Sabaj A20a User manual

使用说明书
深圳市大号科技有限公司
A20a

安全注意事项
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，深圳
市大号科技有限公司将不负任何责任。
不要试图自行改造或修理本机。如果需要任何服务，请就近与有资格的深圳市
大号科技有限公司维修人员联系。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。
A20a
保修条款
一、服务期限
深圳市大号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，多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。
本说明书内容如有更新,恕不另行通知.若您使用的产品功能与说明书不一致
时,请以产品为准!

产品特点
A20a
使用2片德国英飞凌新型碳化硅数字功率放大器芯片, 更高质的同时 , 效率高
达92% , 进一步降低能耗；
使用了日本NJRC公司电子音量控制芯片NJW1194，精准的音量控制和超低
的失真度；
超低音前级输出, 用于连接有源超低音音箱, 组成2.1音频系统；
内置多种EQ模式和高/低音调节功能，轻松匹配各种喇叭和音乐；
全铝合金CNC加工工艺，采用阳极氧化技术，做工精细，触感一流；
配备全功能遥控功能；
具备满足欧盟最新ErP2标准的低功耗待机功能；
大量采用发烧级音频元件以提升主观听感；
高品质镀金输入、输出端子；
完善的过热，过流等保护电路；
内置音频专用的高品质开关电源。

技术参数
A20a
输入接口 .............................................................................................XLR，RCA
THD+N ................................................................................................0.0033%
信噪比 ......................................................................................................105dB
通道分离度 .................................................................................................93dB
输入灵敏度/输入阻抗...................................................................150 mV / 47kΩ
输出功率 ..................................................150Wx2(2Ω)/90Wx2(4Ω)/50Wx2(8Ω)
消耗功率 .....................................................................................................40W
待机功率 .................................................................................................<0.6W
体积 .............................................................................. 100X125X190mm(WxHxD)
重量...............................................................................................................1.45kg

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。
遥控器的使用
注 意
1. 遥控器请使用2节7号(AAA)电池
2. 第一次操作
A20a 时 ，先 按 A 键
开关机
输入选择
无功能
进入菜单/确认
进入二级菜单
返回
静音
音量加/向上
音量减/向下
无功能
切换至控制 A20a
A20a

显示界面和操作介绍
A20a
注：
本机的15VDC输出是专门配套解码器A20d使用的，不建议为其它机器供电,
此接口也不能作为电源输入!
显示屏
红外遥控接收窗
旋钮
超低音输出
RCA输入
平衡输入
电源输出（DC 15V）
喇叭输出右声道
喇叭输出左声道
电源输入（AC IN 100~240V）
注
6
7
8
9
1
2
3
4
510
1
H IGH RES OLU TION AMP LI FI ER
A20a
SPEAK ERS OUT
R L
15V DC OUTP UTSW
I NPUTR L
L
R
AC IN 100~24 0V
2 3 4 5
6
7
8 9 10

2. 菜单界面
菜单功能介绍
A20a
1）长按旋钮：开机 / 关机
2）短按“旋钮”, 进入菜单, 长按返回主页面
3）顺时针或者逆时针旋转旋钮, 调节音量大小。
1 ) 开机时，本机会显示“ ”意思为“A20a”的意思。
2 ) 8种EQ菜单：
3 ) 在低音调节时会显示 ←→
4 ) 在高音调节时会显示 ←→
5 ) 音量显示 , ,......, 。
6）LED 显示状态：
待机时关闭, 旋钮中心按键显示“红色”；
2. 显示说明
直通
高低音调节(此时, 音效由高音和低音菜单的值决定)
动态低音
低音加强音效
低音超强音效
摇滚乐音效
柔和音效
清晰音效

