Sounder, 32 Tones user selectable, deep base - AS364 UTC Fire & Security
Sounder, 32 Tones user selectable, deep base, mains powered - AS364M UTC Fire & Security
White Sounder, 32 Tones user selectable, deep base - AS364W UTC Fire & Security
Fire sounder, 64 Tones user selectable, high output, IP66 - AS376 UTC Fire & Security