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
$1,799
Monport
$1,299.99
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 | $1,799 | $1,299.99 |
| Rating | 8.2/10 | 6.5/10 |
| 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 20W Fiber Laser Engraver
Pros
- The current Amazon title explicitly says LightBurn compatible and BSLcad included; confirm controller and license requirements with the seller
- 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
- The catalog's 10,000mm/s speed claim trails GWEIKE's 15,000mm/s claim; neither title-only claim proves real-job throughput
- 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 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 20W Fiber Laser Engraver
The Monport 20W remains a basic metal-marking option for buyers prepared to self-support a thinly documented BSLcad and LightBurn setup. The verified Amazon offer was $1,299.99 with limited stock on July 10, 2026, not the historical $349 configuration described in older copy. At essentially the same verified price as the GWEIKE G2 20W, choose on software support, work area, and seller terms rather than an outdated budget claim.
More Comparisons
ComMarker B4 30W Fiber Laser Engraver vs GWEIKE G2 20W Fiber Laser EngraverGWEIKE G2 20W Fiber Laser Engraver vs Monport 20W Fiber Laser EngraverComMarker B4 30W Fiber Laser Engraver vs ComMarker B6 20W Fiber Laser EngraverComMarker B6 20W Fiber Laser Engraver vs Monport 20W Fiber Laser EngraverComMarker B4 30W Fiber Laser Engraver vs Monport 30W JPT MOPA Fiber LaserMonport 20W Fiber Laser Engraver vs Monport 30W JPT MOPA Fiber LaserComMarker B4 30W Fiber Laser Engraver vs OMTech 30W JPT MOPA Fiber Laser EngraverMonport 20W Fiber Laser Engraver vs OMTech 30W JPT MOPA Fiber Laser Engraver