| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | AI-278 | Projects Unlimited | Audio Indicators & Alerts 87 dBA 12VDC 1800Hz |
| SCE028LA3PS1B | Mallory Sonalert | AUDIO PIEZO IND 16-28V PNL MNT | |
 |
| AI-223 |
| Projects Unlimited |
| Audio Indicators & Alerts 76dB CONT 400Hz 24DC |
 | AI-257 | Projects Unlimited | Audio Indicators & Alerts 85 dBA 12VDC 3100Hz |
 | ZA016SDDT7 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | AI-4228-P-FP28 | Projects Unlimited | Audio Indicators & Alerts 12VDC 2800Hz 88dBA |
 | ECM8000 | Behringer | MEASUREMENT MICROPHONE OMNI ELECTRET CONDENSER |
 | HC-23763-000 | Knowles | Speakers & Transducers Balanced Armature Speaker |
| SCE120SA2SP1B | Mallory Sonalert | AUDIO PIEZO IND 48-120V PNL MNT |
| SCE028SA3SD5B | Mallory Sonalert | Audio Indicator Piezo 16VAC 28VAC 40mA 65dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
| SCE016XD2MP1B | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 95dBA 1500Hz to 2500Hz Thread Mount Quick Connect Bulk |
 | FG-23742-C05 | Knowles | Microphones Omni-Directional Microphone |
 | TMC-86-948-S | Floyd Bell | TURBO PANEL MOUNT CONTINUOUS ALA |
| SCE028LA3CM1B | Mallory Sonalert | Audio Indicator Piezo 16VAC 28VAC 40mA 85dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
| SCE016MD2DP2B | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 75dBA 1500Hz to 2500Hz Thread Mount Quick Connect Bulk |
| SCE048SA2DP3B | Mallory Sonalert | Audio Indicator Piezo 28VAC 48VAC 40mA 65dBA 1500Hz to 2500Hz Thread Mount Quick Connect Bulk |
| SCE016MD3DP2B | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 75dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
| ZA016MDSR8 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
| SCE028SD3DT7B | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 65dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
 | TMW-86-948-S(F) | Floyd Bell | TURBO PANEL MOUNT WARBLE ALARM |
