| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| BJ-28471-000 | Knowles | Microphones OUTPUT IMP AT 1KHz 150 OHMS | |
 | GT-12QP-3 | Soberton | AUDIO MAGNETIC XDCR 1-2V TH |
 |
| Projects Unlimited |
| Microphones 2.2kOhm x 6mm |
 | ZA120SAPS1 | Mallory Sonalert | Audio Indicators & Alerts SHORT PULSE TONE 65-75 dB 48-120 V |
 | EM8050U-514 | Horn | MIC COND ANALOG UNI -51DB |
 | AOM-5538L-NF | Projects Unlimited | Microphones 2.2kOhm x 10mm |
 | ROM-2238P-NF | Projects Unlimited | Microphones 2.2kOhm x 5.8mm |
 | WST-1205S | Soberton | Magnetic Transducer, 12mm, 2.3kHz, 5V, Through Hole |
 | WST-1612S | Soberton | 12V 40mA 16mm Piezo Buzzer, Through Hole, 2.3kHz |
| GT-0915RP2 | Soberton | Electromagnetic Buzzer |
| SC648MAN | Mallory Sonalert | Audio Indicators & Alerts CONSTANT, 10-48V MIL/RUGGED, LOUD |
 | PFD-27A35PQ | Mallory Sonalert | Audio Indicators & Alerts CONSTANT/FAST PULSE 3-24VDC, 95DB, 30X16 |
| PNM-3546L | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | ZA016MDDL1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | ZA028MDSS1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | ZA120SADL1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | FB-EM-30343-000 | Knowles | Microphones 3M, NOISE CANCELING 167MM LONG, 5.4 DIA |
 | ZA016SDSU2 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | ZA016SDDL1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | ZA028SDSS1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
