| Attribute | Earthworks Audio M23 × | Audix UEM81C × |
|---|---|---|
| Brand | Earthworks Audio | Audix |
| Name | Earthworks Audio M23 | Audix UEM81C |
| Sensitivity (mV/Pa) | 30 | 4 |
| Pickup Pattern |
|
|
| Battery compartment type | - | 1.5V AA/UM3 |
| Range (Hz) | 9 - 23,000 | 40 - 20,000 |
| Sound Pressure Level (SPL) (dB) | 142 | 128 |
| Requires Phantom Power | + | - |
| SPL/Self-Noise Ratio | 6.45 | 4.74 |
| Self-Noise (dB) | 22 | 27 |
| Max Diameter (mm) | 22 | 21 |
| Interfaces |
|
|
| Has Battery Compartment | - | - |
| Weight (g) | 160 | 236 |
| Impedance (Ohm) | 600 | 600 |
| Phantom Voltage (V) | 48.00 | - |
| Filters | - |
|
| Capsule Diameter (mm) | 6 | - |
| Length (mm) | 229 | 225 |