The SONIC ULTRAMIZER SU9920 is an audio processing device that enhances audio signals. Please read the safety precautions in the user manual carefully before use.
This manual introduces the Sonic Ultramizer SU9920, a professional audio signal processor that enhances clarity and presence using dynamic filtering and phase‑delay algorithms. It explains safety precautions, proper ventilation, grounding, and handling to prevent electric shock or fire hazards.
The guide details front‑panel controls, rear‑panel connectors, installation into a rack, wiring options, and typical applications in live sound, studio, and stage environments. A full technical data sheet lists input/output impedance, frequency response, power consumption, dimensions, and other key specifications. This manual is written in Chinese.
| Input impedance | 20 kΩ balanced, 10 kΩ unbalanced |
|---|---|
| Rated input level | +4 dBu |
| Maximum input level | +22 dBu |
| Output impedance | 60 Ω balanced, 60 Ω unbalanced |
| Frequency response | 25 Hz – 50 kHz, ±3 dB |
| Signal‑to‑noise ratio | > 95 dB (un‑weighted, 20 Hz – 20 kHz) |
| Power consumption | ≈ 15 W |
| Dimensions (H × W × D) | 44.5 × 482.6 × 217 mm |
| Weight | ≈ 2.2 kg |
The unit provides balanced XLR and 6.3 mm stereo input connectors.
The POWER switch must be in the OFF position before plugging the unit into the mains.
No. The manual warns that the chassis must not be opened by the user; servicing should be performed by a qualified technician.