369Sonic
369Sonic Ultrasonic Kitchen Knife 70 W – Premium Set with Wireless Charging Base
369Sonic Ultrasonic Kitchen Knife 70 W – Premium Set with Wireless Charging Base
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369Sonic Ultrasonic Kitchen Knife 70 W – Premium Set with Wireless Charging Base
The new 70W more powerful version of our ultrasonic knife – delivers even greater cutting performance, improved material penetration, and perfectly clean cuts even with more demanding ingredients.
Experience the next generation of kitchen tools with the 369Sonic ultrasonic knife – a revolutionary wireless electric knife that brings advanced ultrasonic technology right into the handle of a traditional kitchen blade.

With high-frequency micro-vibrations powered by ultrasonic energy, this knife stands among the most precise and powerful tools for cutting, slicing, and chopping a wide range of ingredients.

What makes ultrasonic cutting so effective?
- Ultrasonic vibrations significantly reduce food sticking to the blade, ensuring clean, uniform cuts.
- Even tough or dense foods are easier to slice thanks to the knife’s enhanced cutting force.
- Clean slicing minimizes fluid and nutrient loss, preserving the natural qualities of your food.
- Ideal for cutting layered dishes or pastries – layers stay intact without shifting or squashing.
- Crumbly, delicate foods? No problem – ultrasonic motion handles them with minimal breakage.
Maximum efficiency with minimal effort.
Swappable Blades:
Need a different blade type or a replacement? The knife’s design allows for quick and easy blade changes to suit your specific cutting needs.
Removable Battery:
Thanks to a snap-in battery mechanism, replacing the power source is simple and tool-free – ensuring long-term usability.

Smart Connectivity with the 369Sonic App:
Connect your knife to your smartphone via Bluetooth and monitor key performance metrics:
- Real-time cutting frequency
- Battery voltage
- Internal temperature
- Device power output
- Manual controls to fine-tune frequency and power

Technical Specifications:
- Frequency Range: 25 – 60 kHz (auto-adjusted by blade type)
- Output Power: 70 W
- Knife Weight: 333 g
- Model Number: UKK45000F70W
- Certification: CE
- Dimensions:
- Wireless Charging Input: AC 100–240V, 50/60Hz | Output: 19V, 1.5A max

Why Choose the 369Sonic Ultrasonic Kitchen Knife?
- Completely Wireless – No cords, just pure freedom of movement
- Modular Blade System – Swap blades to match your task, with more types in development
- Easy Battery Replacement – Extend the knife’s life without needing repairs
- Premium Construction – Built from durable, food-safe materials including titanium and stainless steel
- Ergonomic Handling – Balanced and comfortable, even during longer prep sessions
- Iconic Look – Modern tech meets katana-inspired aesthetics for a sharp, clean style
- Wireless Charging – Recharges effortlessly in the included stand
- Compact Powerhouse – Packs up to 70W for serious cutting strength
- Mobile App Integration – Monitor and manage your knife’s performance from your phone
- Safety First – Features guards and locks for safe kitchen use
- Sensor-Driven Performance – Smart sensors optimize frequency and protect the system from overload
- Precision Control – Processor-managed transducer constantly fine-tunes for peak efficiency
What’s in the Premium Bundle:
- 369Sonic Ultrasonic Kitchen Knife (70W)
- Wireless charging base or vertical katana-style stand
- 19V AC adapter
- Blade-change key
- Food-safe grease for smooth blade contact
- 369Sonic wooden cutting board
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Hassle-Free Returns
We want you to be fully satisfied with your purchase. If the product doesn’t meet your expectations, you can return it within 14 days – no questions asked.
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Free Shipping on All Orders
All ultrasonic cutters and knives are shipped express and free of charge via FedEx. Fast delivery right to your door.
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Support When You Need It
We’re here if you need help. Whether it’s setup assistance or general questions – just reach out, and we’ll be happy to assist you.