ComMarker B4 30W 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
$699
OMTech
$699
Spec-by-Spec Comparison
| Spec | ComMarker B4 30W Fiber Laser Engraver | OMTech 30W JPT MOPA Fiber Laser Engraver |
|---|---|---|
| Wattage | 30 W | 30 W |
| Laser Type | Q-Switched | MOPA |
| Laser Source | Raycus | JPT |
| Work Area (W) | 110 mm | 150 mm |
| Work Area (H) | 110 mm | 150 mm |
| Galvo Speed | 10000 mm/s | 8000 mm/s |
| Color Marking | No | Yes |
| LightBurn | Yes | Yes |
| Autofocus | No | No |
| Weight | 4.2 kg | 4.5 kg |
| Software | LightBurn + EZCad2 (LightBurn Galvo license required separately) | LightBurn + EZCad2 (verify bundled on your ASIN) |
| Pulse Width | N/A (Q-Switched) | 2–500ns |
| Price | $699 | $699 |
| Rating | 8.2/10 | 8.4/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
ComMarker B4 30W Fiber Laser Engraver
Pros
- Dual-lens system included: 110mm lens (110×110mm field, sharper marks) and 200mm lens (200×200mm field, larger work) both in the box — two work areas for one price, rare in fiber lasers under $1,500
- Motorized electric Z-axis lifting built in — precise focus control without manual guessing; an autofocus-equivalent convenience normally seen in machines priced $2,000+
- 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 Galvo license not included — budget an additional $60–$80 beyond the machine price; a frequent surprise for buyers who expected plug-and-play LightBurn from existing licenses
- 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
OMTech 30W JPT MOPA Fiber Laser Engraver
Pros
- JPT M7 MOPA source with 100,000-hour rated lifespan — not a clone or generic; the same industrial-grade source that ships in machines priced $2,000+ on OMTech's own site
- 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 B4 30W Fiber Laser Engraver
The ComMarker B4 30W is the machine to buy when deep, production-speed engraving on metals is the priority and color marking is not required. The dual-lens system (110mm + 200mm, both included) is a genuine differentiator — you can mark fine detail on jewelry at 110mm and switch to a full A4-size workpiece at 200mm without a second machine or aftermarket purchase. If color marking is in your roadmap at all, buy the OMTech 30W MOPA at a similar price or the B4 30W MOPA variant instead — you cannot add color capability to a Q-switched machine later. For monochrome production marking at volume, this is a fast, capable machine with real workflow flexibility.
OMTech 30W JPT MOPA Fiber Laser Engraver
The OMTech 30W MOPA is the best-documented MOPA machine under $800 for buyers who want a community around them when they hit problems. The JPT source is proven, the 150mm work area is correct for most hobbyist use cases, and LightBurn compatibility on all platforms is a real advantage over EZCad-only competitors. Before buying ASIN B0DCFGK6PX, verify whether LightBurn is bundled — some OMTech variants at this price are EZCad-only, and you may need to budget $60 extra for a LightBurn Galvo license. The DOA shipping risk is real; order from a seller with a clear return policy. For MOPA color marking with the strongest community support under $800, this is the pick.