The MR-33378-000 is an omnidirectional microphone from the MR Series that combines a conventional element with a waterproof bellows assembly. The bellows conducts sound to the element and is designed to survive submersion in water up to 15 meters (50 feet). It features a 3-wire connection and is suitable for panel mounting or boom applications in outdoor or underwater environments.
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| Directivity | Omni-directional |
| Impedance | 3500Ohm |
| Nominal Voltage | 1.3V |
| Sensitivity @ 1kHz | -40dBV re 1V/Pa |
| Connection | 3-Wire |
| Nominal Boom Outer Diameter | 22.098mm |
| Boom Length tip-to-tip | 7.595mm |
| Submersion Depth Rating | 15m |
| RoHS | Compliant |
