Compact Sounder The Compact Sounder is particularly suited to fire alarm applications such as hotel bedrooms or areas where an unobtrusive sounder is desirable. The Compact Sounder is designed to fix to standard flush or surface mount back boxes. With a choice of 10 tones, Compact Sounders are available in either red or white. Flush mount sounder 10 distinct alarm tones Fixes to standard flush or surface mount back boxes Volume control Current (tone dependent) * Tones 1-9 and tone 13 from the standard 32 tone list IP Rating: Indoor Construction: Flame Retardant ABS Signalling Solutions