White Sounder, 32 Tones user selectable, deep base - AS364W UTC Fire & Security
Sounder, 32 Tones user selectable, deep base, mains powered - AS364M UTC Fire & Security
Sounder, 32 Tones user selectable, deep base - AS364 UTC Fire & Security
Fire sounder, intrinsic safe, 49 Tones user selectable, surface mount - AS372 UTC Fire & Security
