| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| PL-27N25WQ | Mallory Sonalert | Audio Indicators & Alerts SLOW PULSE, 3-28VDC 2.5KHZ, 90DB, 30X16 | |
 | AT-1348-TF-LW90-R | Projects Unlimited | Speakers & Transducers 10Vp-p 4800Hz 6mA |
 |
| PKM22EPPH4007-B0 |
| Murata |
| 22mm Piezo Transducer, 4kHz, 30V, Through Hole |
 | AI-4228-P-CH16-R | Projects Unlimited | Audio Indicators & Alerts 12VDC 2900Hz 86dBA |
 | SPU0410LR5H-QB | Knowles | OEMs, CMs ONLY (NO BROKERS) |
| SCE016XD3SU2B | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 95dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
| SC628JW | Mallory Sonalert | Alarm; 6-28VDC; 78-89db; 2900Hz; Panel Mount; Screw Terminals; Slow Warble |
 | PT-1550WQ | Mallory Sonalert | Audio Indicators & Alerts XDUCR, PIEZO, 5KHZ 80DB, NO FLANGE |
| SCE028LD2TT1B | Mallory Sonalert | Audio Indicators & Alerts TELEPHONE RINGER 16-28VDC, 2KHZ, LOUD |
 | WP-23502-P07 | Knowles | MICROPHONE COND ANALOG OMNI |
 | PKB24SPCH3601-A0 | Murata | Audio Buzzer Piezo 3VDC 15VDC 16mA 12VDC 90dB 3100Hz to 4100Hz Through Hole Pin T/R |
 | ZA028MDDT7 | Mallory Sonalert | Audio Indicators & Alerts 16 to 28 VDC 3300 +/- 500 Hz |
 | ZA028MDDT8 | Mallory Sonalert | Audio Indicators & Alerts 16 to 28 VDC 3300 +/- 500 Hz |
 | BW-21789-000 | Knowles | Microphones |
 | KPEG648S | Kingstate | Audio Indicator Piezo 10VDC 48VDC 16mA 48VDC 66dB 2300Hz to 3300Hz Panel Mount Solder Lug Box |
 | BS2620PH-24-C | International Components | Audio Buzzer 20VDC 28VDC 20mA 24VDC 75dB 350Hz to 450Hz Through Hole Pin |
 | SMT-1028-S-5V-R | Projects Unlimited | Speakers & Transducers SMD TRANSDUCER 5VP-P 70MA |
 | PK-12N40PEQ | Mallory Sonalert | Piezo Audio Indicator, 12VDC, 10mA, 4.1kHz, Through Hole |
| PT-2038FWQ | Mallory Sonalert | Audio Indicators & Alerts XDUCR, PIEZO, 3.8KHZ 85DB, 3WIRES, 24X4.5 |
| ZA120LASR8 | Mallory Sonalert | 22 mm panel mount, Fast Siren, 48-120 VAC/DC |
