| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| AOM-4546P-R | Projects Unlimited | MICROPHONE COND ANALOG OMNI | |
 | ZA028LDSP1 | Mallory Sonalert | TRANSDUCER, ALARM, 95DBA, 28V, PANEL |
 | SC250 | Mallory Sonalert | Audio Indicator Piezo 60VDC/60VAC 250VDC/250VAC 18mA 68dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
 | AOW-4544L-C3310-B-R | Projects Unlimited | Microphones -44DB 2VDC .5MA 2.2KOHM |
 | AT-2428-TWT-R | Projects Unlimited | Speakers & Transducers 90 dBA 12Vpp 2800Hz |
 | M2BJ-BH24D | Omron | 24V Buzzer, 3kHz, 16mm Dia, Panel Mount |
 | SMT-0824-TW-5V-R | Projects Unlimited | Speakers & Transducers SMD TRANSDUCER 5VP-P 60MA |
 | SMT-0824-SW-5V-R | Projects Unlimited | Speakers & Transducers 5VP-P 80MA |
| TOM-1545S-R | Projects Unlimited | MIC COND ANALOG OMNI -45DB 4MM D | |
 | PK-27N35WQ | Mallory Sonalert | AUDIO PIEZO INDICATOR 3-28V CHAS |
 | SMT-1027-S-R | Projects Unlimited | Speakers & Transducers SMD TRANSDUCER 1.5VP-P 80MA |
 | AST1575BMAQ | Mallory Sonalert | Speakers & Transducers XDUCR, CUT TAPE 3650HZ, 85DB, 8MM H |
 | SPK0833LM4H-B | Knowles | MEMS Microphones MIC SISONIC ZERO HIEGHT DIGITAL |
 | AS07104PO-WR-R | Projects Unlimited | 4 Ohm 3W Water Resistant Dynamic Speaker, 100Hz-250Hz |
 | MAS800 | Mallory Sonalert | AUDIO PIEZO INDICATOR 9-12V TH |
 | SPV0840LR5H-B | Knowles | MIC MEMS ANALOG OMNI -38DB |
 | ZA028MDCT | Mallory Sonalert | Audio Indicator Piezo 16VDC/16VAC 28VDC/28VAC 40mA 85dBA 2800Hz to 3800Hz Panel Mount Bulk |
 | MSS5M1 | Mallory Sonalert | Audio Piezo Buzzer 5V DC, 2.075kHz, 8 Ohm, Thru Hole |
 | SMT-0927-S-6-R | Projects Unlimited | AUDIO MAGNETIC XDCR 2.5-4.5V SMD |
 | SC648AN | Mallory Sonalert | MALLORY SC648AN TRANSDUCER, PIEZO, 2.9KHZ, 95DBA, 48V |
