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 SFX10 SFX+ Sound Capsule Steam Express Locomotive
TTSFX11 Train Tech SFX+ Sound Capsule Steam Freight Locomotive
Train-Tech SSFX70 SFX+ Sound Capsule Goods Freight Sounds
Train Tech SFX Sound Capsule - Steam Express Locomotive Model Railways TTSFX10
Train-Tech SSFX20 SFX+ Sound Capsule Diesel Locomotive
Train-Tech SSFX21 SFX+ Sound Capsule Diesel Locomotive Continuous
