| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | MB4015ASC-1 | Knowles | MIC COND ANALOG OMNI -42DB 4MM D |
 | EM6050-423-G | Horn | MIC COND ANALOG OMNI -44DB |
 |
| Projects Unlimited |
| BUZZER ELEMENT PIEZO 4.1KHZ 41MM |
 | SCE016XD3SD5B | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 95dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
| SCE120XA3SD5B | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 70mA 95dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
 | EM6050P-423-G | Horn | MIC COND ANALOG OMNI -42DB |
| ZA048SASS1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | 7BB-20-6C | Murata | Audio Indicators & Alerts 8.5nF +/-30% 6.3kHz +/-0.6kHz |
 | FFC-26795-I04 | Knowles | Speakers & Transducers 5.17 X 3.55 X 3.00MM 100.5 SENS, 12C PORT |
 | ZA028LAPS1 | Mallory Sonalert | Audio Indicators & Alerts SHORT PULSE TONE 85-95 dB 16-28 V |
 | ST-04BT | Soberton | Audio Magnetic Transducer, 3.2kHz, 3.6V, SMD |
 | ST-04CH | Soberton | SMD Magnetic Transducer 5V 2.73kHz |
| SCH616CPR | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 16mA 68dBA 2400Hz to 3400Hz Flange Mount Screw Bulk |
| SC628FP | Mallory Sonalert | GLOVE, POLYAMIDE, L/FREE, PU, SIZE 6 - More Details |
 | PK-2316N04P-06Q | Mallory Sonalert | BUZZER MAG 6V 22.5 X 16MM RADIAL |
 | AI-2828-TT-6V-R | Projects Unlimited | Audio Indicators & Alerts 6VDC 35MA 100DBA 2800HZ |
 | ST01CL | Soberton | AUDIO MAGNETIC XDCR 4-6V SMD |
 | SCL120XA3CTB | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 20mA 95dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
| PF-35N29WQ | Mallory Sonalert | INDICATOR; PIEZOELECTRIC ALARM; 90 DB (MIN.) @ 30 CM, 12 VDC; FAST PULSE; 3 TO 28 |
 | POM-3044P-R | Projects Unlimited | PROJECTS UNLIMITED POM-3044P-R MICROPHONE, OMNI PCB, 6MM |
