S M S L SU-9 ULTRA High Performance User Manual

: June 1, 2024
: S M S L

Table of Contents

S M S L SU-9 ULTRA High Performance
Features
Speciﬁcations
Remote control
Operating the remote control
PARTS
Instructions
Safety Notes
Warranty Terms
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S M S L SU-9 ULTRA High Performance

S-M-S-L-SU-9-ULTRA-High-Performance-product

Features

Both USB and SPDIF support MQA and MQA-CD;
Using AK4191+AK4499EX to play the full performance of Chips, the distortion is as low as 0.00006%(-124dB);
XMOS XU-316, true 32bit USB processing, supports DoP and Native DSD, and PCM reach up to 768kHz and DSD512;
The newly self-developed CK-03 clock processing circuit greatly reduces the clock jitter;
USB, Optical and Coaxial support DSD transmission, Coaxial, Optical support DOP64;
Use tempered glass display panel for higher light transmission and longer service life;
Built-in shielding, low noise power supply processing, while improving power supply eﬃciency, lower power consumption;
Specially designed discrete component linear regulated power supply and multiple low noise regulated power supplies to provide low noise power for analog circuits;
The latest Bluetooth supports LDAC, APTX/HD, SBC, AAC;
High-quality gold-plated input and output jacks;
1.9-inch LCD screen;
JAS Hi-Res certiﬁcation;
Equipped with remote control and full-featured remote control

Speciﬁcations

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SMSL reserves the right to make improvements that may result in specification or feature changes without notice.

Remote control

If the remote control is still ineﬀective when it is close to the machine, replace it with a new battery.
If the user does not use the remote control for a long time, remove the battery of the remote control.
Dispose of used batteries in accordance with local regulations on battery disposal.

Operating the remote control

This remote controller use 2 x R03/AAA batteries.

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PARTS

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Knob*
Display
Remote window
Bluetooth antenna**
Optical input
RCA outputs
Balanced outputs
Coaxial input
USB input
AC IN

Knob
Volume +/-, menu switching, function selection. Button: Short press to enter the menu and conﬁrm; long press to exit the menu and switch the machine on and oﬀ.
Bluetooth operating instructions Connection:**
Switch the input source to Bluetooth, turn on the Bluetooth function of the phone, search for “SMSL SU-9 ULTRA”, click Pair Connection after searching, and when the phone shows “Connected”, the connection is successful.
Re-connection:
During the use of Bluetooth, if the connection is lost, eg: going out, and then coming back, some phones will not automatically reconnect, at this time, a short press of the Bluetooth button on the remote control can reconnect.
Clear pairing:
Press and hold the Bluetooth Control button on the remote control. After clearing the pairing, some phones may no longer be able to search for “SMSL SU-9 ULTRA”, in which case you need to delete the Bluetooth device “SMSL SU-9 ULTRA” saved by the phone and then search for pairing.

Instructions

INPUTS

USB
BLUETOOTH
OPTICAL
COAXIAL

PCM FILTER

SHARP ROLL-OFF
SLOW ROLL-OFF
SHORT SHARP
SHORT SLOW
SUPER SLOW
LOW DISPERSION

OUTPUTS

ALL LINE OUT
BALANCED
UNBALANCED
DSD FILTER
WIDE
NARROW
SOUND COLOR
SOUND 1(5.6M)
SOUND 2(5.6M)
SOUND 3(11M)
SOUND 4(11M)

The AK4499EX operates at a sampling rate of 5.6448MHz.
The AK4499EX operates at a sampling rate of 11.2896MHz

PRE MODE
PRE MODE is the volume adjustment function switchfor the output interface.

VARIABLE : The output interface volume is controlled.
FIXED : The output interface volume is fixed.
FIXED DSD BYPASS: Open the DSD direct access function. At this time, the volume of PCM or DSD is not adjusted. The output amplitude is fixed to about 3.7VRMS. When this function is opened, the DSD is not processed at all, and the output is directly output.

FN KEY FOR

OUTPUTS
BLUETOOTH
PHASE

AUDIO PHASE

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DIMMER
5 second ~ 60 second
(The range is 5 seconds-60 seconds. After setting, the screen will automatically go off within this time, and the screen will re-light up if you operate the remote control or the knob at any time.)

BRIGHTNESS
LEVEL 1 ~ LEVEL 6

RESET

During Bluetooth input, long press the middle button of the knob, the system will only reset the Bluetooth pairing status;
During other input, long press the middle button of the knob, the system will clear all settings, including Bluetooth.

About MQA
MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording. The master MQA file is fully authenticated and is small enough to stream or download. The SU-9 ULTRA includes MQA technology, which enables you to playback MQA audio files and streams, delivering the sound of the original master recording. Visit How it Works https://www.mqa.co.uk/how-it-works for more information.

How to play MQA

SU-9 ULTRA supports MQA decoding with USB, optical fiber and coaxial!
SU-9 ULTRA’s MQA playback does not require the use of special playback software, such as foobar2000, Audirvanaplus only needs to support ASIO or WASAPI audio output, and when playing MQA audio, it is best to adjust the volume of the computer to the maximum,so that the audio output of the computer is in the best condition.
When playing an MQA file, the sampling rate of the original master recording is displayed.

Notes on playing MQA-CD
Please make sure that what is being played is a genuine MQA-CD. Verify that the optical or coaxial signal output of the CD player is an unprocessed source code.

Safety Notes

Install this unit in a well ventilated, cool, dry, clean place-away from direct sunlight, heat sources, vibration, dust, moisture, or cold..
Use the voltage speciﬁed on this unit Only. Using this unit with a higher voltage than speciﬁed is dangerous and may cause ﬁre , damage to this unit, or personal injury. Our company will not be held responsible for any damage resulting from the use of this unit with a voltage other than that speciﬁed.
Do not attempt to modify or ﬁx this unit by yourself. Contact salesperson or customer service when any service is needed. The cabinet should never be opened for any reason.
When not planning to use this unit for long periods of time (i.e. when going on vacation), disconnect the power cable from the AC wall outlet.

Important note:
The product speciﬁcations and information mentioned in this manual are for reference only. The content of this manual is subject to change without notice.

Warranty Terms

The Term of Service
Foshan Shuangmusanlin Technology Co., Ltd promises to oﬀer good-quality products. If the product is broken in 7 days after purchasing when you use it normally, you can choose to send it back for return, replacement or repairing (only the product does not aﬀect the second sales can be returned ). Repairing for free in one year if you use it normally.
Date of purchase is in accordance with the date on invoice or receipt uesd by seller, and if you buy it online, you can show the screenshot of trade.
If inappropriate usage causes the unit damaged, the warranty will be void. As below.
- All damages by inappropriate use, including using it under a non-normal working environment or without following the instructions.
- Dismantling, reﬁtting, repairing by user in private.
- Causing damage by using some ﬁttings instead of the designative or accredited ones.
- Cannot provide credible proof of purchase.
Sending it back to our company for repairing.
Contact your S.M.S.L Audio reseller for a return or replacement.