| Attribute | Value |
| Filters | - HPF: -18dB/octave
- HPF: -6dB/octave
|
| Phantom Voltage | 11.00 - 52.00 V |
| Requires Phantom Power | + |
| Interfaces | |
| Max Diameter | 24 mm |
| SPL/Self-Noise Ratio | 9.12 |
| Self-Noise | 16 dB |
| Sound Pressure Level (SPL) | 146 dB |
| Impedance | 85 Ohm |
| Length | 212 mm |
| Pads | |
| Range | 20 - 20,000 Hz |
| Sensitivity | 5.6 mV/Pa |
| Pickup Pattern | |
| Brand | Shure |
| Name | Shure SM81 |
| Weight | 230 g |
| Capsule Diameter | Add |
| Diaphragm Diameter | Add |
| Diaphragm Gauge | Add |
| Includes Tube Power Supply | Add |
| Has Battery Compartment | Add |
| Battery compartment type | Add |