Futaba 4EX_c4 Compact 4-Channel FM Controller  [4EX_c4]

Control Precision from Futaba 4EX_c4

The Futaba 4EX_c4 is a 4-channel FM transmitter crafted to deliver steady, precise inputs for RC car pilots. It supports exponential adjustments for ailerons, elevator and rudder, along with wing mixing modes for V-tail and elevon setups to smooth out control responses.

Setup Tools and Adjustments

The transmitter is fitted with a 40-segment LCD so you can check trims and settings at a glance. It includes servo reversing, memory-backed analog trims, and End Point Adjustment across all channels for exact servo travel control.

Power, Modulation and Trainer Use

Operating on FM modulation, the unit accepts a 9.6V NT8S600B NiCd battery or a 12V alkaline battery. There is a low battery warning to avoid surprises and a trainer system plus trainer box support for coaching or practice sessions.