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.
Steam Freight locomotive sound capsule Train Tech SFX11
Train-Tech SSFX70 SFX+ Sound Capsule Goods Freight Sounds
Train Tech SFX10 SFX+ Sound Capsule Steam Express Locomotive
Train-Tech SFX Sound Capsules SFX 20 & SFX70. New.
Train Tech SFX+ Sound Capsule - Steam Express Locomotive
Train Tech SFX+ Sound Capsule - Diesel Locomotive
