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– Do not cover this unit with a newspaper, tablecloth, curtain , etc. in order not to
obstruct heat radiation. If the temperature inside this unit rises, it may cause re,
damage to this unit, and /or personal injury.
Do not use force on switches, knobs, and/or cords.
When disconnecting the power cable from the wall outlet, grasp the AC plug; do not
pull the cord.
Do not clean this unit with chemical solvents; this might damage the nish.
Use a clean, dry cloth.
Only the voltage specied on this unit must be used. Using this unit with a higher v oltage than specied is dangerous and may cause re , damage to this unit, and/or
personal injury. SMSL will not be held responsible for any damage resulting from u se of this unit with a voltage other than that specied.
Do not attempt to modify or x this unit. Contact qualied SMSL service personnel
when anyservice 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.
Before moving this unit, disconnect the power cable from the wall outlet.
Be sure to use the AC adaptor supplied with this unit. Using an AC adaptor other th an the one
provided may cause re or damage to this unit.
Install this unit near the wall outlet and where the power cable can be reached easily.
For added protection for this product during a lightning storm, or when it is left una ttended and unused for long periods of time, unplug it from the wall outlet. This w ill prevent damage to the product due to lightning and power-line surges.
Note
The plug severed from the mains lead must be destroyed, as a plug with bared exi ble cord is hazardous if engaged in a live socket outlet.
Safety Notes
Warning
To assure the best performance, please read this manual carefully. Keep it in a safe
place for future reference.
Features
SA-50 plus uses professional TriCore-digital audio processor, 32bitRISC
processor and dual DSP digital audio processing unit, can perfectly
decode 32 bit /192kHz music.
Using the latest TAS5766M amplier chip from TI company in USA.
Built-in SDB sound desigend and owned by S.M.S.L(SMSL Dynamic Bass).
SDB:
SDB is a special sound eect designed by SMSL that can
dynamically adjust the bass and treble according to the input
source to enhance loudness, stereo and delity of the sound.
Shenzhen Shuangmusanlin Electronics Co., Ltd.
www.gemtuneonline.com
Customer Service:
cs.gd@goldustore.com(for US) ;
cs.uk@goldustore.com(for EU);
cs.jp@goldustore.com(for JP)
Install this unit in a well ventilated, cool, dry, clean place – away from direct sunlight,
heat sources, vibration, dust, moisture, and/or cold.
Do not expose this unit to sudden temperature changes from cold to hot, and do not
locate this unit in an environment with high humidity ( i.e. a room with a humidier)
to prevent condensation inside this unit, which may cause an electrical shock, re,
damage to this unit, and/ or personal injury.
Avoid installing this unit where foreign objects may fall onto this unit and / or this
unit may be exposed to liquid dripping or splashing .
On the top of this unit , do NOT place:
– Other components, as they may cause damage and/or discoloration on the surface
of this unit.
– Burning objects (i.e. candles) , as they may cause re , damage to this unit , and/or
personal injury.
– Containers with liquid in them, as they may fall and liquid may cause electrical sh ock to the user and/or damage to this unit.
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Specication
Input:
THD+N:
SNR:
Channel separation:
Sampling rate: Optical
Output power:
Consumption power:
Standby power:
Max. Scannable File Quantity:
Max. Scannable File Folder Layers:
USB(U-disk)/SD card/
3.5mm optical/3.5mm analog
0.015%
95dB
94dB
16bit/24bit 44.1kHz～192kHz
50W+50W@4Ω
40W
1W
1000
3 layer folder
File format
MP3
Extension:
Standard:
Sampling frequency:
Bit rate:
.mp3, .MP3
MPEG -1/MPEG-2 Audio Layer-3
8 k/11.025 k/12k/16 k/22 .05 k/24 k/32 k/
44.1 k/48 kHz
8 kbps–320 kbps or VBR
WMA
Extension:
Sampling frequency:
Bit rate:
.wma, .WMA
8 k/11.025 k/16 k/22.05 k/32 k/44.1 k/48 kHz
5 kbps–320 kbps or VBR
WMA Lossless
Extension:
Sampling Frequency:
Quantization bit rate:
.wma, .WMA
44.1 k/48 k/88.2 k/96 kHz
16/24-bit
WAV
Extension:
Sampling Frequency:
Quantization bit rate:
.wav, .WAV
8 k/11.025 k/12 k/16 k/22 .05 k/24 k/32k/
44.1 k/48 k/ 88.2 k/96 k/176.4k/192 kHz
8/16/24-bit
AAC
Extension:
Standard:
Sampling Frequency:
Bit rate:
.aac, .m4a,, AAC, M4A
MPEG-2/MPEG-4 audio
8 k/11.025 k/12 k/16 k/22 .05 k/24 k/32 k/
44.1 k/48 k/ 88.2 k/96 kHz
8 kbps–320 kbps or VBR
APE
Extension:
Standard:
Sampling Frequency:
Bit rate:
.ape,.APE
Monkey's audio
44.1k/48k/88.2k/96k/176.4k/192kHz
16/24-bit
FLAC
Extension:
Sampling Frequency:
Quantization Bit rate:
.ac, .FLAC
8 k/11.025 k/12 k/16 k/2 2.05 k/24 k/32 k/
44.1 k/48 k/ 88.2 k/96 k/176.4 k/192 kHz
8/16/24-bit
Apple Lossless
Extension:
Sampling Frequency:
Quantization Bit rate:
.m4a,.M4A
8 k/11.025 k/12 k/16 k/22 .05 k/24 k/32 k/
44.1 k/48 k/88.2 k/96 kHz
16/24-bit
CUE*
Extension:
CUE*:
.cue,.CUE
For memory limit, currently limits as below:
read 100 CUE les max.
max. 300 tracks analysed from all CUE les
*For extra tracks beyong the 100 CUE/300
tracks limits,will be treated and played
continually as one track.
