| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | FB-DW-30295-000 | Knowles | Microphones IP54 NOISE CANCELING 140MM LONG, 4.2 DIA |
 | POM-1644L-NF-R | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 |
| MLT-03CHN |
| Star Micronics |
| Audio 4.5V 100mA 3.6V 102dB Surface Mount Solder Pad |
 | 7NB-41-1 | Murata | Audio Indicators & Alerts Audio Indicators/ Alerts |
 | SMT-733-2 | Projects Unlimited | Speakers & Transducers 90dB 2700Hz 3.6Vpp |
| ZA028SDSU2 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
| SC628AFPR | Mallory Sonalert | Audio Indicators & Alerts FAST PULSE, 6-28V 2900HZ, SOFT |
| ZA028MDDL1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
| VEK-H-30320-000 | Knowles | Microphones 1M, OMNI, 211MM WIRE 12.7MM DIA X 21MM |
| SCE048LA3CTB | Mallory Sonalert | Audio Indicator Piezo 28VDC/28VAC 48VDC/48VAC 20mA 85dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
 | FB-EM-30344-000 | Knowles | Microphones 10M, NOISE CANCELING 167MM LONG, 5.4 DIA |
 | FB-EM-30348-000 | Knowles | Microphones 10M OMNI, 167MM LONG 60MM WIRE, 5.4 DIA |
| ZA028LASR8 | Mallory Sonalert | AUDIO PIEZO IND 16-28V PNL MNT |
| SC616MPU | Mallory Sonalert | Audio Indicators & Alerts CONSTANT/FAST PULSE 6-16VDC, MIL/RUGGED |
| ZA016LDSS1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | DOM-5246L | Projects Unlimited | Microphones 2.2kOhm x 8mm |
 | POM-2246P | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | ZA120MASS1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | ZA120SASS1 | Mallory Sonalert | Audio Indicators & Alerts 1MIN ONTIME 65-75 dB 48-120 V |
 | ZA120MADT7 | Mallory Sonalert | Audio Indicators & Alerts 22mm 48-120 VAC/DC IP-66 |
