VC 100V Line Volume Controls with Relay.
Available in 20W, 40W and 60W versions.11 volume positions (10 + off).Fitted with 24V RelayCan be used to switch the speaker off.
Volume control should be rated high than the speaker
Rugged plastic fascia2 x M3 wall screws includedRequires back box (not supplied)
20W, 40W and 60W