| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | SC2036CPR | Mallory Sonalert | Audio Indicators & Alerts CHIME, 20-36VDC 1KHZ, 1 SHOT |
| PT-4532PLQ | Mallory Sonalert | Peak-Peak Signal Buzzer Single Tone 3.2kHz Piezo 3 ~ 50V 100dB @ 12V, 50cm | |
 |
| POM-3546P |
| Projects Unlimited |
| Microphones 2.2kOhm x 6mm |
 | ZA028MDPS1 | Mallory Sonalert | Audio Indicators & Alerts SHORT PULSE TONE 75-85 dB 16-28 V |
| PL-27A35ERQ | Mallory Sonalert | Audio Indicators & Alerts SLOW PULSE, 3-24VDC 3.5KHZ, 95DB, 37X24 |
| POM-2242P | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | WT-1205 | Soberton | 12mm Magnetic Transducer, 4-6V, 2.4kHz, Through Hole |
 | FB-DO-25946-000 | Knowles | Microphones 3M, NOISE CANCELING 54MM LONG, 4.2 DIA |
 | KPEG620AN | Kingstate | Audio Indicator Piezo 60VDC/60VAC 250VDC/250VAC 7mA/18mA 220VDC/220VAC 75dB/76dB 2300Hz to 3300Hz Panel Mount Solder Lug Box |
 | SPM0423HE4H-WB | Knowles | MICROPHONE MEMS DIGITAL PDM OMNI |
 | PB-1408-2 | Soberton | AUDIO PIEZO INDICATOR 3-16V TH |
 | PSR-45N08A-JQ | Mallory Sonalert | Speakers Ferrite 400±20%Hz 0.3W 88±3dBA 8Ohm Round |
 | PB-09C27PE-01AQ | Mallory Sonalert | Speakers & Transducers XDUCR, 1.25-2VPP 2731HZ, 10.5X4MM |
 | POM-5242P | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | POM-2240P | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | POM-3046P | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | ZA120SAMP1 | Mallory Sonalert | AUDIO PIEZO IND 48-120V PNL MNT |
 | POM-2242S | Projects Unlimited | Microphones 2.2kOhm x 6mm |
 | SPM0408HE5H-SB | Knowles | MICROPHONE MEMS ANALOG OMNI |
 | AI-550H | Projects Unlimited | Audio Indicators & Alerts PZ 95dB 2900Hz 12VDC |
