| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | SCH110NJR | Mallory Sonalert | Audio Indicators & Alerts SLOW PULSE, 30-120V LOUD, CLASS I DIV II |
| POM-1644P-NF | Projects Unlimited | Microphones 2.2kOhm x 6mm | |
| GT-111P |
| Soberton |
| AUDIO MAGNETIC XDCR 1-4V TH |
| AOM-6742L | Projects Unlimited | Microphones 2.2kOhm x 9.7mm |
| SC628DJ | Mallory Sonalert | AUDIO PIEZO IND 6-28V PNL MNT |
 | AB1541 | Projects Unlimited | Audio Indicator Diaphragm Piezo Wire Lead 3600Hz to 4600Hz |
| AI-431 | Projects Unlimited | Audio Indicators & Alerts PZ 105dB 2800Hz 12DC |
 | ZA120LASR9 | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 40mA 85dBA 3400Hz to 4400Hz Panel Mount Quick Connect Bulk |
 | SCE028SD3MP1B | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 65dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
 | AB3528B | Projects Unlimited | Audio Indicators & Alerts 30VP-P 300 OHM |
 | PF-21A29PQ | Mallory Sonalert | Audio Indicator Piezo 3VDC 24VDC 18mA 12VDC 85dBA 2500Hz to 3500Hz Through Hole Pin Bulk |
 | AOM-6545L | Projects Unlimited | Microphones 1.0kOhm x 9.4mm |
 | KBS-15DB-4A | Kyocera | Piezo Buzzers |
 | POM-1844P-C33-R | Projects Unlimited | Microphones 2.2koHM X 6mm |
 | POM-3546L | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | KPEG209 | Kingstate | Audio Indicator Piezo 9VDC 12VDC 35mA 12VDC 91dB 2400Hz to 3400Hz Through Hole Pin |
 | FB-FO-25581-000 | Knowles | Microphones OMNI, 104MM LONG 140MM WIRE, 5.9 DIA |
 | POM-5242L | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | POM-2738P | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | POM-3542L | Projects Unlimited | Microphones 2.2kOhm x 6mm |
