| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| SMT-1427-S-2-R | Projects Unlimited | AUDIO MAGNETIC XDCR 1.2-1.7V SMD | |
 | MSR320SR | Mallory Sonalert | 3.5kHz DC Speaker, 20V Max, 16mA, 23mm Dia, Through Hole |
 | POM-5242L-R | Projects Unlimited | MIC COND ANALOG OMNI -42DB |
 | PT-2020PQ | Mallory Sonalert | Peak-Peak Signal Buzzer Single Tone 2kHz Piezo 1 ~ 30V 80dB @ 5V, 10cm |
 | SCE028MD3CTB | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 75dBA/85dBA 2400Hz to 3400Hz Panel Mount Bulk |
 | TOM-1545L-R | Projects Unlimited | MIC COND ANALOG OMNI -45DB 4MM D |
 | ZA120LASP1 | Mallory Sonalert | MALLORY ZA120LASP1 TRANSDUCER, ALARM, 95DBA, 120V, PANEL |
 | ZA016LDMP1 | Mallory Sonalert | Audio Indicators & Alerts 22MM, 6-16VDC, ROHS, STK |
 | MSR516NSR | Mallory Sonalert | MALLORY MSR516NSR PIEZO |
 | POM-2746L-R | Projects Unlimited | MIC COND ANALOG OMNI -46DB 6MM D |
 | PKM13EPYH4000-A0 | Murata | AUDIO PIEZO TRANSDUCER 30V TH |
 | SMT-0825-S-4-R | Projects Unlimited | AUDIO MAGNETIC XDCR 2.5-4.5V SMD |
| AOM-4542P-R | Projects Unlimited | PROJECTS UNLIMITED AOM-4542P-R MICROPHONE, OMNI PCB, 9.7MM | |
| TOM-1242L-NF-R | Projects Unlimited | MIC COND ANALOG OMNI -42DB 4MM D | |
 | ZA028MDMP1 | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 75dBA 3400Hz to 4400Hz Panel Mount Quick Connect Bulk |
 | ZA028MASU2 | Mallory Sonalert | Audio Indicators & Alerts FAST SPEED UP 75-85 dB 16-28 V |
 | ZA028LASU2 | Mallory Sonalert | Audio Indicators & Alerts FAST SPEED UP 85-95 dB 16-28 V |
 | ZA028MACM1 | Mallory Sonalert | Audio Indicators & Alerts 16 to 28 VAC/DC 3300 +/- 500 Hz |
 | AOM-6545L-R | Projects Unlimited | PROJECTS UNLIMITED AOM-6545L-R MICROPHONE, OMNI LEADS, 9.7MM |
 | SCH110NR | Mallory Sonalert | LOCATION ALARM, 2900 HZ, 95dBA, 30-120VAC/VDC |
