The MSO320R is a medium sound level audible alarm designed for printed circuit board mounting that generates a continuous tone. It operates over a wide voltage range from 3 to 20 Vdc and produces a sound frequency of 3400 Hz ±400 Hz. The device delivers a sound pressure level ranging from a minimum of 60 dB(A) at 3 Vdc to 78 dB(A) at 20 Vdc, measured from 2 feet. With an operating temperature range of -20°C to +65°C and a lightweight Valox housing, this component is suitable for various electronic devices requiring a reliable audible indicator.