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

You own an electric toothbrush, why not an ultrasonic knife? We had a pro chef test the world’s first

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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