| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | FG-23453-000 | Knowles | Microphones Omni-Directional Microphone |
| SC628JR | Mallory Sonalert | Audio Indicator Piezo 6VDC 28VDC 20mA 68dBA 2400Hz to 3400Hz Panel Mount Screw Bulk | |
 |
| SC628HR |
| Mallory Sonalert |
| Audio Indicator Piezo 6VDC 28VDC 23mA 78dBA 4000Hz to 5000Hz Panel Mount Screw Bulk |
 | GT-0901A | Soberton | Electromagnetic Buzzer |
| AB4113B | Projects Unlimited | BUZZER ELEMENT PIEZO 1.3KHZ 41MM |
 | SMA-13LC S | Sonitron | Audio Buzzer 1.5VDC 15VDC 0.7mA 12VDC 81dBAdBA 2985Hz to 3015Hz Surface Mount Solder Pad |
 | ZA016LDCT | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 85dBA 2800Hz to 3800Hz Panel Mount Bulk |
 | SMA-13LT S | Sonitron | Audio Buzzer 1.5VDC 15VDC 11.6mA 12VDC 81dBAdBA 2985Hz to 3015Hz Surface Mount Solder Pad |
 | PKB24SPC-3601-B0 | Murata | Audio Buzzer Piezo 3VDC 15VDC 16mA 12VDC 90dB 3100Hz to 4100Hz Through Hole Pin Bulk |
| MSR516X | Mallory Sonalert | Audio Indicator Piezo 5VDC 16VDC 12mA 75dBA 3000Hz to 3800Hz Through Hole Pin |
 | FG-23653-D45 | Knowles | Microphones Omni-Directional Microphone |
 | CEP-1136 | CUI | AUDIO PIEZO XDCR 3-28V CHASSIS |
 | NR-23160-000 | Knowles | MICROPHONE COND ANALOG NC -52DB |
 | SPK0415HM4H-B | Knowles | Mic Mems Digital Pdm Omni -26DB |
 | SC628ADPR | Mallory Sonalert | Audio Indicators & Alerts FAST PULSE, 6-28V 1900HZ, MEDIUM |
| PK-16N04WA-01Q | Mallory Sonalert | Audio Indicators & Alerts CONSTANT, 1-2VDC 400HZ, 24X17X15MM |
| BT-21759-134 | Knowles | Microphones |
 | ZA120LACT | Mallory Sonalert | Piezo Audio Indicator 48-120VDC/VAC 85dBA 2.8-3.8kHz Panel Mount |
| PFD-27N35WQ | Mallory Sonalert | Audio Indicators & Alerts CONSTANT/FAST PULSE 3.5KHZ, 90DB, 30X16 |
 | ROM-2238S-NF-R | Projects Unlimited | MICROPHONE COND ANALOG OMNI |
