| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | ZA120LADT8 | Mallory Sonalert | 22 mm panel mount, Slow Warble, 48-120 VAC/DC |
 | AOM-4540P-R | Projects Unlimited | PROJECTS UNLIMITED AOM-4540P-R MICROPHONE, OMNI PCB, 9.7MM |
 | AOM-4544P-NF-R | Projects Unlimited | Microphones 2.2kOhm x 9.7mm |
 | SC628R | Mallory Sonalert | Audio Indicator Piezo 6VDC 28VDC 18mA 68dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
 | LSC628AN | Mallory Sonalert | Audio Indicator Piezo 6VDC/6VAC 28VDC/28VAC 65mA 90dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
 | PT-2725FPQ | Mallory Sonalert | BUZZER PIEZO 2.5KHZ 30MM PCB |
| SMT-1324-TW-5V-R | Projects Unlimited | AUDIO MAGNETIC XDCR 4-8V SMD | |
| AI-2429-TWT-12V-4-R | Projects Unlimited | AUDIO PIEZO INDICATOR 3-20V TH | |
| AST1240MLTRQ | Mallory Sonalert | AUDIO PIEZO TRANSDUCER 1-25V SMD | |
| SC616NLR | Mallory Sonalert | AUDIO PIEZO IND 6-16V PNL MNT | |
 | AST605Q | Mallory Sonalert | Magnetic Transducer, 4-7V, 2.4kHz, 50mA, SMD |
| MAS806SQ | Mallory Sonalert | AUDIO PIEZO INDICATOR 6-14V TH | |
 | POM-3546P-R | Projects Unlimited | MIC COND ANALOG OMNI -46DB 6MM D |
 | POM-3046P-R | Projects Unlimited | MIC COND ANALOG OMNI -46DB 6MM D |
 | POM-3042P-R | Projects Unlimited | MIC COND ANALOG OMNI -42DB 6MM D |
 | ZA120LASU2 | Mallory Sonalert | Audio Indicators & Alerts FAST SPEED UP 85-95 dB 48-120 V |
 | SD1209T5-A1 | TDK | Audio Buzzer Electromagnetic 3Vo-p 6Vo-p 60mA 5Vo-p 80dBA Through Hole Pin Tray Automotive |
| PT-2130PQ | Mallory Sonalert | AUDIO PIEZO TRANSDUCER 1-30V TH | |
 | POM-2246P-2-R | Projects Unlimited | MIC COND ANALOG OMNI -46DB 6MM D |
 | FG-23329-P07 | Knowles | Omni MEMS Mic, Analog Output, 10kHz, 50uA, 3V |
