Key facts
- Brand
- S.M.S.L
- Model
- SU-9
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2026-10-17
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SMSL SU-9n Audio System User Manual
The SMSL SU-9n should be installed in a well‑ventilated, dry and clean location, using only the specified voltage. The manual outlines safety precautions, warranty terms, and the service period offered by the manufacturer.
Operation is performed via the remote control or front‑panel knob, with detailed instructions for Bluetooth pairing, input selection (USB, optical, coaxial, Bluetooth), menu navigation, digital filter settings, and sound‑color presets. Technical specifications such as input/output levels, THD, dynamic range, power consumption and dimensions are listed for reference. This manual is written in Chinese.
SMSL SU-9 specifications
| THD+N | 0.00009% (-121dB) |
|---|---|
| Dynamic range (XLR) | 130dB |
| Dynamic range (RCA) | 123dB |
| SNR | 130dB |
| Output impedance (XLR) | 207Ω |
| Output impedance (RCA) | 142Ω |
| USB Compatibility | Windows 7 / 8 / 8.1 / 10, Mac OSX, Linux |
| Power Consumption | 5W |
| Standby power | <0.5W |
| Dimensions | 187.5X154X40mm (WxHxD) |
| Weight | 0.79kg |
All SMSL SU-9 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the warranty period for the SMSL SU-9?
The product is covered by a free warranty for one year under normal usage conditions.
Which interfaces support MQA decoding on the SU-9?
Only the USB interface supports MQA decoding; other interfaces do not support it.
How do I pair the SU-9n with a phone via Bluetooth?
Select Bluetooth as the input source, turn on the phone’s Bluetooth, search for "SMSL SU-9n", then tap to pair; the phone will show “已连接” when the connection is successful.
What is the power consumption of the SU-9n during normal operation?
The unit consumes 5 W of power while active.