FEF-3 / GS-4 (Heavy Steam) Soundcard for Sound Box [22-202-1] - $33.00 : KATO USA
Kato Soundbox - New product unboxing and overview - YouTube
RIGHT LINES ARTICLE
Smart Device Controller -for use alone or with KATO Soundbox- (*Power Supply Transfomer Sold Separately) (Model Train) - HobbySearch Model Train N Store
22-102 UNITRACK Sound Box (N scale)
Kato Smart Device Controller unboxing and set-up | Join Michael as he showcases the new Smart Device Controller from Kato USA - how to set it up, how to operate it, and
Kato Sound Box analog sound controller | ModelRailroader.com
22-202-1 FEF-3 and GS-4 Heavy Steam Sound card for Kato
PWRS Pacific Western Rail Systems
Dc sound | ModelRailroadForums.com
Kato Sound Card ~ New 2022 ~ US Light Steam For Soundbox ~ 22-202-4 4949727664606 | eBay
KATO Analog Sound Box with Steam Locomotive Sound Card & Kato 22-012 Kato Pack | #1873906630
N HO Unitrack Analog Sound Box
Video: Kato Sound Box analog sound controller for model trains | ModelRailroader.com