ESU Loudspeaker 20mm round 4.Ohms 1-2w with Sound Chamber
Speakers for Decoders with LokSound V4.0 and LokSound micro V4.0
LokSound V4.0 and LokSound micro V4.0 decoders need the a speaker with an impendance of 4 Ohms. With the present 100 Ohms loudspeakers you would hardly hear anything.
Conversely, you must never use a 4 Ohms speakers with the previous LokSound V3.5 decoder. The decoder could be destroyed! When the decoder is replaced, the speaker must! be changed as well.
20mm, round 4 Ohms 1-2 Watts Sound chamber