LokSound XL V3.5 and LokSound XL V4.0 decoders work with loud speakers which have an impendance from 8-32 Ohms. ESU offers you a selection of the sizes 40mm, 57mm and 78mm includung sound chamber as well as some high-class Visation XL loudspeakers without sound chamber.

Visaton loudspeakers offer a powerful bass and a high-quality audio playback, whereas ESU loudspeakers are also suitable for open-land vehicles due to their plastic membrane.