| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | PKMCS0909E4000-R1 | Murata | Piezo Buzzer 12.5VDC 4kHz SM Solder Tape Reel |
 | POM-2242P-C33-R | Projects Unlimited | MIC COND ANALOG OMNI -42DB |
| SC628MNP | Mallory Sonalert | Audio Indicators & Alerts FAST PULSE, 6-28VDC MIL/RUGGED, LOUD | |
 | AW-05CR-NC | Projects Unlimited | SIREN PIEZO IND 10-28V BASE |
| SNP428R | Mallory Sonalert | Audio Indicator Piezo 4VDC 28VDC 16mA 64dBA 2400Hz to 3400Hz Panel Mount Solder Lug Bulk | |
| SDC1610M5-01 | TDK | GLOVE, POLYAMIDE, L/FREE, PU, SIZE 6 - More Details | |
 | SMT-0826-S-R | Projects Unlimited | SMD Magnetic Transducer 2.63kHz 3.6V 90mA |
 | AI-2304-TF-LW120-R | Projects Unlimited | AUDIO MAGNETIC IND 20-28V CHAS |
| SCH628R | Mallory Sonalert | AUDIO PIEZO IND 6-18V PNL MNT | |
 | AOM-4540L-R | Projects Unlimited | PROJECTS UNLIMITED AOM-4540L-R MICROPHONE, OMNI LEADS, 9.7MM |
 | AOM-6746L-R | Projects Unlimited | MICROPHONE, OMNI LEADS, 9.7MM |
 | SC110NJR | Mallory Sonalert | Audio Indicator Piezo 30VDC/30VAC 120VDC/120VAC 24mA 80dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
| SC648ANPR | Mallory Sonalert | Audio Indicators & Alerts FAST PULSE, 10-48V 2900HZ, LOUD | |
 | SMT-1640-S-2-R | Projects Unlimited | SMD Piezo Transducer, 4kHz, 1-25V, 16x16mm, 2.5mm H |
| M2BJ-B24 | Omron | AUDIO PIEZO IND 12-24V PNL MNT | |
| AWB-25R6-12 | Projects Unlimited | SIREN MAGNETIC IND 9-15V BASE | |
| SMI-1324-TW-12V-R | Projects Unlimited | AUDIO MAGNETIC IND 8-15V SMD | |
 | POM-2742P-2-R | Projects Unlimited | MIC COND ANALOG OMNI -42DB 6MM D |
| SC628NLR | Mallory Sonalert | Audio Indicators & Alerts CONSTANT, 6-28VDC 2900HZ, CUL APPRVD | |
 | MSR516NR | Mallory Sonalert | Piezo Buzzer 5-16VDC 14mA 3.9kHz 88-96dBA Through Hole |
