OMTech K40+ 45W
#6 in CO2Full review
A low cost CO2 starter for tinkerers who want acrylic and glass work on a budget and don’t mind hands on setup. Its small bed rules out signs.
Amazon $769.99$769.99
The OMTech K40+ 45W rates 4.0 among CO2 laser engravers; the Twotrees TS2 40W rates 3.8 among diode ones. The OMTech K40+ 45W costs $30.76 less ($769.99 vs $800.75).
Twotrees TS2 40W
#7 in DiodeFull review
A budget open frame cutter for garage makers who want high power on a big bed and can set up their own safety and ventilation.
Amazon $800.75$800.75
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different laser type classes (CO2 and diode), and each is scored against the reference points for its own class, so a rating says how well each does among its own laser type peers. How we rank explains each factor.
| Factor weight | OMTech K40+ 45W | Twotrees TS2 40W |
|---|---|---|
| Overall rating | 4.0/5 | 3.8/5 |
| Value 35% | 100 $17.11 per optical watt ($769.99, 45 W) | 85 $20.02 per optical watt ($800.75, 40 W) |
| Work area 15% | 1 305 x 203 mm work area | 100 450 x 410 mm work area |
| Features 30% | 55 enclosed, air assist | 0 none of the four |
| Warranty 20% | 100 2-year warranty | 100 2-year warranty |
Specifications
| OMTech K40+ 45W | Twotrees TS2 40W | |
|---|---|---|
| Laser | ||
| Type | CO2 | Diode |
| Optical power | 45 W | 40 W |
| Work area | 305 x 203 mm | 450 x 410 mm |
| Maximum speed | 300 mm/s | 100 mm/s |
| Features | ||
| Enclosed | Yes | No |
| Camera | - | No |
| Air assist | Yes | - |
| Warranty | 2 years | 2 years |