| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | FH-23821-000 | Knowles | Speakers & Transducers Balanced Armature Speaker |
| WST-1310S-3 | Soberton | AUDIO MAGNETIC XDCR 8-15V SMD | |
 |
| Knowles |
| Speakers & Transducers Balanced Armature Speaker |
| SCE120MA3SR3B | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 40mA 75dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
 | FEF-26790-I02 | Knowles | Speakers & Transducers 7.87 X 5.59 X 4.01MM 116 SENS, 2S PORT |
| PK-27A29ERB481Q | Mallory Sonalert | Audio Indicators & Alerts 9-48VDC, Continuous Flange,200Hz 94dB |
| FC-27963-000 | Knowles | Speakers & Transducers Balanced Armature Speaker |
 | SP27-GREY | Sonitron | STANDARD BUZZER, BASED ON THE HIGHEST PIEZO TECHNOLOGY |
| SCE028XD2FP1B | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 95dBA 1500Hz to 2500Hz Panel Mount Bulk |
| FK-26433-000 | Knowles | Speakers & Transducers Balanced Armature Speaker |
| MD9745APZ-F | Knowles | MIC COND ANALOG OMNI -44DB |
 | FFH-23371-I04 | Knowles | Speakers & Transducers 5.09 X 2.80 X 2.59MM 97 SENS, 12S PORT |
 | FH-26555-000 | Knowles | Speakers & Transducers Balanced Armature Speaker |
 | FC-26171-000 | Knowles | Speakers & Transducers Balanced Armature Speaker |
 | MB6027ASC-1L | Knowles | MIC COND ANALOG OMNI -42DB |
 | ZA048SAMP1 | Mallory Sonalert | AUDIO ALERT AND INDICATOR |
 | ZA120SAFP1 | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 40mA 65dBA 3400Hz to 4400Hz Panel Mount Quick Connect Bulk |
 | FEH-26796-I02 | Knowles | Speakers & Transducers 5.19 X 3.55 X 3.00MM 98 SENS, 9C PORT |
| PB-1820PL-06AQ | Mallory Sonalert | Speakers & Transducers XDUCR, 3-10VPP 2250HZ, 14x18x11MM |
 | CSQ-706BS | CUI | AUDIO MAGNETIC TRANSDUCER 1-3V |