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Illustration and User Guide
Remote Control
Power ON/OF
Volume+
SDB ON/OFF
Menu Key/Exit (long press) Play/Stop (press)
Next
Previous
Volume-
Audio Source
Selection
NO function
Mute
Control
SA-50 Plus
NO function
I'ts a 3 shifts (A/B/C) remote,
however only Shift A is
valid for SA-50 Plus, and
shift B & C are both invalid.
NOTE
Replay/Last Song
/Quick Change Song (backward)
IR Receiver
Multi-function Knob
Volume+-/Mute/Menu/Enter/
OK/Exit/Next&Previous
Power Key/
Play/Stop
Next Song
/Quick Change Song (forward)
OLED Screen
U-disk Port
Micro SD
Slot
j-m Output Banana Terminals
Power Cable Socket
3.5mm Jack for AUX/Analog/Optical Input
Replay: press; Last Song: double press; Quick Change Song(backward):
long press
Play/Stop: press; Power On/Off: long press
Next Song: press; Quick Change Song(forward): long press
IR Receiver for Remote Control
OLED Screen
Multi-function Knob Mute/Un-mute: press; OK: press;
Menu/Enter/Exit: long press; Next/Previous: roll the knob
U-disk Input Port (up to 2TB, support NTFS)
Micro SD Card Slot (up to 64GB)
3.5mm Jack for AUX/Analog/Optical Input
Right Channel Speaker Output Banana Jack (Red)
Right Channel Speaker Output Banana Jack (Black)
Left Channel Speaker Output Banana Jack (Red)
Left Channel Speaker Output Banana Jack (Black)
Cable Socket for Power Adapter
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5
*Please Mind the Micro SD card direction when insert it into the slot.
*If the red light flashes
when you press a key on
the remote but it doesn’t
work, please press A key
first and make sure the IR
Receiver on the machine
is not blocked.
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2. Enter Menu & Settings:
2.1 Enter Menu: Long press Menu Key to enter the menu, and you’ll see
the menu interface as “gure 3”
2.2 Select Function:
Press & to select the function you would like to
set and press to enter setting.
2.3 Exit Setting:
Long press Menu Key to exit setting.
2.4 Hidden Menu:
If there’s no input source connected to the device, the
system will automatically hide some functions from the menu to avoid
mis-operation, as “gure 4”.
Input Display
SDB OFF VerInfo
Tone Reset
Play Mode
(Figure 3)
(Figure 2)
Input
Display
Verinfo
Reset
‘ve Hever Been
44.1k/ 128kbps MP3
00:19
Interface & Operations
USB IN
No Device
(gure 1)
1.Start to Use:
1.1 Before using SA-50 Plus, please install your audio system (USB/
MicroSD/Optical/Analog/AUX input, and speakers). Make sure
all the cable and power connections are good.
1.2 Press the Power key to turn on the device, then you can see the
interface like “figure 1” as follow
1.3 Press Audio Source Selection Key on the remote to select the
input source you would like to play. (or long press Menu Key
to enter menu > “Input” to select the input source) Then the
display will turn to music interface (as “figure 2”).
Play Mode (Default/Repeat all
/Random/Repeat Track)
Play Status (Playing/Stop)
Music Sampling Rate / Muting
Song Name
Play Time for current music
Current Music File Format
Current Input Source
Input Source Status
(when use USB disk as input, the
screen will appear “Searching” and
after nishing scanning all music les,
it will turn to play screen)
(Figure 4)
Input Selection
(USB→SD Card→Optical In→AUX)
SDB Sound Eect (On/O)
Tone (Bass 0-3; Treble 0-3)
Play Mode
(Default/Repeat all/Random/Repeat Track)
Display
Auto Weaken Screen
(5s→15s→30s→60s→OFF)
Auto Turn O Screen
(5s→15s→30s→60s→OFF)
Firmware Version Info
Reset (Factory Reset/Return)
3.Firmware Update:
3.1 Visit “www.smsl-audio.com” > “Support” to download the latest rmware.
Save the “rom.upd” le to the root directory/folder of a USB disk.
3.2 Press Multi-function Knob
(NO. f key) for 5 seconds, hold it meanwhile press
Power Key on the machine till the screen turns on and show “NO USB
”.
3.3 Insert this USB disk to the U-disk port on SA-50 Plus, and it will install the
new rmware automatically. When the system shows “100% update”, the
update is nished.
*NOTE: SMSL will update rmware for SA-50 Plus irregularly, please visit www.smsl-audio.com to check.
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*Song name can display English/ German/ French/ Spanish/ Italian/ Russian.
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