Manual
Stereo
Headphones
MDR-7550
4-281-163-21(1)
使用说明书
Operating Instructions
使用說明書
English
Stereo headphones
Features
Ideal for live performance on stage
16 mm dynamic type driver units deliver a wide frequency range and broader dynamic
range, and reproduce accurate sound
Multiple Layer diaphragm for the driver unit prevents resonance for high-resolution
sound
Acoustically adjusted by hand
Secure fitting with flexible hanger
Closed type vertical in-the-ear headphones for wearing comfort
3 sizes of hybrid silicone rubber earbuds for secure fit and long-term wearing comfort
(S, M, L)
Detachable cord
Carrying case supplied
How to use
Wearing the headphones (see fig. -)
Wear the headphone marked in your right ear and the one marked in your left ear.
To distinguish the left side, there are two tactile dots and a blue line on the unit marked
. And there is a red line on the unit marked .
1
Hold the headphone as in the illustration, and curve the hanger into an ear
shape.
2
Insert the headphone into your ear securely, and place the cord around the
back of your neck.
3
Tuck the hanger over your ear to fit snugly.
4
Move the cord slider up to pull the hanger and cord against your head.
If the cord is detached (see fig. -)
Connect the blue cord jack to the left headphone (marked ), and the red cord jack to
the right headphone (marked
). Tighten each screw collar.
Note
Clean the cord jack and screw collar with a soft cloth in order to prevent poor contact of the cord.
Installing the earbuds correctly (see fig. )
If the earbuds do not fit your ears correctly, low-bass sound may not be heard. To enjoy
better sound quality, change the earbuds to another size, or adjust the earbuds position to
sit on your ears comfortably and fit your ears snugly.
If the earbuds do not fit your ears, try another size. Confirm the size of the earbuds by
checking the colour inside (see fig.
-).
When you change the earbuds, install them firmly on the headphones to prevent the
earbud from detaching and remaining in your ear.
Earbud sizes (inside colour)
Small
Large
S (Orange) M (Green) L (Light blue)
To detach an earbud (see fig. -)
While holding the headphone, twist the parts inside of the earbud and pull the earbud
off.
Tip
If the earbud slips and cannot be detached, wrap it in a dry soft cloth.
To attach an earbud (see fig. -)
Push the parts inside of the earbud into the headphone until the projecting part of the
headphone is fully covered.
To clean the earbuds
Remove the earbuds from the headphones, and wash them with a mild detergent
solution.
Specifications
Type: Closed, dynamic
Driver unit: 16 mm, dome type (CCAW)
Power handling capacity:
500 mW (IEC*)
Impedance: 16 Ω at 1 kHz
Sensitivity: 108 dB/mW
Frequency response:
3 – 28,000 Hz
Cord: 1.6 m (OFC Litz cord adopted, Y-type, detachable)
Plug: Gold-plated L-shaped stereo mini plug
Mass: Approx. 7 g without cord
Supplied accessories
Carrying case (1) / Earbuds (S (2), M (2), L (2)) / Operating Instructions (1)
* IEC = International Electrotechnical Commission
Design and specifications are subject to change without notice.
Precautions
Please keep your headphones clean at all times especially inside the rubber earbud.
(see fig.
)
If any dust or ear wax is inside the earbud, you may experience some listening
difficulties.
Listening with headphones at high volume may affect your hearing. For traffic safety,
do not use while driving or cycling.
Handle the driver units carefully.
Do not put weight or pressure on the headphones as it may cause the headphones to
deform during long storage.
The earbuds may deteriorate due to long-term storage or use.
Install the earbuds firmly onto the headphones. If an earbud accidentally detaches and
is left in your ear, it may cause injury.
Do not pull the hanger or cord too hard.
Store the earbuds where children cannot reach in order to prevent from accidental
ingestion or choking.
Note on static electricity
In particularly dry air conditions, mild tingling may be felt on your ears. This is a result
of static electricity accumulated in the body, and not a malfunction of the headphones.
The effect can be minimized by wearing clothes made from natural materials.
This mark is valid only in those European countries where it is legally
applicable.
