MOON 491

The MOON 491 brings together network playback, preamplification, digital-to-analog conversion, phono playback, and headphone listening in one premium component. Positioned at the heart of the Compass Collection, it is designed to handle digital and analog sources with precision, flexibility, and refinement.
| Brand | MOON |
| Model | 491 |
| Frequency response | 10 Hz – 200000 Hz +0.5 −3 dB |
| Total harmonic distortion (%) | 0.0004 |
| Signal-to-noise ratio (dB) | 120 |
| Input impedance (Ω) | 22000 |
| Output impedance (Ω) | |
| Gain (dB) | 10 |
| Phono input | |
| Height (mm) | 87 |
| Width (mm) | 429 |
| Depth (mm) | 357 |
| Weight (kg) |