Sugden Masterclass HA-4
Sugden Audio Masterclass HA-4 Headphone Amplifier
| Brand | Sugden |
| Model | Masterclass HA-4 |
| Frequency response | 20 Hz – 30000 Hz |
| Total harmonic distortion (%) | |
| Signal-to-noise ratio (dB) | 95 |
| Output impedance (Ω) | |
| Gain (dB) | 16 |
| Height (mm) | 80 |
| Width (mm) | 250 |
| Depth (mm) | 310 |
| Weight (kg) |