| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | SMT-0825-T-2-R | Projects Unlimited | Surface Mount Square 3.6V 90mA 70°C Lead Free |
 | PFD-21N30PQ | Mallory Sonalert | Piezo Indicator, 3-Pin, 80dBA, -20 to 70°C, 3 to 30VDC |
| PLD-35A29WQ |
| Mallory Sonalert |
| PLD Series 12V 10mA DC Rated Audio Component with Flanged Mount |
 | M2BJB06 | Omron | Omron M2BJB06 Panel Mount Relay, 66V, 20mA, 55°C |
 | AT-1224-TWT-4-R | Projects Unlimited | 12V 40mA Radial Through Hole Audio Component |
 | BL-27046-000 | Knowles | Omnidirectional Electret Condenser Microphone, 1.3V, 160uA, Rectangular, Solder |
 | AS05008PR-WR-R | Projects Unlimited | General Purpose Speaker, 50mm Diameter, 12mm Depth, 8 Ohm Impedance, Water Resistant |
 | AT-2460-TF-LW100-R | Projects Unlimited | Round Audio Component, 10V, 8mA, Panel/Flanges/Chassis Mount, 50/Pack |
 | SCE048MA3CTB | Mallory Sonalert | 28V 20mA Panel Mount Piezo Driver |
 | PT-2735FPQ | Mallory Sonalert | PT Series 12V Radial Through Hole Audio Component |
 | KPEG203 | Kingstate | 24.5mm Diameter Piezo Speaker, 3.9kHz Max Frequency, Through Hole Mount |
 | ANM-5254L-R | Projects Unlimited | ANM Series 1.5V 500uA Wire Mount MEMS Electret Condenser |
 | AT-2250-T-LW50-R | Projects Unlimited | 22mm Round Through Hole Component, 15V, 5mA, -20°C to 60°C |
 | KPEG650SAN | Kingstate | Piezo Indicator Panel Mount 4VDC-28VDC 12mA 69dB |
 | SCE120XA3MP1B | Mallory Sonalert | 120mm Panel Mount Piezoelectric Speaker, 42.85mm Diameter, 2.9kHz |
 | BW-21789-000 | Knowles | MEMS Electret Condenser Microphone, 1.3V, 50uA, SMD/SMT Package, 25 Units |
 | SMT-0827-SW-5V-R | Projects Unlimited | AUDIO MAGNETIC XDCR 4-6V SMD |
 | SBM428R | Mallory Sonalert | AUDIO PIEZO INDICATOR 4-28V TH |
 | PK-16N04WA-24Q | Mallory Sonalert | 24V 35mA DC Input Type Panel Mount Audio Component |
 | SMT-0540-T-2-R | Projects Unlimited | 3V Surface Mount Square Audio Component, 100mA, -40°C to 70°C, Lead Free |
