SMSL D400 EX User manual

使用说明书
本说明书的内容可能会随版本更改
如有变动, 恕不另行通知 Ver 1.0

请将本音响系统安装在通风良好、阴凉、干燥、干净的位置，远离直射阳光热源
、振 动 、灰 尘 、 潮湿或寒冷。
只能使用本机指定的电压。使用高于指定数值的电压很危险，而且可能导致火
灾，损坏本机或造成人身伤害。对于使用高于指定电压造成的任何损害，
我司
将不负任何责任。
不要试图自行改造或修理本机。如果需要任何服务，请与销售或者我司客服人
员联系。不管有任何理由，都没有打开机壳的必要。
如果打算长时间不使用本机（比如度假时），请从墙壁交流电源插座上断开电
源线的连接。
一、服务期限
佛山双木三林科技有限公司承诺产品的良好品质，产品自售出之后7天内
正常使用情况下出现故障，客户可以选择退货或者保修（不影响二次销售
才可退货）。正常使用一年内出现故障可以免费保修。
二、购买日期以销售商开出的购机发票或收据日期为准，网购可以交易截图为准。
三、有以下情况都不能享受“三包”服务
1.一切人为因素损坏，包括非正常工作环境下使用或不按照说明书使用。
2.用户私自拆机、改装、维修。
3.使用非指定或许可的配件造成损坏的。
4.机身的QC或保修贴损毁。
5.不能出示有效购机凭证。
6.不属于本公司产品。
四、保修方式为送修
此条款只适于中国大陆，其它地区请参考当地销售代理商的规定和国家法规。
重要提示：
本说明书所提到的产品规格和资讯仅供参考。如有内容更新，恕不另行通知。
安全注意事项
保修条款

特点
支持MQA解码，支持MQA-CD ;
全新第三代XMOS XU-316，PCM支持到32bit/768kHz，DSD支持到DSD512；
旗舰DAC芯片1颗AK4191+ 2片AK4499EX,挖掘芯片所有潜能；
双单声道设计,每声道一片AK4499EX,失真度低至惊人的0.00006%(-124dB)；
使用9片高端双运放及大量发烧元器件；
采用2nd PLL,消除SPDIF传输过程中的JITTER;
全新自主研发的CK-03时钟处理电路, 大大降低时钟抖动；
支持DOP独立显示功能,准确判断当前解码格式;
USB、光纤、同轴、AES、I2S支持DSD传输，同轴和光纤支持DOP64；
使用钢化玻璃全贴合彩色IPS显示屏；
内置低噪声电源处理，同时提高电源效率，功耗更低；
搭配多个低噪声稳压电源，提供稳定可靠高效低噪声的供电系统。
高通高端蓝牙芯片,支持LDAC(24bit/96kHz)，APTX/HD，SBC，AAC；
高品质全铝合金外壳,支持高品质镀金输入输出连接端子；
日本音频协会(JAS)Hi-Res认证；
配备遥控器和全功能遥控。

技术参数
SMSL保留在不另行通知的情况下进行可能导致规格或特性更改的改进的权利。
输入方式 ....................................................................USB /光纤/同轴/I2S/蓝牙/AES
输出方式 .......................................................................................单端线路/平衡线路
THD+N ................................................................................... 0.000067%(-123.5dB)
...................................................................................0.000053%(-125.5dB) (A-WTD)
动态范围 ..............................................................................平衡线路 133dB
单端线路 128dB
信噪比 .................................................................................................................133dB
USB传输方式 ................................................................................................ 异步传输
USB兼容性 .......................................Windows 7 / 8 / 8.1 / 10, Mac OSX, Linux
位深 .......................................USB / I2S 1bit，16~32bit
光纤/同轴 1bit，16~24bit
采样率 ...................................USB / I2S PCM 44.1~768kHz
DSD 2.8224~22.5792MHz
光纤/同轴 PCM 44.1~192kHz
蓝牙规格：
LDAC ..................................................... 24bit/96kHz (990kbps/660kbps/330kbps)
aptX-HD .................................................................................24bit/48 kHz_576kbps
aptX .....................................................................................16bit/44.1 kHz_352kbps
SBC .......................................................................................16bit/44.1 kHz_328kbps
AAC .......................................................................................16bit/44.1 kHz_320kbps
消耗功率 ...................................................................................................................6W
待机功耗 .............................................................................................................<0.5W
体积 .....................................................................................
240x188x46mm (WxHxD)
重量 ........................................................................................................
1.85kg/4.08 lb