Shenzhen DaHao Technology Co.,Ltd.
USER MANUAL
A20a

Install this unit in a well ventilated, cool, dry, clean place-away from direct sunlight, heat
sources, vibration, dust, moisture, or cold..
Do not attempt to modify or fix this unit. Contact qualified Sabaj service personnel
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
onvacation), disconnect the power cable from the AC wall outlet.
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.
A20a
Safety Notes
Warranty Terms
1. The term of service
Shenzhen Sabaj technology Co.,LTD promise good quality products. If product is
defective unit by normal use with in 7daysafterpurchasing. The customer can choose to
return or repair warranty( does not affect the secondary sales afterthey can return).
Faulty for free with in one year warranty normal use.
2. Date of purchase is in accordance with invoice date or receipt date issued by seller,
online shopping can cut trade shots.
3. Following situation can not enjoy“Three Guarantees service”
a. All damages by human factors, including use it under nonrmal workingenvironment
the and not following manual instruction.
b. User privately disassemble, modification, maintenance.
c. Use non-designated or approved accessories cause damage.
d. QC or warranty stickers damage on cabinet.
e. Can not provide a valid purchasing prove.
f. Not belong to Sabaj product.
4. How to warranty
This term is only suitable for china mainland, other regionplease refer to the policy of the
local sales agents and national regulations.
The contents of this manual are updated without prior notice. If the function of the product
you are using is inconsistent with the instructions,the function of the product shall prevail!

Features
A20a
2xGerman Infineon's new technology class D power amplifier chip, higher
quality, efficiency up to 92%, further reducing power consumption;
Using NJRC's electronic volume control chip NJW1194 from Japan, precise
volume control and low distortion;
Super bass preamp output for connecting active subwoofers to form a 2.1
audio system;
Built-in multiple EQ modes and treble / bass adjustment for easy matching of
a variety of speakers and music;
All aluminum alloy CNC precision processing shell, anodizing technology and
chamfering process, exquisite workmanship and delicate touch;
Full-featured remote control function;
Low power standby function to meet the latest European ErP2 standard;
A large number of audio grade components are used to enhance the sound
experience;
High quality gold-plated input and output terminals;
Perfect protection circuit for overheating, overcurrent, etc.
High quality power adapter specially designed for audio.

Specifications
A20a
Inputs .................................................................................................XLR，RCA
THD+N ................................................................................................0.0033%
SNR ..........................................................................................................105dB
Channel separation .....................................................................................93dB
Input Sensitivity / Input Impedance ............................................150 mV / 47kΩ
Output Power ..........................................150Wx2(2Ω)/90Wx2(4Ω)/50Wx2(8Ω)
Power Consumption ....................................................................................40W
Standby power .........................................................................................<0.6W
Size .........................................................................100X125X190mm (WxHxD)
Weight
..................................................................................................... 1.45kg

Install 2 x AAA batteries as instructions.
When using the remote control, point it toward the remote con-trol signal receiver on
the main unit from a distance of 5 m (16 ft) or less. Do not place obstructions between
the main unit and the remote control.
The remote control might not work if the remote control signal receiver on the unit is
exposed to direct sunlight or bright light. If this occurs, try moving the unit.
Beware that use of this remote control could cause the unin-tentional operation of
other devices that can be controlled by infra.
Remote Control
Operating the remote control
Note
1. This remote controller use 2 x R03/AAA battaries.
2. When you first operate A20a, press the A key first.
Power ON/OFF
Input select
Invalid
MENU/OK
Next level menu
Return
Mute
Volume
/up
Volume /down
Switch to control A20a
Invalid
A20a

A20a
Display Interface and Instructions
Display
Remote window
Knob
SW OUT
RCA input
XLR input
Power output（DC 15V）
Left Speaker
Right Speaker
Power input（AC IN 100~240V）
NOTE
6
7
8
9
1
2
3
4
510
Note:
The 15VDC output of this machine is specially matched with the decoder A20d
. It is not recommended to supply power to other electrical appliances, and this
interface can not be used as power input!
1
H IGH RES OLU TION AMP LI FI ER
A20a
SPEAK ERS OUT
R L
15V DC OUTP UTSW
I NPUTR L
L
R
AC IN 100~24 0V
2 3 4 5
6
7
8 9 10

A20a
Setting Introduction
2. SETUP MENU
1）Long press the knob: power OFF/ON
2）Short press the knob: enter the menu,Long press to return to the main page
3）Turn the knob clockwise or counter clock wise to adjust the volume.
2.Display Description
1) When starting up, the machine will display " " meaning "A20a"
2）8 EQ menus
direct
Tone
Dynamic bass
Bass
Super Bass
Rock
Soft
Clear
3) The bass adjustment will show
4) The treble adjustment will show
5) Volume display
6) LED display status：Closed in standby, the center of the knob displays
"red"