ComMarker B4 60W JPT MOPA Fiber Laser vs xTool F1 Dual-Laser Engraver (2W IR + 10W Diode)

Head-to-head spec comparison to help you pick the right fiber laser for your needs.

ComMarker B4 60W JPT MOPA Fiber Laser

ComMarker

$1099

vs
xTool F1 Dual-Laser Engraver (2W IR + 10W Diode)

xTool

$799

Spec Winner

ComMarker B4 60W JPT MOPA Fiber Laser

Wins on 5 of 6 spec categories

Spec-by-Spec Comparison

SpecComMarker B4 60W JPT MOPA Fiber LaserxTool F1 Dual-Laser Engraver (2W IR + 10W Diode)
Wattage60 W2 W
Laser TypeMOPAIR Diode (not fiber galvo)
Laser SourceJPTxTool IR
Work Area (W)175 mm110 mm
Work Area (H)175 mm110 mm
Galvo Speed10000 mm/s4000 mm/s
Color MarkingYesNo
LightBurnYesYes
AutofocusNoNo
Weight5.5 kg2.5 kg
SoftwareLightBurn + EZCad2 (LightBurn requires COR file setup)xTool Creative Space + LightBurn
Pulse Width2–500nsN/A
Price$1099$799
Rating9.0/107.9/10
Buy on AmazonBuy 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
  • 60W output at up to 10,000mm/s makes batch tumbler marking and production jewelry engraving run at business-viable throughput — no other LightBurn-compatible MOPA under $1,100 offers this combination
  • 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

xTool F1 Dual-Laser Engraver (2W IR + 10W Diode)

Pros

  • Two machines in one enclosure: 2W IR marks metal (steel, aluminum, brass), 10W diode cuts wood, leather, and acrylic — single $799 machine that eliminates owning both a fiber and a diode laser
  • xTool Creative Space software is the most polished beginner interface in the laser category — camera positioning, guided material presets, and auto-layout workflows available from day one
  • Fully enclosed with automatic safety shutoffs — the only machine in this tier safe to operate in an office, living room, or classroom without OD5+ eyewear and ventilation setup
  • LightBurn compatible for users who want full parameter control beyond what xTool's software exposes
  • xTool has the largest installed base and most active community of any Chinese laser brand — tutorial content, settings libraries, and troubleshooting threads for every use case are indexed and searchable

Cons

  • 2W IR laser is NOT a fiber galvo — it produces lighter, less consistent marks on hard metal than a dedicated 20W fiber laser; an owner who ran both side by side measured the fiber as '25x faster on average for marking metal'
  • IR laser head is the documented primary failure point — multiple owners report the IR head degrading or dying within 1–2 years of regular use; xTool support unable to repair in some markets
  • No autofocus — autofocus is exclusive to the F1 Ultra; this model requires manual two-dot alignment each session (a common point of confusion because the F1 Ultra, a completely different machine, has autofocus)
  • 110×110mm work area matches budget dedicated fiber lasers — tumblers require a rotary and repositioning, no advantage here over GWEIKE or ComMarker alternatives
  • At $799 you are paying for the dual-laser concept and xTool brand polish, not metal marking throughput — a dedicated 30W fiber laser at the same price marks stainless 10–25x faster

Our Verdicts

ComMarker B4 60W JPT MOPA Fiber Laser

The ComMarker B4 60W MOPA earns the top rating because no other machine under $1,100 combines 60W JPT MOPA, LightBurn support, and a work area that handles tumblers. It is the benchmark for serious makers and small business operators. Two things to verify before buying: first, check whether ASIN B0CGX9TBGQ is in stock — the B4 line is end-of-life, and if both the B4 and B6 MOPA are available at similar prices, the B6's autofocus makes it the stronger long-term buy. Second, budget time for LightBurn setup — the COR file configuration takes an hour the first time. For experienced users who know what they are buying into, this remains the benchmark purchase under $1,100.

xTool F1 Dual-Laser Engraver (2W IR + 10W Diode)

The xTool F1 is worth buying if and only if you genuinely need both metal marking and non-metal work (wood, acrylic, leather) in a single safe, enclosed desktop machine. That value proposition is real and has no direct competitor. If your work is metal-only, the GWEIKE G2 Pro at the same $799 price marks stainless 10–25x faster with better depth. Two critical clarifications: the F1 original uses a 2W IR diode laser, not a fiber galvo, and has no autofocus — both of those features belong to the F1 Ultra, which is a completely different machine at a higher price. Compare them only if you understand the difference.

ComMarker B4 60W JPT MOPA Fiber Laser

$1099

xTool F1 Dual-Laser Engraver (2W IR + 10W Diode)

$799

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