| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | 7BB-41-2L0 | Murata | Audio Indicators & Alerts 2.2KHz 41mm Ext Dr |
| SCE120LA2FP1B | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 40mA 85dBA 1500Hz to 2500Hz Thread Mount Quick Connect Bulk | |
| SCE120SA3CTB |
| Mallory Sonalert |
| Audio Indicators & Alerts CONSTANT 30-120V, 3KHZ, SOFT |
 | KBS-27DA-5C-105 | Kyocera | Buzzer Element Piezo 4.6KHz 27Mm |
 | ZA028SDDL1 | Mallory Sonalert | Audio Indicators & Alerts 10 SEC DELAY 65-75 dB 16-28 V |
 | PS-593SCQ | Mallory Sonalert | AUDIO PIEZO INDICATOR 5-15V CHAS |
| SMT-9403A | Projects Unlimited | Speakers & Transducers 87dBA 3.6Vpp 2100Hz |
 | AB2036B | Projects Unlimited | Audio Indicators & Alerts 20MM DIA 3.6KHZ |
 | SBM616J | Mallory Sonalert | AUDIO PIEZO INDICATOR 6-16V TH |
 | PKM13EPYH4002-A0 | Murata | Audio Sounder Piezo 30Vp-p 3Vp-p 70dB Through Hole Pin T/R |
| ZA016MDPS1 | Mallory Sonalert | Audio Indicators & Alerts SHORT PULSE TONE 75-85 dB 6-16 V |
 | POM-2742P | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | SC648ANJ | Mallory Sonalert | Audio Indicator Piezo 10VDC/10VAC 48VDC/48VAC 26mA 80dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
 | PL-35A29WQ | Mallory Sonalert | Audio Indicator Piezo 3VDC 24VDC 10mA 12VDC 95dBA 2400Hz to 3400Hz Flange Mount Wire Lead Bulk |
 | FB-DW-30293-000 | Knowles | Microphones IP54 NOISE CANCELING 140MM LONG, 4.2 DIA |
 | PS-552Q | Mallory Sonalert | Audio Indicator Piezo 5VDC 15VDC 200mA 12VDC 105dBA 2150Hz to 3850Hz Flange Mount Wire Lead Bulk |
| SCE028MD3MG4B | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 75dBA 2400Hz to 3400Hz Thread Mount Screw Bulk |
| SC616JU | Mallory Sonalert | Audio Indicator Piezo 6VDC/6VAC 16VDC 12mA 68dBA 2400Hz to 3400Hz Panel Mount Screw |
| POM-2740P | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | WT-1201 | Soberton | Electromagnetic Buzzer |
