| Attribute | Heil Sound PR 22 × | Royer Labs R-121 Live × |
|---|---|---|
| Weight (g) | 397 | 244 |
| Sensitivity (mV/Pa) | - | 3.2 |
| Brand | Heil Sound | Royer Labs |
| Name | Heil Sound PR 22 | Royer Labs R-121 Live |
| Range (Hz) | 40 - 18,000 | 30 - 15,000 |
| Pickup Pattern |
|
|
| Impedance (Ohm) | 400 | 300 |
| Sound Pressure Level (SPL) (dB) | 145 | 135 |
| Max Diameter (mm) | 41 | 25 |
| Interfaces |
|
|
| Length (mm) | 186 | 158 |