| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | AB1290B | Projects Unlimited | BUZZER ELEMENT STD 9KHZ 12MM |
 | POM-2240P-C33-R | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 |
| SC616WY |
| Mallory Sonalert |
| Audio Indicator Piezo 6VDC 16VDC 27mA 62dBA 1750Hz to 2900Hz Panel Mount Screw Bulk |
 | KPEG613SAN | Kingstate | Audio Indicator Piezo 30VDC/30VAC 120VDC/120VAC 17mA/20mA 67dB/69dB 2300Hz to 3300Hz Panel Mount Solder Lug Box |
 | KPEG350H | Kingstate | Audio Indicator Piezo 8VDC 18VDC 15mA 12VDC 95dB 2300Hz to 3300Hz Flange Mount Wire Lead |
 | SC648ADJR | Mallory Sonalert | Audio Indicator Piezo 10VDC/10VAC 48VDC/48VAC 20mA 60dBA 1600Hz to 2200Hz Panel Mount Screw Bulk |
| AST1750MAQ | Mallory Sonalert | AUDIO INDICATOR, 4kHz, 80dB, 20V - More Details |
 | AB2022A | Projects Unlimited | Audio Indicators & Alerts 2.2KHZ 500 OHMS 80NF |
 | AT-1220-TWT-5V-R | Projects Unlimited | AUDIO MAGNETIC XDCR 3-8V TH |
| SC628AFR | Mallory Sonalert | TRANSDUCER, PIEZO, 2.9KHZ, 78DBA, 28V - More Details |
 | FG-23629-P16 | Knowles | Analog MEMS Microphone, Omnidirectional, 10kHz, 50uA |
 | AT-3045-TF-LW110-R | Projects Unlimited | AUDIO PIEZO XDCR 1-50V CHASSIS |
 | SC110DP | Mallory Sonalert | Fast Pulse Audio Dev, 30-12V AC/DC, PNLMNT |
 | AOM-4546P-NF-R | Projects Unlimited | Microphones 2.2kOhm x 9.7mm |
 | SC630JWR | Mallory Sonalert | Audio Indicators & Alerts SLOW WARBLE, 6-30VDC MEDIUM |
 | PKM33EPH1201C | Murata | Audio Ringer Piezo 40Vp-p 30Vp-p 68dB Through Hole Pin Bulk |
 | POM-3535P-3-R | Projects Unlimited | MEMS Condenser Mic, Analog Omni, 2.2kR, 3.7mm H, 6mm D |
 | INMP510ACEZ-R7 | TDK | MEMS Microphone, Analog, Omnidirectional, LGA, 350Ω |
 | 31-801.002 | EOZ | EAO 31-801.002 TRANSDUCER, BUZZER, 2KHZ, 88DBA, 26VDC |
| AB3432F | Projects Unlimited | BUZZER ELEMENT STD 3.2KHZ 34.6MM |
