SA HAL™ ETU V2 Processor Unit – Rear Wiring

HAL™ ETU processor unit for V2 gearbox from Specna Arms with rear-wiring.

Improves trigger response and ensures safe motor switching.

Protects internal parts and battery.

Allows safe use of Li-Po batteries.

Increases rate of fire.

Suitable for brushless motors.

Programmable firing modes for SEMI (semi, binary, AUG, sniper) and AUTO (auto, 3-round, 5-round burst).

Technical Specifications

• Designed for: Gearbox V2
• Wiring: Rear
• Plug: T-Dean (male)
• Trigger detection: Magnetic sensors (Hall effect)
• Weight: 24.5 g
• Trigger sensitivity: 5 levels (20–100%)
• Pre-cocking: 6 levels
• Firing modes: Semi/Binary/AUG/Sniper, Auto/3-burst/5-burst
• Protections: Low voltage, overvoltage, RPS limit 40+

Package Contents

• HAL™ ETU V2 processor unit
• HAL™ trigger
• Insulation sleeves and spacer set
• V2 selector plate
• Programming card