tech
January 14, 2026
You own an electric toothbrush, why not an ultrasonic knife? We had a pro chef test the world’s first
The C-200 vibrates 30,000 times per second, and as our pro chef tester found, it’s not as gimmicky as it sounds

TL;DR
- The C-200 Ultrasonic Chef's Knife features vibrations that move the blade 30,000 times per second.
- The ultrasonic technology is designed to make the knife feel sharper and reduce cutting effort by approximately 50%.
- It is particularly effective for slicing, julienning, chopping, and chiffonading, and helps dislodge sticky ingredients.
- The knife can also be used without the ultrasonic feature, functioning as a traditional knife.
- Limitations include difficulty with hard vegetables like butternut squash and a potentially uncomfortable trigger mechanism for extended use.
- The battery is rechargeable via USB-C or an optional wireless charging tile.
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