ComMarker B4 30W Fiber Laser Engraver vs GWEIKE G2 Max 50W Fiber Laser Engraver
Head-to-head spec comparison to help you pick the right fiber laser for your needs.
ComMarker
$1,799
GWEIKE
$2,499
Spec-by-Spec Comparison
| Spec | ComMarker B4 30W Fiber Laser Engraver | GWEIKE G2 Max 50W Fiber Laser Engraver |
|---|---|---|
| Wattage | 30 W | 50 W |
| Laser Type | Q-Switched | Q-Switched |
| Laser Source | Raycus | Raycus |
| Work Area (W) | 110 mm | 150 mm |
| Work Area (H) | 110 mm | 150 mm |
| Galvo Speed | 10000 mm/s | 15000 mm/s |
| Color Marking | No | Yes |
| LightBurn | Yes | Yes |
| Autofocus | No | No |
| Weight | 4.2 kg | 6.5 kg |
| Software | LightBurn + EZCad2 (LightBurn Galvo license required separately) | LightBurn + EZCad |
| Pulse Width | N/A (Q-Switched) | N/A (Q-Switched, 20–200kHz frequency range) |
| Price | $1,799 | $2,499 |
| Rating | 8.2/10 | 7.8/10 |
| 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
GWEIKE G2 Max 50W Fiber Laser Engraver
Pros
- 50W Raycus fiber at 15,000mm/s is the highest wattage-speed combination in this price bracket — deep engraving to 5mm on metal is a documented standout capability no 30W machine at any price matches
- GWEIKE's LightBurn driver is the most actively maintained of any Chinese fiber laser brand — after the initial x/y axis calibration, LightBurn integration runs without the COR file gymnastics that ComMarker requires
- 150×150mm work area with 50W handles large plaques, long knife blades, and production batch runs on a single setup
- Active LightBurn settings ecosystem with a 37-material community settings pack (Etsy) specific to the G2 Max 50W covering metals, plastics, and stone
- 6.5kg portable form factor with detachable laser head — the same lightweight chassis as the G2 Pro 30W, not the heavy industrial frame you would expect at 50W output
Cons
- NOT a MOPA laser — earlier specs on this site incorrectly listed it as MOPA/JPT; it is a Raycus Q-switched fiber laser; no controllable pulse width, no MOPA-quality color marking libraries
- Calibration out of box requires x/y axis swap in LightBurn — documented by a verified owner (machinesformakers.com, Sep 2025); not a defect but a configuration step GWEIKE's documentation does not explain
- Compare this 50W Q-switched configuration with current 60W MOPA offers by exact source, field, controller, and workflow rather than expired prices
- Color marking is thermal oxidation, not MOPA — achievable on stainless and titanium with tuning but less consistent and less repeatable than a JPT MOPA; best-lasercutter.com explicitly notes this limitation
- No enclosure, no autofocus, and documentation rated poor by multiple owners — 50W Class 4 open-beam requires full PPE and a controlled workspace from day one
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.
GWEIKE G2 Max 50W Fiber Laser Engraver
The GWEIKE G2 Max 50W is a Q-switched, 50W configuration for buyers prioritizing engraving speed over MOPA pulse control. The verified Amazon offer was $2,499 on July 10, 2026. Compare it against current 60W MOPA offers by exact source, controller, work area, and support rather than the expired $1,199 comparison.
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