GATE ASTER V2 SX Controller Set + Quantum Trigger [Rear Wired] Expert rev.2

GATE ASTER™ V2 SX Controller Set + Quantum Trigger [Rear Wired] Expert Rev.2

The GATE ASTER™ V2 SX Expert Rev.2 is a next-generation electronic trigger unit designed for demanding airsoft players seeking maximum performance, reliability and advanced customization. Developed as the successor to the ASTER SE, the SX version introduces improved hardware, full brushless motor compatibility and enhanced thermal efficiency for high-performance AEG builds.

This complete kit includes the precision-machined GATE Quantum Trigger, delivering exceptional trigger response and ultra-fine sensitivity adjustment. Designed for rear wired Version 2 gearboxes, the ASTER SX is ideal for advanced M4 and AR-platform replicas used in CQB, milsim and competitive airsoft.

Advanced Electronic Trigger Performance

The ASTER™ V2 SX offers extensive ETU customization through the trigger interface or via the GATE Control Station™ (GCS) using USB-Link or Blu-Link modules.

• Hair-trigger sensitivity adjustment with up to 60 settings on the first millimetre of movement
• Automatic pre-cocking for faster trigger response
• ETU programming via trigger, USB-Link or Blu-Link
• Firmware updates through GCS
• Ultra-low power consumption – only 0.29 mA in deep sleep mode
• Built-in voltage booster converter
• Mechanical trigger lock compatibility

Designed for High-Performance Builds

The ASTER SX Rev.2 is fully compatible with brushless motors, even when using powerful 11.1V LiPo batteries. It also supports demanding gearbox configurations and heavy spring setups.

• Compatible with brushless motors
• Supports springs up to M200
• Compatible with DSG, SSG and Infinite Torque-Up builds
• Supports standard and 19-tooth gears
• Improved sensor diagnostics
• Reduced heat generation under heavy load
• PCB thickness reduced to 1 mm
• Integrated De-cocking Rev.2 system

Included Quantum Trigger

The included GATE Quantum Trigger is CNC-machined for precision and durability, providing an ultra-responsive shooting experience with advanced trigger tuning options.

Perfect for high-end custom AEG builds, speedsoft setups and advanced milsim rifles.

Explore more upgrade components in our MOSFET & ETU collection or complete your gearbox build with products from our internal parts collection.

Technical Specifications

Brand	GATE
Product Type	Electronic Trigger Unit (ETU) Kit
Model	ASTER™ V2 SX Expert Rev.2
Wiring Configuration	Rear Wired
Gearbox Compatibility	Version 2 Gearbox
Included Trigger	GATE Quantum Trigger
Motor Compatibility	Brushless & standard motors
Battery Compatibility	Compatible with 11.1V LiPo
Software	GATE Control Station™ (GCS)
Packaging	Cardboard packaging
Weight	35 g
Colour	Blue