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FK Irons
FK Irons Spektra Flux Rotary Tattoo Machine

FK Irons Spektra Flux Rotary Tattoo Machine

Best price now

$899.99at gotattoosupply.comObserved Nov 4, 2026, 6:43 PM

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Our take on the FK Irons Spektra Flux Rotary Tattoo Machine

The FK Irons Spektra Flux is a wireless pen-style rotary tattoo machine built around the Powerbolt battery, which charges over USB-C and runs from 5 to 12 V. It uses a fixed 4 mm stroke and a direct-drive motor rated at 9 W, weighs 4.23 oz, and has a 33 mm grip. It takes most membrane needles. As of November 4, 2026, the best new price is $899.99 at gotattoosupply.com, the only store listing it new, so there is no lower recent price to compare against.

Best forTattoo artists who want a cordless pen machineArtists who switch between lining and shading at one stroke lengthTraveling and guest-spot work where cables get in the wayArtists already using membrane needles and FK Irons grips
Pros
  • Cordless Powerbolt battery with USB-C charging
  • Wide 5–12 V range covers lining through soft shading
  • Light at 4.23 oz for a wireless machine
  • 33 mm grip suits standard pen-style handling
  • Fixed 4 mm stroke gives a predictable, direct feel
  • Takes most membrane needles
Cons
  • $899.99 is a high entry price for a single machine
  • Fixed 4 mm stroke; no adjustable stroke for artists who want one
  • One store lists it new, so price competition is thin
  • Battery runtime depends on voltage; high settings drain it faster
  • No RCA or corded fallback in the box beyond the Powerbolt

FK Irons Spektra Flux Rotary Tattoo Machine prices at every store

  • gotattoosupply.comNew

    In stock

    $899.99Observed Nov 4, 2026, 6:43 PM
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FK Irons Spektra Flux Rotary Tattoo Machine price history

Lowest price we've seen: $899.99 on Nov 4 at gotattoosupply.com. Tracked across 1 store since Nov 4.

What reviewers say

Owner feedback on the Spektra Flux centers on its light, balanced pen feel and the freedom of the Powerbolt battery. Artists generally rate the direct-drive hit as solid for both lining and shading at 4 mm.

Pros
  • Light weight and balance in the hand
  • Cordless Powerbolt battery convenience
  • Consistent direct-drive performance
  • Simple USB-C charging
Cons
  • Battery life at higher voltages
  • Price relative to corded machines
  • Fixed stroke limits tuning

Specifications

Kit Contents
1 Powerbolt
Wireless Connectivity
Wireless
Machine Type
Tattoo Machines
Compatibility
Compatible with most membrane needles
Stroke Length
4MM
Adjustable Stroke
No
Drive Mechanism
Direct drive
Power Source
Wireless
Voltage Range
5-12 V
Cord Type
USB-C port (for charging)
Power Output
9 W (motor)
Power Supply Type
Powerbolt
Included Accessories
1 Powerbolt
Needle Type
Membrane needles
Typical Users
Tattoo artists
Color
Stealth
Ergonomics
Pen style
Weight
4.23 Ounces
Design Style
Shiny
Grip Diameter
33MM

Questions and answers

Is the Spektra Flux worth $899.99?
If you want a light wireless pen machine and work mainly at a 4 mm stroke, it is a solid pro-grade option. At $899.99 at gotattoosupply.com as of November 4, 2026, it costs more than most corded rotaries, so the cordless convenience is what you are paying for.
How long does the Powerbolt battery last?
Runtime depends on the voltage you run. Expect shorter sessions at the top of the 5–12 V range and longer at lower settings. The Powerbolt charges over USB-C, so a power bank can top it up between clients.
Can I change the stroke length?
No. The Spektra Flux has a fixed 4 mm stroke with no adjustable cam. Artists who want to switch between short and long stroke need a different machine or a swap-in cam if FK Irons offers one for this frame.
What needles does it take?
It is compatible with most membrane needles. Standard cartridge-style membrane needles fit the 33 mm grip setup.
What comes in the box?
The machine ships with one Powerbolt battery. Check the listing for whether a USB-C cable or charger is included, since the specs only name the Powerbolt.
When is it cheapest?
Only one store, gotattoosupply.com, listed it new at $899.99 as of November 4, 2026, so there is no lower price on record. Watch for artist-supply sales and bundle deals rather than expecting a broad price war.
Where is the FK Irons Spektra Flux Rotary Tattoo Machine cheapest?
At gotattoosupply.com, for $899.99, as of our latest check.