The Cheyenne POWER UNIT IV has been developed in collaboration with renowned Tatras to meet the demand for perfect and ergonomic solutions. The voltage range from 4.7 to 12.5 volts with an output power of 10 watts is perfectly adapted to all Cheyenne machines and especially to the low-frequency range of SOL tattoo machines.

The POWER UNIT IV has a magnetic back and bottom, as well as a stand that can be attached. It is incredibly flexible – whether it is attached to a tabletop or to a metal surface – a secure fixation is guaranteed.

The PU IV display shows either the stitch frequency as a bar graph or a standard volt. The footswitch can be operated in two modes: In locked mode, the on and off switch is briefly pressed. In temporary mode, the switch must be pressed during tattooing.


  • Compact control unit
  • Ergonomic and intuitive
  • Ideal for low frequency SOL operation
  • Versatile installation options thanks to powerful magnets and integrated stand
  • Two modes for footswitch operation (“locked” and “unlocked”).
  • Voltage display (4.7 V – 12.5 V in 0.1 V steps) or bar graph display (30 steps, approximately 0.26 V per step)
  • Stopwatch for measuring tattoo time
  • Compatible with tattoo machines from other manufacturers


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