Specna Arms HAL™ Electronic Control Unit for Gearbox V2


The Specna Arms HAL™ Electronic Control Unit for Gearbox V2 is an advanced electronic control system (ETU/MOSFET) for Version 2 gearboxes. Thanks to the use of Hall-effect sensors and magnetic detection, the HAL™ unit offers extremely accurate trigger detection and extensive programming options. This not only improves the performance of your replica, but also protects the internal gearbox components at the same time.
The HAL™ is also compatible with BLDC™ brushless motors, making it suitable for modern high-performance builds.
Advanced Hall-effect sensor technology
Instead of traditional mechanical switches, the HAL™ uses magnetic Hall sensors. As a result, the system responds even to the slightest movement of the trigger, and wear and tear on the electronics is significantly reduced.
In addition, the unit is more resistant to dust, dirt and other external factors, which enhances its reliability during intensive use.
Extensive programming options
The HAL™ offers a wide range of customisable features that allow you to tailor the replica entirely to your playing style. Programming is carried out simply via the trigger, without the need for any external programming equipment.
Available roles include:
- Active Brake
- Binary Trigger
- Adjustable trigger sensitivity (5 levels)
- Adjustable Pre-Cocking (6 levels)
- Programmable Full Auto, Semi, 3-round burst and 5-round burst modes
- Programmable Semi, Binary, AUG and Sniper modes
- Compatible with BLDC™ brushless motors
Built-in safety features for maximum reliability
In addition to extensive configuration options, the HAL™ features various safety functions that extend the service life of the replica. For example, the system protects against undervoltage and overvoltage, issues a warning in the event of low battery voltage and the built-in overload protection prevents damage to the gearbox when the replica reaches a rate of fire exceeding 40 RPS.
This ensures that the internal drive mechanism remains better protected during intensive use.
Practical insights
An ETU such as the HAL™ offers considerably more possibilities than a standard trigger. Not only is the trigger response improved, but features such as pre-cocking, active brake and programmable firing modes also make the replica much more versatile. Thanks to Hall-sensor technology, the risk of wear on mechanical contacts is also significantly lower than with conventional trigger systems.
Who is the Specna Arms HAL™ Electronic Control Unit suitable for?
The Specna Arms HAL™ Electronic Control Unit for Gearbox V2 is ideal for airsoft players who want to equip their V2 AEG with modern electronics offering extensive programming options. Speedsoft, CQB and milsim players alike will benefit from the improved trigger response, additional safety features and versatile settings.
Key features
- Original Specna Arms HAL™ system
- Suitable for Version 2 gearboxes
- Hall-effect trigger detection using magnetic sensors
- Active Brake
- Binary Trigger
- Adjustable trigger sensitivity (5 levels)
- Adjustable pre-cocking (6 levels)
- Programmable firing modes
- Compatible with BLDC™ brushless motors
- Protection against under-voltage and over-voltage
- Overload protection boven 40 RPS
- Low Battery Alarm
- Easy programming via the trigger
- Includes a new trigger
- Includes V2 selector board
- Includes fitting materials
- Includes a programming card
Common mistakes
- Always use the new trigger supplied, as this is essential for the HAL™ system to function correctly.
- Please check beforehand whether your replica is fitted with a Version 2 gearbox, as this ETU is designed exclusively for that model.
Frequently Asked Questions
Which gearboxes is the HAL™ suitable for?
The HAL™ is designed for Version 2 (V2) gearboxes.
Is the HAL™ compatible with brushless motors?
Yes. The system is fully compatible with BLDC™ brushless motors.
What functions can I programme?
Among other things, you can set Active Brake, Binary Trigger, Pre-Cocking, trigger sensitivity and various firing modes.
Does the HAL™ have safety features?
Yes. The unit features undervoltage and overvoltage protection, overload protection and a low-battery alarm.
Is everything needed for installation included?
Yes. The kit contains the HAL™ Electronic Control Unit, a new trigger, V2 selector board, mounting kit and a programming card.
Upgrade your replica with the Specna Arms HAL™ Electronic Control Unit for Gearbox V2 and enjoy lightning-fast trigger response, extensive programming options and optimum protection for your V2 gearbox.

Product specifications
- Article number
- SPE-08-048398
- Brand
- Specna Arms
- Type
- HAL™ Electronic Control Unit for Gearbox V2
- Hall-effect sensors for fast and accurate trigger response.
- Extensively programmable (Active Brake, Binary, Burst, Pre-Cocking).
- Compatible with BLDC brushless motors.
- Built-in protection against under-voltage, over-voltage and overload.
- Suitable only for Version 2 gearboxes.
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