| Attribute | Heil Sound PR 22 × | Royer Labs SF-12 × |
|---|---|---|
| Weight (g) | 397 | 369 |
| Sensitivity (mV/Pa) | - | 2.5 |
| Brand | Heil Sound | Royer Labs |
| Name | Heil Sound PR 22 | Royer Labs SF-12 |
| Range (Hz) | 40 - 18,000 | 30 - 15,000 |
| Pickup Pattern |
|
|
| Impedance (Ohm) | 400 | 300 |
| Sound Pressure Level (SPL) (dB) | 145 | 130 |
| Max Diameter (mm) | 41 | 25 |
| Interfaces |
|
|
| Length (mm) | 186 | 206 |