ComMarker B4 30W Fiber Laser Engraver vs Monport 20W Fiber Laser Engraver
Head-to-head spec comparison to help you pick the right fiber laser for your needs.
ComMarker
$699
Monport
$349
Spec-by-Spec Comparison
| Spec | ComMarker B4 30W Fiber Laser Engraver | Monport 20W Fiber Laser Engraver |
|---|---|---|
| Wattage | 30 W | 20 W |
| Laser Type | Q-Switched | Q-Switched |
| Laser Source | Raycus | Raycus |
| Work Area (W) | 110 mm | 110 mm |
| Work Area (H) | 110 mm | 110 mm |
| Galvo Speed | 10000 mm/s | 7000 mm/s |
| Color Marking | No | No |
| LightBurn | Yes | Yes |
| Autofocus | No | No |
| Weight | 4.2 kg | 3.2 kg |
| Software | LightBurn + EZCad2 (LightBurn Galvo license required separately) | BSLcad + LightBurn (galvo license required separately) |
| Pulse Width | N/A (Q-Switched) | N/A (Q-Switched) |
| Price | $699 | $349 |
| Rating | 8.2/10 | 6.5/10 |
| 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
Monport 20W Fiber Laser Engraver
Pros
- BSLcad bundled with LightBurn galvo support confirmed — no EZCad-only lock-in at $349; the Amazon listing explicitly says 'LightBurn Compatible'
- Raycus 20W source marks stainless steel, aluminum, brass, titanium, copper, and anodized aluminum consistently — the same source family used in machines twice the price
- Q-switched monochrome marks are deep and durable — serial numbers, logos, and ID marks survive heavy daily use without fading or rubbing off
- 110×110mm work area covers rings, dog tags, knife blade sections, and metal business cards without repositioning
- 3.2kg form factor is genuinely portable — moves between bench and jobsite without fixed infrastructure or dedicated workspace
Cons
- LightBurn setup on the BSLFiber controller is poorly documented — LightBurn forum (Jan 2025) rated Monport's galvo setup instructions 'horrible'; expect troubleshooting before first successful job
- 10,000mm/s galvo speed trails the GWEIKE G2's 15,000mm/s at $150 more — the speed gap is noticeable on high-infill designs and compounds significantly on volume work
- No color marking — Q-switched fixed pulse width cannot produce oxidation colors on stainless steel regardless of settings or software
- No autofocus — manual Z-axis height setup required for every material change or thickness variation; a friction point that dedicated color-marking workflows cannot absorb
- BSLcad community resources are nearly nonexistent — unlike GWEIKE or OMTech, no active forum threads, settings libraries, or YouTube tutorials specific to BSLcad workflows
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.
Monport 20W Fiber Laser Engraver
The Monport 20W is the honest answer when the budget ceiling is $400 and the use case is basic metal marking. LightBurn is supported (the 'EZCad-only' framing in older reviews is outdated), the Raycus source is legitimate, and the machine marks metals cleanly. The real tradeoff is everything that matters for efficient daily use: the GWEIKE G2 20W at $150 more runs 50% faster, has dramatically better documentation, and has an active community that has already solved the problems you will encounter. If $349 is a genuine limit, this gets the job done. If it is not, pay the extra $150 for the G2.