Ultron 4 By Sadhakaya One Off

Ultron 4 By Sadhakaya One Off — two new designs where the flow of lines meets ornamental innovation.

Meet the next chapter of a legend. Same artist. Same spirit. Now expressed through raw industrial aesthetics. These unique designs are presented in an aluminum body with a carefully crafted vintage effect.

This is not just aged metal — it is character. The first design is created using a worn metal technique, developing a noble patina shaped by time. The second features a rust effect, where burnt orange oxide accents are woven into the signature ornament.

The uniquely textured finish makes these machines exceptionally satisfying to hold, delivering confident grip, tactile pleasure, and precise control in every session.

Ultron 4 By Sadhakaya

Meet the unique stone-carved design with intricate ornamental engraving. Discover the latest custom design by #vbiproteam artist Pavel Melnikov. Its monolithic frame, sculpted to resemble solid stone, is enhanced with precise ornamental patterns where every line reflects passion and absolute precision. The distinctive texturing, with carved accents emerging from the stone-like surface, defines a bold new aesthetic where ancient motifs are reinterpreted for the modern era. More than a machine — a true art object.

Ultron 4

Ultron 3 already works fast, but sometimes you want to change the feel of the hit without swapping machines. Ultron 4 delivers exactly that.

The same compact Ultron 3 platform with three stroke options — now enhanced with SmartHit modes, allowing you to fine-tune hit sharpness for the task at hand.

Ultron 3 body. Ultron 4 Pro brain.

We followed the most logical path. We kept what already worked in Ultron 3, listened closely to real artist feedback, and reinforced the weak points.

And of course, we added SmartHit — a key feature taken directly from our flagship Ultron 4 Pro. The hit was already extremely stable. Now it adapts dynamically to your working style.

What stayed the same:

• Compact form factor with a low center of gravity
• DirectPower motor control with stable 12-volt power delivery
• Start-Stop comfort mode
• USB-C fast charging
• Three memory presets
• Compatibility with Cheyenne disposable grips

What we upgraded:

• StableHit evolved into SmartHit with seven hit modes
• Battery life increased by 30%, up to 13 hours on a single charge
• Completely redesigned control board for higher reliability and output
• Three separate physical buttons

SmartHit. Adaptive Hit Control.

Different cartridge membranes, varying pressure, different skin types — SmartHit allows you to adjust how the motor behaves under load.

Switch between Soft 1/2/3, Stable, and Sharp 1/2/3 modes with a single quick press.

Fewer passes. Fewer punctures. Less trauma. Better healing.

Three proven strokes

3.7 mm — Soft versatility

Fine and medium lines, Black & Grey work, and exceptionally smooth color blending in realism.

4.2 mm — All-rounder

From fine to bold lines, from smooth shading to solid color packing.

4.7 mm — Sharp punch

Ultra-fast solid color packing and bold, confident lines.

Sweet spot in our lineup

Simpler and lighter than Ultron 4 Pro, yet significantly more flexible than Ultron 3.

Key Specs

• M3Pro 12.6 W motor with flywheel
• Operating range: 10–130 Hz
• Battery capacity: 2400 mAh
• Dimensions: Ø31 mm × 135 mm
• Weight: 178 g