| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | AB1070B | Projects Unlimited | BUZZER ELEMENT PIEZO 7KHZ 10MM |
 | ZA016LDFP1 | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 85dBA 2800Hz to 3800Hz Panel Mount Bulk |
| PLD-27A35PQ |
| Mallory Sonalert |
| DC Buzzer Pin Selectable 3.5kHz Piezo (with Feedback) 3 ~ 24V 95dB @ 12V, 30cm |
 | PL-21N30PQ | Mallory Sonalert | PL Series 12V 12mA Through Hole DC Audio Component |
 | SC648ANJ | Mallory Sonalert | Audio Indicator Piezo 10VDC/10VAC 48VDC/48VAC 26mA 80dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
| AB4113B | Projects Unlimited | BUZZER ELEMENT PIEZO 1.3KHZ 41MM |
 | SCH110NJR | Mallory Sonalert | Audio Indicators & Alerts SLOW PULSE, 30-120V LOUD, CLASS I DIV II |
 | SCE016XD2CTB | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 95dBA 1500Hz to 2500Hz Panel Mount Bulk |
 | BRP2304L-30 | International Components | Audio Piezo 30Vp-p 10Vp-p 80dB 5000Hz to 6000Hz Flange Mount Wire Lead |
 | ZA016LDCT | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 85dBA 2800Hz to 3800Hz Panel Mount Bulk |
 | SD1614TT-B3M | TDK | AUDIO MAGNETIC XDCR 6-16V TH |
 | SC648AHR | Mallory Sonalert | Audio Indicators & Alerts CONSTANT, 10-48VAC 4500HZ, MEDIUM |
 | EK-23027-C36 | Knowles | MICROPHONE COND ANALOG OMNI |
 | AB1290B | Projects Unlimited | BUZZER ELEMENT STD 9KHZ 12MM |
| SCE120XA3FP1B | Mallory Sonalert | Panel Mount Piezo Indicator 48VAC to 120VAC 40mA 95dBA |
 | VFG-30747-000 | Knowles | Knowles VFG-30747-000 Waterproof Electret Condenser Microphone |
 | APS4812B-LW100-R | Projects Unlimited | Piezo 50mm Round Ceramic 3.5kR 1.2kHz 30V 70°C |
 | SC648MD | Mallory Sonalert | 20mA DC Input Tone Generator, 42.85mm Diameter, 85°C Operating |
 | FG-23742-D65 | Knowles | Microphones Omni-Directional Microphone |
 | GT-0901A | Soberton | Radial Piezo Driver, 1.5V, 80mA, Through Hole, -20°C to 60°C |