遥控器的使用
注 意
遥控器请使用2节7号(AAA)电池
开关机
关于遥控器
如果遥控器距离本机很近时操作仍无效，请用新电池更换。
如果要长时间不使用遥控器，请取出遥控器的电池。
按照电池处置的地方性法规处置废旧电池。
音量加
音量减
进入二级菜单
向上
返回
向下
静音
FN按键（在菜单中定义）
输入选择
进入菜单/确认

部件介绍
功能旋钮 *
旋钮: 音量加减，菜单切换，功能选择。
按键: 短按，进入菜单，确认；长按，退出菜单，开关机。
蓝牙操作说明 **
连接: 将输入源切换至蓝牙，打开手机蓝牙功能，搜索"SMSL D400 EX", 搜索
到后点击配对连接，当手机显示“已连接”则已连接成功。
重连: 在使用蓝牙过程中, 如果失去连接, 例如: 外出, 然后回来, 有些手机不
会自动重新连接, 在这个时候, 短按遥控器上的蓝牙按键就可以重新连接。
清除配对: 长按遥控器“蓝牙控制”按键。在清除配对后，部分手机可能会出
现无法再搜索到"SMSL D400 EX"，此时需要将手机保存的蓝牙设备
"SMSL D400 EX"删除掉，然后再搜索配对。
13
56 4 1
2
3
7 8 9 10 11 12
15
14
显示屏 红外接收窗
5 6
I2S输入 9
7电源输入 8
开关机按钮 FN按钮菜单按钮
旋钮
1 2 3
4
USB输入
光纤输入
10 同轴输入 11 AES/EBU输入 12
平衡线路输出
13 蓝牙天线
14 单端线路输出 15

功能介绍
INPUTS (输入方式)
USB (USB输入)
BLUETOOTH (蓝牙输入)
OPTICAL (光纤输入)
COAXIAL (同轴输入)
AES/EBU (AES/EBU输入)
I2S(HDMI) (I2S输入)
PCM FILTER (PCM滤波器)
OUTPUTS (输出方式)
ALL LINE OUT (全部输出)
BALANCED (平衡输出)
UNBALANCED (非平衡输出)
DSD FILTER (DSD滤波器)
WIDE （窄模式）
NARROW （宽模式）
SHARP ROLL-OFF （快速滚降）
SLOW ROLL-OFF （慢速滚降）
SHORT SHARP （短延时快速滚降）
SHORT SLOW （短延时慢速滚降）
SUPER SLOW （超级慢速滚降）
LOW DISPERSION（低分散延时）

SOUND COLOR(音色菜单)
SOUND 1(5.6M)
SOUND 2(5.6M)
SOUND 3(11M)
SOUND 4(11M)
PRE MODE(前级模式)
PRE MODE为输出接口的音量调节功能开关：
VARIABLE: 输出接口音量是受控的。
FIXED: 输出接口音量是固定的。
FIXED DSD BYPASS
功能介绍
AK4499EX工作采样率为5.6MHz。
AK4499EX工作采样率为11.2896MHz。
FN KEY FOR (FN按键作用)
OUTPUTS (输出选择)
BLUETOOTH (切换到蓝牙输入)
PHASE (切换到输出相位)

