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- SF-A9 20W vs TTS-20 Pro 20W
Sculpfun SF-A9 20W vs Two Trees TTS-20 Pro 20W
What SF-A9 20W does better (3) and where TTS-20 Pro 20W wins (4) — every spec side by side.
vs
8.1Power & cutting7.7
8.0Speed6.9
5.0Precision3.6
7.7Work area8.8
7.1Safety3.2
7.4Features & ease of use4.8
Dimensions
Size comparison
SF-A9 20WTTS-20 Pro 20W
| SF-A9 20W | TTS-20 Pro 20W | Difference | |
|---|---|---|---|
| Height | 110 mm | 125 mm | −15 mm |
| Width | 606 mm | 695 mm | −89 mm |
| Depth | 665 mm | 595 mm | +70 mm |
| Weight | 6.2 kg | 3.2 kg | +3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is SF-A9 20W better than TTS-20 Pro 20W?
- Max engraving / travel speed600 mm/s vs 500 mm/s+20%
- Flame / fire detectionYes · TTS-20 Pro 20W: No
- Wi-FiYes · TTS-20 Pro 20W: No
Why is TTS-20 Pro 20W better than SF-A9 20W?
- Work area (surface)1,600 cm² vs 1,747 cm²+9%
- Weight6.2 kg vs 3.2 kg+94%
- Work area width (X)400 mm vs 418 mm+4%
- Work area depth (Y)400 mm vs 418 mm+4%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Wavelength | 450 nm | 450 nm |
| Frame material | — | Aluminium |
| Laser power | ||
| Laser output power | 20 W | 20 W |
| Work area | ||
| Work area | 400 × 400 mm | 418 × 418 mm |
| Work area width (X) | 400 mm | 418 mm |
| Work area depth (Y) | 400 mm | 418 mm |
| Work area (surface) | 1,600 cm² | 1,747 cm² |
| Work-area extension kit | — | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | 600 mm/s | 500 mm/s |
| Max cutting depth – wood / plywood (one pass) | 20 mm | — |
| Precision | ||
| Laser spot size | 0.1 mm | — |
| Positioning accuracy | — | 0.05 mm |
| Linear rails | Yes | — |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | Yes | No |
| Emergency stop button | Yes | — |
| Tilt / movement sensor | Yes | — |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Connectivity & software | ||
| Connections | USB, Wi-Fi, Bluetooth | USB, SD / USB drive |
| Wi-Fi | Yes | No |
| USB | Yes | Yes |
| Bluetooth | Yes | — |
| SD / TF card | — | Yes |
| Phone app control | — | Yes |
| Compatible software | LightBurn, LaserGRBL | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| File formats | — | NC, BMP, JPG, PNG, G-code |
| Size & power | ||
| Width | 606 mm | 695 mm |
| Depth | 665 mm | 595 mm |
| Height | 110 mm | 125 mm |
| Weight | 6.2 kg | 3.2 kg |
