One single driver/co-driver volume control. Powered by two 9V PP3 batteries (not supplied) or by car supplying through JA/851 cable - can be fixed on rollbar and dashboard. Can be used with loudspeakers and microphone kit ref. no. JA/849 or headseats (JA/850). Dimensions 125x60mm, h 35mm. (It replaces JA/805).