2
3
4
1
耳挂
Hanger
导线滑动器
Cord slider
触觉点
Tactile dot
蓝线
Blue line
触觉点
Tactile dot
红线
Red line
截面图
Sectional View
涂色部分
Coloured parts
产品中有毒有害物质或元素的名称及含量
使用环境条件：5 度 - 35 度 （
∶不含有，× ∶含有）
部件
名称
有毒有害物质或元素
铅（Pb）汞（Hg）镉（Cd）
六价铬
（Cr（VI））
多溴联苯
（PBB）
多溴二苯醚
（PBDE）
外壳 ×
附件 ×
： 表示该有毒有害物质在该部件所有均质材料中的含量均
在 SJ/T11363-2006 标准规定的限量要求以下。
×： 表示该有毒有害物质至少在该部件的某一均质材料中的
含量超出 SJ/T11363-2006 标准规定的限量要求。
For China Market Only:
制造商 : 索尼公司
地址 : 日本国东京都港区港南 1-7-1
总经销商 : 索尼（中国）有限公司
地址 : 北京市朝阳区东三环北路霞光里 18 号佳程大厦 A
座 25 层
原产地 : 日本
出版日期 : 2011 年 1 月
简体中文
立体声耳机
操作本机之前，请仔细阅读本手册并妥善保管以备将来参考。
特点
可产生完美的舞台现场表演效果
16 mm 动态型驱动单元，频率范围宽广，动态范围更大，可
以再现准确声音
多层膜片驱动单元可防止共振而实现高分辨率声音
手动调节声音
牢固贴合的柔软耳挂
封闭型垂直入耳式耳机，佩戴舒适
3 种尺寸混合硅胶耳塞，适合长时间稳固舒适佩戴（S、M、L）
可拆卸式导线
随机提供携带盒
如何使用
佩戴耳机（见图
-
）
将标有
的耳机戴在右耳，将标有
的耳机戴在左耳。
标有
的耳机上有两个触觉点和一条蓝线以辨识左侧。在标
有
的耳机上有一条红线。
1
如图所示握住耳机，按照耳形弯折耳挂。
2
将耳机紧紧塞入耳朵，将导线挂放在头颈背部。
3
将耳挂折叠在耳朵上，使其紧密贴合。
4
将导线滑动器向上移动，紧靠头部拉耳挂和导线。
若已拆下导线（见图
-
）
将蓝色导线插孔连接至左耳机（标有
），将红色导线插孔
连接至右耳机（标有
）。拧紧各螺丝环。
注意
请用软布清洁导线插孔和螺丝环以防止导线接触不良。
如何正确安装耳塞（见图
）
如果耳塞不能正确贴合您的耳朵，可能听不到重低音。若要
欣赏更佳音质，请更换其他尺寸的耳塞，或调节耳塞位置，
使耳塞舒适服贴地位于您的耳内。
如果耳塞不适合您的耳朵，请尝试使用其他的尺寸。通过查
看内部的颜色确认耳塞的尺寸（见图
-
）。
更换耳塞时，请将其牢固地安装在耳机上以防止耳塞脱落在
您的耳内。
耳塞尺寸（内部颜色）
小
大
S（
橙色
） M（绿色） L（浅蓝色）
取下耳塞（见图
-
）
握住耳机的同时，转动耳塞内侧部件将其拔下。
提示
如果耳塞较滑无法拆下，请用柔软干布将其包住。
装上耳塞（见图
-
）
将耳塞内的组件推入耳机，直至完全盖住耳机的突出部分。
清洁耳塞
从耳机上拆下耳塞，用中性清洁剂溶液清洗。
规格
类型： 封闭式，动态
驱动单元：
16 mm，圆顶型（CCAW）
功率处理容量：
500 mW（IEC*）
阻抗：
1 kHz 时 16 Ω
灵敏度：
108 dB/mW
频率响应：
3 – 28000 Hz
导线：
1.6 m（采用 OFC 绞合导线、Y 型、可拆卸式）
插头：
镀金 L 形立体声迷你插头
质量：
约 7 g（不包括导线）
附件
携带盒（1）/ 耳塞（S（2）、M（2）、L（2））/ 使用说明书（1）
* IEC = 国际电工委员会
设计和规格如有变更，恕不另行通知。
注意事项
请始终保持耳机清洁，尤其是橡胶耳塞内部（见图
）。
如果灰尘或耳垢进入耳塞，聆听效果可能不佳。
戴着耳机以高音量收听可能会影响您的听力。为了交通安
全，请勿在驾车或骑车时使用。
请⼩⼼操作驱动单元。
请勿在耳机上放置重物或对其施加压力，否则在长期存放
过程中可能会造成耳机变形。
耳塞可能会由于长期存放或使用而老化。
将耳塞牢固安装在耳机上。如果耳塞意外脱落在您的耳内，
可能会造成伤害。
请勿用力拉耳挂或导线。
请将耳塞存放在儿童无法拿到的地方，以免意外吞入或窒息。
静电注意事项
在特别干燥的空气条件下，耳朵可能会感到轻微刺痛。这是
由于体内积聚的静电所致，而非耳机故障。
穿着天然材料制成的衣服可将此影响减到最少。
此标志的有效性仅限法律强制要求的欧洲国家。
©2011 索尼公司 日本印刷
Sony Corporation Printed in Japan