I2S DSD CHANNEL(DSD声道设置)
DSDL = PCM DATA (DSD左声道和PCM的数据引脚共用)(默认)
DSDL = PCM LRCK (DSD左声道和PCM的LRCK引脚共用)
I2S MODE(I2S模式)
NORMAL (正常，PS AUDIO格式)
REVERSED(反相，DATA和LRCK反相)
NORMAL
I2S DATA +
I2S DATA -
I2S LRCLK +
I2S LRCLK -
GND
NC
DSD FLAG
NC
GND
GND
GND
GND
I2S MCLK +
I2S MCLK -
NC
MUTE
NC
I2S BCK +
I2S BCK -
21
18
19
REVERSED
GND
GND
I2S MCLK +
I2S MCLK -
NC
MUTE
NC
I2S BCK +
I2S BCK -
I2S DATA -
I2S DATA +
I2S LRCLK -
I2S LRCLK +
GND
NC
DSD FLAG
NC
GND
GND
21
18
19
注: 在使用I2S接口播放DSD音频时, 如果发现左右声道不正确, 则可以使用这个选项
来纠正。
注: 这个选项用于匹配不同的I2S接口标准, 使用前请检查信号源的接口定义。
功能介绍

功能介绍
DIMMER (自动熄屏)
5秒 ~ 60秒
(范围5秒 - 60秒, 设置后, 屏会在这个时间内自动熄灭, 遥控或者旋钮任意操作屏幕
会重新点亮。这样可以很大程度减少光污染, 提升听音环境的舒适性!)
BRIGHTNESS (显示屏亮度设置)
LEVEL 1 ~ LEVEL 6
RESET (系统复位)
AUDIO PHASE
NORMAL (2+,3-)
INVERTED (2-,3+)
1 2-
3+
1 2+
3-
NORMAL INVERTED
在蓝牙输入时, 长按旋钮中键 , 系统只会重置蓝牙配对状态;
在其它输入时, 长按旋钮中键 , 系统清除所有设定, 包括蓝牙。

USER MANUAL
Ver 1.0
The contents of this manual may be changed with the edition
and are subject to change without notice

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 alesperson 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.
1.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.
2.Date of purchase is in accordance with the date on invoice or receipt uesd by seller, and if you
buy it on line, you can show the screenshot of trade.
3.If an inappropriate usage causes the unit damaged, the warranty will be void. As below.
4.Sending it back to our company for repairing.
5.Contact your S.M.S.L Audio reseller for a return or replacement.
All damages by inappropriate use, including using it under 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.
Safety Notes
Warranty Terms

Features
Support MQA decoding, support MQA-CD;
New 3rd generation XMOS XU-316, PCM support up to 32bit/768kHz, DSD
support to DSD512;
Flagship DAC chip 1 AK4191+ 2 AK4499EX, tap all the potential of the chip;
Dual mono design, one AK4499EX per channel, distortion as low as a
staggering 0.00006% (-124dB);
Use 9 high-end dual op amps and a large number of audiophile components;
Adopt 2nd PLL to eliminate JITTER during SPDIF transmission;
The new self-developed CK-03 clock processing circuit greatly reduces clock
jitter;
Support DOP independent display function, accurately determine the current
decoding format;
USB, optical fiber, coaxial , AES, I2S support DSD transmission, coaxial and
optical fiber support DOP64;
Use tempered glass to fully fit the color IPS display;
Built-in low-noise power processing, while improving power efficiency,
lower power consumption;
Combined with multiple low-noise regulated power supplies, it provides a
stable, reliable, efficient, and low-noise power supply system.
Qualcomm high-end Bluetooth chip, support LDAC (24bit/96kHz), APTX/HD,
SBC, AAC;
High quality all-aluminum alloy shell, support high quality gold plated input
and output connection terminals;
Japan Audio Association (JAS) Hi-Res certification;
Equipped with remote control and full-featured remote control.

