Beier SFR-1 Sound Light & Speed Control -



The SFR-1 at a glance:

Beier electronics are made in Germany and are for advanced users.  Programming, soldering etc. are required to use their products.  If you have any questions contact us before purchasing!

Download the SFR Manual free here:

Download the trial version of the sound teacher software free here:

Beier Masterclass on You Tube:


  • Combination of sound module, speed controller and light control unit
  • Much easier connection and programming than with separate modules
  • Suitable for all types of RC models with one motor and a commercial remote control
  • Individually programmable and suitable for all model types
  • For brushed and bell-armature DC motors
  • Supply voltage: 6 - 18 V
  • Max. motor current: 30 A
  • Powerful BEC with 5,6 V, 3 A
  • Inclusive 700 sound files for speed dependent motor, additional and random sounds
  • Use of own recordings and songs possible
  • Powerful built-in amplifier for optimal sound quality
  • 6 proportional inputs to control sound, speed controller, light and servo functions
  • Up to 16 channels via the sum signals S-Bus / SUMD
  • 16 switching outputs for LEDs, lamps, smoke generators, relays, etc.
  • Free programmable light and sound sequences
  • Two programmable servo outputs to control additional movements and mini speed controller
  • Adjustable speed control functions: load regulation, cruise control, mass and steering inertia and different brake functions



The SFR-1 is a multifunctional module and combines the sound module USM-RC-2 and the
speed controller UFR-1230 in one unit. It comes with a large light control unit, three servo outputs and an infrared port for the light module SM-IR-16-2, to transmit light signals to a trailer.

The SFR-1 is suitable for all types of RC standard transmitter. With the various setting options the SFR-1 can be easily adjusted to all model requirements and driving behaviours. For an easy start we have more than 140 ready to use sound projects and 700 sound files for various model types. Of course, own recordings can be used, as well.

Sound functions:
For an authentic sound of the model, sounds can be selected for following areas:
  • Driving and engine sounds for one motor (speed-dependent)
  • Additional sounds (e.g. horns, hydraulic and compressed air noises)
  • Random sounds (e.g. squeaking, animal and ambient sounds)
Driving functions:
One brushed and bell-armature motors (DC) can be controlled smooth and realistic with the SFR-1. An ideal driving behavior can be achieved through a large number of settings.

The speed controller on the SFR-1 has following characteristics:
  • Cruise control functions
  • Different brake functions (with hand- and emergency brake)
  • Adjustable load regulation
  • Adjustable mass inertia
  • Steering inertia (with adjustable steering ankle limits)
  • Adjustment of throttle curve for different driving behaviors
Light functions:
To realize different light effects, the SFR-1 has 16 switching outputs to connect LEDs, lamps, smoke generators and other consumers. Light functions, such as low beam, rear light, brake light, indicator lights, warning lights, flickering lights, etc. can be easily implemented and controlled.

All light functions can be activated or deactivated manually with a proportional channel or with nautic/multiswitche modules and automatically by sounds and movements.

The SFR-1 has a special infrared port to connect the IR transmitter diode for the light module SM-IR-16-2.

Servo movements:
With two additional servo outputs, movements can be synchronised to the played sound

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