The 8 pin models use a Loksound 5 in the power car and a Loksound FX in the dummy. The 21 pin models are powered at both ends so use a standard sound and motor decoder at both ends, so are priced slightly higher.
Supplied with our recommended sound from one of our providers or you can select 'other' from the drop down menu if you would like the sound of a specific provider. You can add a note on the checkout page to let us know who's sound to use.
Choose either the standard sugarcube speaker kit or a FREE speaker upgrade from the list.