GWEIKE G2 Pro 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.

GWEIKE
$799

OMTech
$699
Spec-by-Spec Comparison
| Spec | GWEIKE G2 Pro 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) | 150 mm | 150 mm |
| Work Area (H) | 150 mm | 150 mm |
| Galvo Speed | 15000 mm/s | 8000 mm/s |
| Color Marking | Yes | Yes |
| LightBurn | Yes | Yes |
| Autofocus | No | No |
| Weight | 6.5 kg | 4.5 kg |
| Software | LightBurn + EZCad2 | LightBurn + EZCad2 (verify bundled on your ASIN) |
| Pulse Width | N/A (Q-Switched, 20–200kHz frequency range) | 2–500ns |
| Price | $799 | $699 |
| Rating | 8.3/10 | 8.4/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
GWEIKE G2 Pro 30W Fiber Laser Engraver
Pros
- 15,000mm/s galvo speed — the fastest Q-switched fiber laser under $900 and 50% faster than the ComMarker B4 30W at $700; the throughput difference is measurable on production runs with any infill
- Wide 20–200kHz frequency range enables thermal oxidation color on stainless steel and titanium — GWEIKE documents '90+ colorful engravings' and DIY Life reviewer confirmed distinct greens and reds on stainless (Nov 2024)
- GWEIKE's LightBurn driver is the most actively maintained of any Chinese fiber laser brand — no COR file gymnastics, no galvo axis swap workarounds; direct native LightBurn galvo support out of box
- 150×150mm work area handles most knife blades, tumblers with rotary, and medium plaques without repositioning
- Active LightBurn settings ecosystem with documented community resources: a dedicated Etsy seller offers a 37-material LightBurn library specific to the G2 Pro 30W covering metals, plastics, and stone
Cons
- Color marking is thermal oxidation, not MOPA — results require experimentation per material and are less consistent and repeatable than a JPT MOPA machine; do not expect plug-and-play stainless color
- Focus height calibration is measured from lens center, not machine frame — GWEIKE's manual doesn't clarify this; every new owner mis-sets focus initially and must recalibrate by sound and burn quality (LightBurn forum, Feb 2026)
- Customer service is WhatsApp-only with inconsistent quality — best-lasercutter.com rates it 'a gamble'; not viable for production-critical environments with tight turnaround requirements
- Built-in fume extraction fan is insufficient for real engraving sessions — an external fume extractor ($80–$120) is a practical requirement, not an optional accessory
- Native G-Laser software is frustrating and feature-poor — nearly all users switch immediately to LightBurn; do not evaluate the machine on G-Laser
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
GWEIKE G2 Pro 30W Fiber Laser Engraver
The GWEIKE G2 Pro is the fastest Q-switched fiber laser under $900 and the only machine in this price range that can produce visible thermal oxidation color on stainless steel without a MOPA source. The color is not MOPA-quality — it requires experimentation and is inconsistent batch-to-batch — but it exists, and nothing else at $799 can say the same. For deep engraving at maximum speed with color as a secondary capability, nothing competes. For consistent, repeatable color marking on tumblers or jewelry production, the OMTech 30W MOPA at $100 less is the more appropriate choice — it delivers true MOPA color repeatability that the G2 Pro's frequency tuning cannot match.
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.