Sanwa RX-331S FM40MHz Synthesizer Receiver - Race-Ready Unit  [RX-331S/40F]

Sanwa RX-331S tuned for tight track control

In competitive RC environments where every input counts, the Sanwa RX-331S Synthesizer Receiver delivers steady, predictable response. This 40MHz unit is built to give racers and dedicated hobbyists the control needed to shave tenths off lap times while remaining easy to set up and use.

How the RX-331S improves steering accuracy

The receiver uses synthesizer circuitry to minimise noise and maintain a clean link between transmitter and model. That means consistent command execution and fewer lost moments on braking zones or quick direction changes.

Plug-and-play compatibility with common rigs

Fit the RX-331S into a variety of transmitter systems without fuss. Its straightforward connections and familiar layout make pairing fast, so you can get back to practice or race day with minimal bench time.

Robust construction for racing conditions

Designed for repeated use in demanding settings, this receiver features a tough enclosure and reliable internal components. It handles bumps, vibration, and the usual track wear so you can depend on it round after round.

The Sanwa RX-331S is a sensible upgrade for pilots who want precise, interference-resistant control without a steep learning curve; its balance of accuracy and durability makes it a practical choice for regular track use.