
The Monport 30W MOPA is relevant to experienced operators who need variable pulse-width control and are prepared for thin BSLcad-specific documentation. The verified Amazon offer was $2,899.99 with limited stock on July 10, 2026, not $599. At that price, compare support, controller, lens, work area, and return terms against other available MOPA configurations before buying.