| PartNumber | AI-4028-P-SP32-R | AI-4033-TWT-R | AI-400 |
| Description | Audio Indicators & Alerts 98 dba 32VDC 2800Hz | Audio Indicators & Alerts 100dB 3500Hz 3-20DC | Audio Indicators & Alerts PZ 99dBA 2800Hz 12DC |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| RoHS | Y | Y | N |
| Packaging | Bulk | Bulk | - |
| Series | AI | AI | AI |
| Brand | PUI Audio | PUI Audio | PUI Audio |
| Factory Pack Quantity | 70 | 126 | - |
| Product | - | Indicators | Indicators |
| Type | - | Audio Indicator | - |
| Sound Pressure Level | - | 95 dBA | 99 dBA |
| Tone | - | Continuous | Continuous |
| Frequency | - | 3.3 kHz | 2.8 kHz |
| Voltage Rating | - | 12 V | 12 V |
| Current Rating | - | 8 mA | - |
| Termination Style | - | Solder Pin | - |
| IP Rating | - | - | - |
| Dimensions | - | 40 mm L x 40 mm W x 8.1 mm H | - |
| Mounting | - | Through Hole | PCB |
| Height | - | 8.1 mm | - |
| Length | - | 40 mm | - |
| Width | - | 40 mm | - |
| Height in | - | 0.319 in | - |
| Height mm | - | 8.1 mm | - |
| Length in | - | 1.575 in | - |
| Length mm | - | 40 mm | - |
| Product Type | - | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Subcategory | - | Audio Devices | Audio Devices |
| Width in | - | 1.575 in | - |
| Width mm | - | 40 mm | - |
| Diameter | - | - | 42 mm |