| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | ST-03BH | Soberton | Audio Magnetic Transducer, 2.73kHz, 3.6V, SMD |
 | ZA048MADL1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 |
| SMA-30-P15 |
| Sonitron |
| Audio Buzzer 1.5VDC 24VDC 4.1mA 12VDC 87dBAdBA 2485Hz to 2515Hz Through Hole Pin |
| SC628AHPR | Mallory Sonalert | Audio Indicators & Alerts FAST PULSE, 6-28VAC 4500HZ, MEDIUM |
 | PS-523AQ | Mallory Sonalert | Audio Indicators & Alerts SIREN, 5-15VDC 105DB, 45X58X40MM |
| SCE120MA3MP1B | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 40mA 75dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
 | EM6027-423-G | Horn | MIC COND ANALOG OMNI -42DB |
| SCE120LA3SR4B | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 40mA 85dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
| SDC1614L5-01 | TDK | AUDIO MAGNETIC INDICATOR 4-8V TH |
| ZA028SAPS1 | Mallory Sonalert | Audio Indicators & Alerts SHORT PULSE TONE 65-75 dB 16-28 V |
 | SMT-11 | Projects Unlimited | Speakers & Transducers |
 | EM1050-38-G | Horn | MIC COND ANALOG OMNI -38DB |
 | ST-04BL | Soberton | AUDIO MAGNETIC XDCR 4-6V SMD |
 | ZA048SAPS1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
| EM9745P-442-G | Horn | MIC COND ANALOG OMNI -44DB |
 | BJ-28411-000 | Knowles | Microphones 7.92 X 5.70 X 4.14MM -88 SENS, 0-12N PORT |
 | FG-23652-C36 | Knowles | Microphones Omni-Directional Microphone |
 | SMT-12 | Projects Unlimited | Speakers & Transducers 6.5mm 2400Hz SMT |
 | EM6035-403-G | Horn | MIC COND ANALOG OMNI -40DB |
 | EC-26368-000 | Knowles | Speakers & Transducers Balanced Armature Speaker |
