| Frequency | : | 20Hz–20kHz |
| Impedance | : | 32Ω (1kHz) |
| Sensitivity | : | 96dB (1kHz) |
| Driver size | : | 50 mm |
| Code | : | HERZ-18 |
| - response | : | 28 kHz |
| - Impedance | : | 32 1 kHz |
| - Sensitivity | : | 1 kHz) 11 |
| - Input power | : | 30 mW (Ma |
| - Code | : | HERZ-03 |
| - response | : | 28 kHz |
| - Impedance | : | 32 1 kHz |
| - Sensitivity | : | ( 1 kHz) 1 |
| - Input power | : | 30 mW (Ma |
| - Code | : | HERZ-04 |
| - Frequency r | : | 12Hz-28 k |
| - Impedance | : | 32 1 kHz |
| - Sensitivity | : | (1 kHz) 1 |
| - Input power | : | 30 mW (Ma |
| - Code | : | HERZ-01 |
| - Frequency r | : | 12Hz-28 k |
| - Impedance | : | 32 1 kHz |
| - Sensitivity | : | (1 kHz) 1 |
| - Input power | : | 30 mW (Max |
| - Code | : | HERZ-02 |
