Chimera Mk.II FET
For V2 Gearbox
For V3 Gearbox
For ACR Gearbox NEW
Spectre Drop-In FET
For V2 Gearbox
For Next-Gen V2 GB
Spectre MK.II FET
For V2 Gearbox NEW
For Next-Gen V2 GB NEW
Spare Parts
Chimera Trigger Boards
Wires and Connectors

Indestructable AEG Gearsets

Powerful Computerized FETs

Innovative Gearbox Upgrades

Spectre FET
For Next-Gen V2 Gearbox

A compact version of the Chimera Mk.II FET and utilizes FOUR powerful next-gen MOSFETs. Includes ALL the features the Chimera and fits completely inside the gearbox, making it ideal for AEGs with no room for an external FET. No soldering required!

Price:  $100 USD
Quantity:  No Stock

Airsoft AEG MOSFET - BTC Spectre for Next-Gen V2
Airsoft AEG MOSFET - BTC Spectre for Next-Gen V2
Airsoft AEG MOSFET - BTC Spectre for Next-Gen V2
Airsoft AEG MOSFET - BTC Spectre for Next-Gen V2

Advanced Technology
  • Can handle power surges up to 9000 watts and even run on car batteries.
  • Fully computerized and driven by a high speed PIC18F14K22 microprocessor.
  • Multiple internal layers of heavy copper traces for greater current capacity.
  • Short circuit detection and voltage spike suppression circuits to protect the controller.
  • Smart thermal management reduces heat buildup during sustained firing on certain settings.

MOSFET Trigger
  • Eliminates damaging electrical arcing of the trigger switch contacts.
  • Lower resistance compared to mechanical switching, increasing motor current.
  • Driven by dual IRF671812PBF, a compact yet powerful next-gen MOSFET.

Dynamic Braking
  • Eliminates the motor spin-down time to prevent the piston from over-traveling.
  • Assists in keeping the piston properly reset to reduce stress on the gearbox.
  • Prevents double firing on semi-fire in extremely high RoF setups.
  • Also driven by dual IRF671812PBF MOSFETs.

Cycle Completion
  • Gearbox always completes the last cycle regardless of when the trigger is released.
  • Assists in keeping the piston properly reset to reduce stress on the gearbox.
  • The motor will always have the smoothest and most consistent startup.
  • Allows the anti-reversal latch to be removed.

Fully Configurable Fire Select
  • Both fire select positions can be individually configured, for a total of 64 possible configurations.
  • Available options for each selector position:
    • Semi fire
    • Auto fire
    • 2 round burst
    • 3 round burst
    • 4 round burst
    • 5 round burst
    • Semi with ramping
    • Burst-auto hybrid
  • "Semi w/ Ramping" fires in semi and switches to full auto if the trigger is rapidly tapped.
  • "Burst-auto hybrid" fires in burst and switches to full auto if the trigger remains held down.
  • Can convert any AEG to semi-only by having both selector positions set to semi fire.

Realistic RoF Control
  • Both fire select positions can be individually configured with a different RoF.
  • Every cycle runs at full speed and pauses between each shot to reduce the RoF.
  • Provides the most realistic feel and sound compared to any other forms of RoF reduction.

Adjustable Precocking
  • Precocking stops the piston in a compressed state so the next shot is near-instantaneous.
  • The precocking is fully adjustable and thus also compatible with short-stroked pistons.
  • Offers improved realism and trigger response for sniper or low RoF builds.

LiPo / LiFePO4 Monitoring
  • Monitors LiPo and LiFePO4 batteries to cutoff power before overdischarge occurs.
  • Simply set the number of cells and the controller will use the proper cutoff voltage.

Programmable Digital Fuse
  • Sensor-based current monitoring negates the need for a physical fuse.
  • Cutoff threshold fully adjustable to help protect low-output batteries from over-current damage.

Gearbox Reliability
  • Eliminates the trigger jam normally caused by the cutoff lever stopping at a certain position.
  • The cutoff lever mechanism is no longer needed, greatly reducing the chances of semi-fire related issues.
  • The anti-reversal latch can also be removed to make gearbox reassembly much easier.

Electrical Ratings

Minimum Maximum
 Supply Voltage 6.5 16 V

Continuous Peak
 Motor Current 60 500 A

 FET Resistance 0.001 Ω


Length Width Height
 Board Size 1.7 1.1 0.5 inch

Gauge & Type
 FET Wiring 16AWG Ecowire(mPPE)

Included Items
  • Specter FET (Next-Gen V2 Gearbox)
  • Deans-Tamiya Adapter
  • Product Manual
Is the Spectre compatible with both front and rear wiring?

Yes, but the Spectre's stock wiring is intended for rear wired setups. Installing it in a front wired setup will require the wire lengths to be re-adjusted.

How durable are the included wires?

The included motor/gearbox wires are Ecowire(mPPE) insulated, which is tougher than typical PVC and silicone wires, as thin as Teflon/PTFE wires, and yet very flexible. This thin yet durable Ecowire insulation allows 16AWG wiring to easily fit in the gearbox without having to resort to stiff Teflon wires.

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