At the heart of each SFX is a microchip containing the real recorded train sounds and a small motion sensor which detects what the train is doing and replays the most appropriate sounds through the tiny loudspeaker.
Train-Tech SFX Sound Capsules SFX 20 & SFX70. New.
Train Tech SFX+ Sound Capsule - Steam Express Locomotive
TTSFX21 Train Tech SFX+ Sound Capsule Diesel Locomotive Continuous
TTSFX50 Train Tech SFX+ Sound Capsule Diesel Multiple Unit
TTSFX80 Train Tech SFX+ Sound Capsule Passenger Coaches
TTSFX11 Train Tech SFX+ Sound Capsule Steam Freight Locomotive
