Bambu Lab A1 vs Kingroon KP3S Pro V2
Head-to-head 3D printer comparison, 2026
The Bambu Lab A1 and Kingroon KP3S Pro V2 are both FDM 3D printers competing in different tiers, $299 vs $159. Both are scored across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Bambu Lab A1 takes the crown with 9.2/10 vs 7.2/10. It pulls ahead in Beginner Friendliness, Print Quality, Speed, Reliability. That said, the Kingroon KP3S Pro V2 saves you $140 and wins on Value.
Score Breakdown
Specifications
| Spec | Bambu Lab A1 | Kingroon KP3S Pro V2 |
|---|---|---|
| Price | $299 | $159 |
| Type | FDM | FDM |
| Build Volume | 256 x 256 x 256 mm | 200 x 200 x 200 mm |
| Print Speed | 500 mm/s | 250 mm/s |
| Min Resolution | 0.05 mm | 0.05 mm |
| Weight | 9.05 kg | 6.5 kg |
| Overall Score | 9.2/10 | 7.2/10 |
Pros & Cons
Bambu Lab A1
+Full 256mm build volume, same as the Combo but $100 cheaper
+Bambu's reliability, slicer, and support at $299
+500mm/s speed that's calibrated and ready without tweaking
+AMS Lite upgradeable later when multi-color becomes interesting
−Open frame: ABS warping is a real problem without modification
−No multi-color in the box: the Combo is $100 more and includes it
−The upgrade to A1 Combo is tempting enough that many buyers regret not doing it upfront
Kingroon KP3S Pro V2
+Linear rails at $159 is genuinely unusual: this feature normally costs $300+
+Direct drive handles TPU without the feeding nightmares of a Bowden setup
+Compact footprint fits on a shelf without dedicating a full desk to it
−200mm cube limits what you can print in one go
−Kingroon's community is small: if something breaks, you're mostly solving it alone
−Firmware is functional but hasn't had meaningful updates in a while
Who Should Buy Which?
Choose the Bambu Lab A1 if you want:
- A great printer for beginners
- A great printer for speed
- A great printer for budget
- Auto bed leveling
- WiFi
- Camera
Choose the Kingroon KP3S Pro V2 if you want:
- A great printer for budget
- A great printer for compact
- Linear rails
- Direct drive
- Auto bed leveling
Frequently Asked Questions
Is the Bambu Lab A1 better than the Kingroon KP3S Pro V2?
By the numbers, the Bambu Lab A1 scores higher (9.2/10). But "better" depends on your use case, the Kingroon KP3S Pro V2 may be the smarter buy if you need budget.
Which is better for beginners, Bambu Lab A1 or Kingroon KP3S Pro V2?
The Bambu Lab A1 is more beginner-friendly (10/10 vs 7/10) with easier setup and a gentler learning curve.
Is the Bambu Lab A1 worth $140 more than the Kingroon KP3S Pro V2?
The Bambu Lab A1 scores higher overall (9.2/10 vs 7.2/10). The extra $140 gets you full 256mm build volume, same as the combo but $100 cheaper.
What's the main difference between Bambu Lab A1 and Kingroon KP3S Pro V2?
Build volume (256x256x256mm vs 200x200x200mm) and print speed (500 vs 250 mm/s). The Bambu Lab A1 is best for beginners; the Kingroon KP3S Pro V2 targets budget.