Closed Deck X4 - Professional Standalone Engine Management
The Closed Deck X4 is our most feature-packed standalone ECU to date. Powered by the Atmega2560 and fully compatible with the official Speeduino firmware (no code modification required), it offers exceptional flexibility and capability for a wide range of engine setups and applications.
Included:
Closed Deck X4 ECU (assembled as pictured)
Harness-side connectors and pins
Arduino Mega 2560 "Pro" pre-flashed with latest Speeduino firmware
The Closed Deck X4 is our most feature-packed standalone ECU to date. Powered by the Atmega2560 and fully compatible with the official Speeduino firmware (no code modification required), it offers exceptional flexibility and capability for a wide range of engine setups and applications.
Included:
Closed Deck X4 ECU (assembled as pictured)
Harness-side connectors and pins
Arduino Mega 2560 "Pro" pre-flashed with latest Speeduino firmware
The Closed Deck X4 is our most feature-packed standalone ECU to date. Powered by the Atmega2560 and fully compatible with the official Speeduino firmware (no code modification required), it offers exceptional flexibility and capability for a wide range of engine setups and applications.
Included:
Closed Deck X4 ECU (assembled as pictured)
Harness-side connectors and pins
Arduino Mega 2560 "Pro" pre-flashed with latest Speeduino firmware
Hardware feature List:
Supports up to 8 cylinders for both fuel and ignition, using 4 fuel channels and 4 ignition channels. Full sequential fuel and ignition for 2 (even fire only), 3, and 4-cylinder engines. Wasted spark and semi-sequential operation for 6 (even fire only) and 8-cylinder engines.
4 x Fuel Injector Outputs
4 x Ignition Outputs (Selectable voltage: 12V or 5V)
4 x Pre-configured analog input channels (CLT, IAT, TPS, O2 sensors)
5 x Customizable spare analog inputs - e.g., oil pressure, fuel pressure
3 x Trigger inputs: Crank + dual camshaft position support
6 x Digital inputs - e.g., Flex Fuel, Vehicle Speed Sensor, Clutch switch
Dual VR conditioner mount (VR conditioner not included)
4-bar MAP sensor (up to 43 PSI boost)
Barometric pressure sensor (real-time atmospheric compensation)
DRV8825 mount for stepper idle valve control
10 x Digital Outputs (2A max each) - e.g., Idle, Boost, VVT, Fuel Pump, Fan
Dedicated tachometer output
2 x Serial headers (Serial0 & Serial3) - ideal for Bluetooth or WiFi modules
USB-C header (automatically disables Serial0 when USB is connected)
Open Source and Customizable:
Full control with open-source hardware and firmware.
Affordable and Reliable:
Serious performance without the high price tag.
Backed by a Big Community:
Lots of guides, support, and real-world experience available.
Tested Before Shipping:
Every ECU is tested to ensure top quality and reliability.