ComMarker B4 60W JPT MOPA Fiber Laser vs Monport 30W JPT MOPA Fiber Laser
Head-to-head spec comparison to help you pick the right fiber laser for your needs.

ComMarker
$3,699

Monport
$2,899.99
Spec-by-Spec Comparison
| Spec | ComMarker B4 60W JPT MOPA Fiber Laser | Monport 30W JPT MOPA Fiber Laser |
|---|---|---|
| Wattage | 60 W | 30 W |
| Laser Type | MOPA | MOPA |
| Laser Source | JPT | JPT |
| Work Area (W) | 175 mm | 175 mm |
| Work Area (H) | 175 mm | 175 mm |
| Galvo Speed | 10000 mm/s | 8000 mm/s |
| Color Marking | Yes | Yes |
| LightBurn | Yes | Yes |
| Autofocus | No | No |
| Weight | 5.5 kg | 4 kg |
| Software | LightBurn + EZCad2 (LightBurn requires COR file setup) | BSLcad + LightBurn (galvo license required separately) |
| Pulse Width | 2–500ns | 2–500ns |
| Price | $3,699 | $2,899.99 |
| Rating | 9.0/10 | 7.2/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
ComMarker B4 60W JPT MOPA Fiber Laser
Pros
- JPT M7 MOPA source confirmed — wider frequency range (1–4,000kHz) and tighter pulse consistency than Raycus Q-switched alternatives at any price; the datasheet comes in the box
- The catalog combines 60W MOPA and a 10,000mm/s speed claim; production throughput still depends on material, settings, field, and workflow
- LightBurn compatible via COR file — both LightBurn and EZCad2 workflows supported; JPT M7's full pulse-width parameter range is accessible from LightBurn's galvo interface once configured
- Rust cleaning at 60W is a documented bonus capability — removes surface oxide from steel without abrasives, useful as pre-treatment before color marking on weathered material
- Foot pedal input, job preview function, and fan that only runs during active engraving — the small-business production workflow details that distinguish a tool from a toy
Cons
- LightBurn setup requires loading a COR file and manually configuring galvo axis, Q-Pulse Width, and frequency settings — LightBurn forum (April 2026) shows new owners needing 30+ minutes before getting first correct results; not auto-detected
- No autofocus — manual Z-axis focus required for every workpiece height change; the B6 MOPA, ComMarker's current flagship, corrects this limitation
- B4 MOPA line is end-of-life inventory — ComMarker now promotes the B6 MOPA (autofocus, updated form factor, same 60W power); ASIN B0CGX9TBGQ remains on Amazon but community resources will increasingly reference the B6 going forward
- Color marking requires calibration per material batch — powder coat thickness and alloy composition vary even within the same tumbler brand, requiring fresh test grids for each new batch
- No enclosure — Class 4 open-beam 1064nm infrared; requires OD6+ eyewear at 60W and either ComMarker's Safety Enclosure Pro or a dedicated controlled workspace
Monport 30W JPT MOPA Fiber Laser
Pros
- The current title identifies a 30W JPT MOPA configuration with BSLcad and LightBurn references; verify the exact controller and bundle before buying
- JPT MOPA source with 2–500ns variable pulse width — the physics required for oxide-layer color marking on stainless steel are present; this is confirmed hardware, not a marketing claim
- BSLcad bundled with LightBurn galvo support available — not EZCad2; buyers from diode lasers can continue a LightBurn workflow (galvo license purchased separately)
- 30W output handles deep engraving on stainless, aluminum, and brass in fewer passes than any 20W Q-switched alternative
- Color marking on stainless, titanium, and anodized aluminum is achievable once settings are dialed — a capability this price tier has no business offering
Cons
- MOPA settings are not plug-and-play — frequency, pulse width, and power interact in non-obvious ways; one Reddit owner described the transition from CO2 as 'feeling like I've never used technology before' after buying a Monport MOPA
- No material parameter library for BSLcad exists in any community channel — unlike OMTech or ComMarker, no Etsy settings packs or forum parameter threads exist for this specific machine
- Monport's documentation rated 'horrible' for galvo setup by experienced fiber users — expect several hours of calibration before achieving first successful color mark
- The current Amazon title states a 6.9×6.9-inch work area; confirm the exact lens and usable field with the seller before checkout
- Very thin review base — this is a recent Amazon listing; no volume of owner feedback exists to verify factory QC or consistency across units
Our Verdicts
ComMarker B4 60W JPT MOPA Fiber Laser
The ComMarker B4 60W MOPA remains the highest-rated configuration in this catalog for buyers who value 60W JPT MOPA capability and can work within its field size. The verified Amazon offer was $3,699 with limited stock on July 10, 2026, not under $1,100. Confirm the exact lens bundle, controller, seller terms, price, and stock before treating it as the right production purchase.
Monport 30W JPT MOPA Fiber Laser
The Monport 30W MOPA is relevant to experienced operators who need variable pulse-width control and are prepared for thin BSLcad-specific documentation. The verified Amazon offer was $2,899.99 with limited stock on July 10, 2026, not $599. At that price, compare support, controller, lens, work area, and return terms against other available MOPA configurations before buying.