Specifications
SMSL reserves the right to make improvements which may result in
specification or feature changes without notice.
Input ................................................................ USB / Optical / Coaxial / I2S / Bluetooth /AES
Output ........................................................................................................................... RCA / XLR
THD+N ......................................................................................................0.000067%(-123.5dB)
................................................................................................... 0.000053%(-125.5dB) (A-WTD)
Dynamic range ................................................................................... XLR 133dB
RCA 128dB
SNR ........................................................................................................................................ 133dB
USB transmission ............................................................................................Asynchronization
USB compatibility .................................................Windows 7 / 8 / 8.1 / 10, Mac OSX、Linux
Bit depth ...................................................USB /I2S1bit， 16 ~ 32bit
Optical / Coaxial 1bit， 16 ~ 32bit
Sampling rate ........................................USB /I2S PCM 44.1 ~ 768kHz
DSD 2.8224 ~ 22.5792MHz
Optical / Coaxial PCM 44.1 ~ 192kHz
Bluetooth specification：
LDAC ......................................................................24bit/96kHz (990kbps/660kbps/330kbps)
aptX-HD ...................................................................................................24bit/48 kHz_576kbps
aptX ......................................................................................................16bit/44.1 kHz_352kbps
SBC .........................................................................................................16bit/44.1 kHz_328kbps
AAC ..........................................................................................................16bit/44.1 kHz_320kbps
Power Consumption ...................................................................................................................6W
Standby power ..................................................................................................................... <0.5W
Size .....................................................................................................240X188X46mm (WxHxD)
Weight .......................................................................................................................1.85kg/4.08lb

Operating the remote control
Note
This remote controller use 2 x R03/AAA batteries.
Remote control
Power ON/OFF
Input select
MENU/OK
Next level menu
Return
Mute
Volume +
D
own
Up
FN(Define in the menu)
Volume -
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.

Display Interface and Instructions
Optical input
RCA output
5 6
I2S input 9
7
XLR output
8
Remote windowDisplay
Bluetooth antenna**
1 2 3
4
USB input
AC IN
10 Coaxial input 12
11 AES/EBU input
13 15
14
Turn on / off button** FN button* Menu button
Knob
13
56 4 1
2
3
7 8 910 11 12
15
14
Knob*
Konb: 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 D400 EX", 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 D400 EX", in which
case you need to delete the Bluetooth device "SMSL D400 EX" saved by the phone and
then search for pairing.

Instructions
INPUTS
USB
BLUETOOTH
OPTICAL
COAXIAL
AES/EBU
I2S(HDMI)
SHARP ROLL-OFF
SLOW ROLL-OFF
SHORT SHARP
SHORT SLOW
SUPER SLOW
LOW DISPERSION
PCM FILTER
OUTPUTS
ALL LINE OUT
BALANCED
UNBALANCED
DSD FILTER
WIDE
NARROW

Instructions
SOUND COLOR
SOUND 1(5.6M)
SOUND 2(5.6M)
SOUND 3(11M)
SOUND 4(11M)
PRE MODE
PRE MODE is the volume adjustment function switch for the output.
FN KEY FOR
OUTPUTS
BLUETOOTH
PHASE
VARIABLE: The output volume is controlled.
FIXED: The output volume is fixed.
FIXED DSD BYPASS:
The output volume is fixed and DSD signal not pass the volume processing block.
The AK4499EX operates at a sampling rate of 5.6448MHz.
The AK4499EX operates at a sampling rate of 11.2896MHz.

I2S DSD CHANNEL
DSDL=PCM DATA (The DSD left channel using the PCM DATA pin)
DSDL=PCM LRCK (The DSD left channel using the PCM LRCK pin)
Note: When using the I2S input to streaming DSD audio, if you find that
the left and right channels are incorrect, you can use this option to
correct it.
I2S MODE
NORMAL
REVERSED
Note: This option is used to match different I2S interface standards, please
check the interface definition of the signal source before use
Instructions
NORMAL
I2S DATA +
I2S DATA -
I2S LRCLK +
I2S LRCLK -
GND
NC
DSD FLAG
NC
GND
GND
GND
GND
I2S MCLK +
I2S MCLK -
NC
MUTE
NC
I2S BCK +
I2S BCK -
21
18
19
REVERSED
GND
GND
I2S MCLK +
I2S MCLK -
NC
MUTE
NC
I2S BCK +
I2S BCK -
I2S DATA -
I2S DATA +
I2S LRCLK -
I2S LRCLK +
GND
NC
DSD FLAG
NC
GND
GND
21
18
19