ComMarker B4 30W 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
$1,799
Monport
$2,899.99
Spec-by-Spec Comparison
| Spec | ComMarker B4 30W Fiber Laser Engraver | Monport 30W JPT MOPA Fiber Laser |
|---|---|---|
| Wattage | 30 W | 30 W |
| Laser Type | Q-Switched | MOPA |
| Laser Source | Raycus | JPT |
| Work Area (W) | 110 mm | 175 mm |
| Work Area (H) | 110 mm | 175 mm |
| Galvo Speed | 10000 mm/s | 8000 mm/s |
| Color Marking | No | Yes |
| LightBurn | Yes | Yes |
| Autofocus | No | No |
| Weight | 4.2 kg | 4 kg |
| Software | LightBurn + EZCad2 (LightBurn Galvo license required separately) | BSLcad + LightBurn (galvo license required separately) |
| Pulse Width | N/A (Q-Switched) | 2–500ns |
| Price | $1,799 | $2,899.99 |
| Rating | 8.2/10 | 7.2/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
ComMarker B4 30W Fiber Laser Engraver
Pros
- The broader product evidence describes 110mm and 200mm lens options; verify which lenses are included in the exact current ASIN bundle
- Motorized electric Z-axis lifting reduces manual focus adjustment; verify the current controller and lift configuration with the seller
- LightBurn compatible with EZCad2 also included — both workflows supported; owners report LightBurn produces dramatically better deep engraving results than EZCad2 on this machine
- Deep engraving on aluminum, brass, steel, precious metals, and stone confirmed across multiple owner channels — 30W Raycus output handles production-depth marking reliably
- Handheld mode via detachable design — for large pieces or on-site marking that won't fit on the desktop platform, this is a workflow no other machine in this tier offers
Cons
- Q-switched only — no color marking on stainless steel; if color is needed, the separate B4 30W MOPA (ASIN B0DRY12JMW) has the JPT MOPA source; both use the B4 body but they are different machines
- LightBurn may require a separate Galvo license; confirm controller compatibility and licensing before checkout
- Initial LightBurn setup requires loading a markcfg7 config file and calibrating corfile field size for whichever lens is mounted — LightBurn forum threads show first-time owners spending hours on initial configuration
- No color marking — reinforcing the most important caveat: despite 'B4' appearing in ComMarker's MOPA lineup branding, this specific ASIN is the Raycus Q-switch variant; verify the ASIN if color marking is needed
- Customer support response is 24hr+ with documented language barriers — not viable for time-sensitive production downtime per LightBurn forum users
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 B4 30W Fiber Laser Engraver
The ComMarker B4 30W is a Q-switched option for buyers prioritizing metal-marking speed and the included lens choices over MOPA pulse control. The verified Amazon offer was $1,799 on July 10, 2026. The OMTech ASIN referenced in older comparisons was out of stock, so compare this machine only with currently available, exact configurations.
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.
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