Mallory Sonalert is a manufacturer of audible signaling devices, including buzzers, speakers, and transducers.

Medical Sounder 9-12VDC 150-4000Hz 100dB @ 10cm
Magnetic Transducer, 3V, 2.7kHz, 85dB @ 10cm, SMD
Active Electromagnetic Buzzer, 5V, 85dB @ 10cm, Through Hole
Buzzer Piezo 3V 9mm x 9mm SMD 2.7kHz 80dB
Surface Mount Magnetic Indicator, 3-7VDC, 85dB, 3500Hz
85dB Active Piezoelectric Indicator, 2-5 VDC, 3.9kHz, Plugin
Piezo Audio Transducer, 3Vp-p, 80dB, 4000Hz, SMT
Cap Film 0.047uF 400V PET 5% (13 X 6 X 12mm) Radial Wound 10mm 125C
Single Color LED,
Audio Indicator Piezo 5VDC 15VDC 350mA 12VDC 105dBA 1500Hz to 3500Hz Bracket Mount Wire Lead
Audio Indicator Piezo 28VDC 48VDC 40mA 75dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk
Audio Indicator Piezo 2VDC 5VDC 50mA 3VDC 85dBA 1900Hz to 2700Hz Through Hole Pin Tray
Single Color LED,
22 mm panel mount, Chime Tone, 16-28 VDC
Cap Film 0.1uF 100V PET 5% (10.5 X 3.5 X 7mm) Radial Wound 7.5mm 125C Bulk
AUDIO PIEZO INDICATOR 5-24V TH
Audio Indicator Piezo 16VDC 28VDC 50mA 75dBA 2100Hz to 5800Hz Through Hole Pin Bulk
Audio Indicator Piezo 16VDC 28VDC 40mA 85dBA 2800Hz to 3800Hz Panel Mount Bulk
Audio Indicator Piezo 16VAC 28VAC 40mA 85dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk
AUDIO ALERT AND INDICATOR