Haltech's Nexus S2 is the successor to the acclaimed Elite 1500, offering a serious upgrade in performance and functionality. The S2 combines all the classic functionality of the Elite 1500 with new features and the superior processing power of the successful Nexus platform. Suits: Engines with up to 4 cylinders or up to 2 rotors. Racing applications where advanced race features and data logging is required. Includes: Nexus S2 ECU, 4 x mounting bolts, USB-C Cable, USB-C dust cap, Quick Start Guide, Wiring Diagram. Features: 4 x peak/hold injector drivers (can be used as low side drive outputs) 4 x low current ignition outputs (can be used as low side drive outputs) 6 x low side drive outputs, PWM capable (DPOs) 4 x push-pull / half bridge outputs (8A, PWM capable), eg for electronic throttle 1 x ECR output 11 x 0-5V analog inputs with redundancy for electronic throttle and switchable 5V pullup Trigger and home inputs with differential inputs, adjustable thresholds and glitch filters 6 x synchronous pulsed inputs, zero crossing or adjustable thresholds - cam sensor inputs, frequency inputs or 0-5V analog inputs 1 x on-board wideband controller, supporting NTK and LSU4.9 1 x on-board 4 bar MAP sensor 2 x CAN ports with switchable termination