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 SFX50+ Sound Capsule Diesel DMU Unit
Train-Tech SFX80+ Sound Capsule Passenger Coaches
Train Tech SFX+ Sound Capsule - Steam Express Locomotive
Train Tech SFX+ Sound Capsule - Diesel Locomotive
TTSFX50 Train Tech SFX+ Sound Capsule Diesel Multiple Unit
