Uses Hornby's latest HM7000 sound system. This lococ has already sold out at Hornby.
Hornby R30438TXS BR Class 55 The Kings Yorkshire Light Infantry 55002 OO Sound
Hornby R7322 HM7000-21TXS: Bluetooth® & DCC Sound Decoder (21-pin) - Hornby Accessories for 00 Gauge Track & Train Sets - Compatible with Select Hornby Model Trains, White
