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Issue Date: 

2014-08-11 

Page 2 of 20 

Report Reference #

BTL-CB-1-S1407C070

 

 

 

 

IEC60950_1F - ATTACHMENT 

Clause 

Requirement + Test 

Result - Remark 

Verdict

 

 

 

 

 

 

 

 

Clause 

Requirement + Test 

Result - Remark 

Verdict

General

 

(A2:2013)

 

Delete all the “country” notes in the reference document (IEC 60950-
1:2005/A2:2013) according to the following list: 
2.7.1 

 Note 

* 

  2.10.3.1 

 

Note 

2   

6.2.2.   

Note  

* 

Note of secretary: Text of Common Modification remains unchanged.

 

 

P 

1.1.1

 

(A1:2010)

 

 the text of NOTE 3 by the following. 

NOTE 3 The requirements of EN 60065 may also be used to meet safety requirements for multimedia 
equipment. See IEC Guide 112, Guide on the safety of multimedia equipment. For television sets EN 
60065 applies. 

P 

1.3.Z1 

Add the following subclause: 
1.3.Z1 Exposure to excessive sound pressure  
The apparatus shall be so designed and 
constructed as to present no danger when used for 
its intended purpose, either in normal operating 
conditions or under fault conditions, particularly 
providing protection against exposure to excessive 
sound pressures from headphones or earphones. 

NOTE Z1 A new method of measurement is described in 
EN 50332-1, Sound system equipment: 
Headphones and earphones associated with portable 
audio equipment - Maximum sound pressure level 
measurement methodology and limit considerations - 
Part 1: General method for “one package equipment”, 
and in EN 50332-2, Sound system equipment: 
Headphones and earphones associated with portable 
audio equipment - Maximum sound pressure level 
measurement methodology and limit considerations - 
Part 2: Guidelines to associate sets with headphones 
coming from different manufacturers.

 

 N/A 

(A12:2011)

 

In EN 60950-1:2006/A12:2011 
Delete the addition of 1.3.Z1 / EN 60950-1:2006 
Delete the definition 1.2.3.Z1 / EN 60950-1:2006 
/A1:2010  

Delete. N/A 

1.5.1 
 
 
 

(Added 
info*)

 

Add the following NOTE: 

NOTE Z1 The use of certain substances in electrical and 
electronic equipment is restricted within the EU: see 
Directive 2002/95/EC. 
New Directive 2011/65/11 *

 

Added. P 

1.7.2.1 

(A1:2010) 

In addition, for a PORTABLE SOUND SYSTEM, the 
instructions shall include a warning that excessive 
sound pressure from earphones and headphones 
can cause hearing loss. 

 N/A 

Issue Date: 

2014-08-11 

Page 3 of 20 

Report Reference #

BTL-CB-1-S1407C070

 

 

 

 

IEC60950_1F - ATTACHMENT 

Clause 

Requirement + Test 

Result - Remark 

Verdict

 

 

 

 

 

 

 

 

Clause 

Requirement + Test 

Result - Remark 

Verdict

1.7.2.1 

(A12.2011)

 

In EN 60950-1:2006/A12:2011 
Delete NOTE Z1 and the addition for Portable 
Sound System. 
Add the following clause and annex to the existing 
standard and amendments. 

Not personal music players 

N/A 

N/A 

Zx.1 General 
This sub-clause specifies requirements for 
protection against excessive sound pressure from 
personal music players that are closely coupled to 
the ear. It also specifies requirements for 
earphones and headphones intended for use with 
personal music players. 

 

A personal music player is a portable equipment 
for personal use, that: 
is designed to allow the user to listen to 
  recorded or broadcast sound or video; and 
primarily uses headphones or earphones that 
  can be worn in or on or around the ears; and 
allows the user to walk around while in use. 

NOTE 1 Examples are hand-held or body-worn portable CD 
players, MP3 audio players, mobile phones with MP3 type 
features, PDA’s or similar equipment. 

 

A personal music player and earphones or 
headphones intended to be used with personal 
music players shall comply with the requirements 
of this sub-clause. 

 

The requirements in this sub-clause are valid for 
music or video mode only. 

 

The requirements do not apply: 
while the personal music player is connected to 
  an external amplifier; or 
while the headphones or earphones are not 
used.                         

NOTE 2 An external amplifier is an amplifier which is not part of 
the personal music player or the listening device, but which is 
intended to play the music as a standalone music player. 

 

The requirements do not apply to: 
hearing aid equipment and professional   
 equipment; 

NOTE 3 Professional equipment is equipment sold through 
special sales channels. All products sold through normal 
electronics stores are considered not to be professional 
equipment. 

 

 

N/A 

Issue Date: 

2014-08-11 

Page 4 of 20 

Report Reference #

BTL-CB-1-S1407C070

 

 

 

 

IEC60950_1F - ATTACHMENT 

Clause 

Requirement + Test 

Result - Remark 

Verdict

 

 

 

 

 

 

 

 

Clause 

Requirement + Test 

Result - Remark 

Verdict

analogue personal music players (personal 
  music players without any kind of digital 
  processing of the sound signal) that are brought 
  to the market before the end of 2015. 

NOTE 4 This exemption has been allowed because this 
technology is falling out of use and it is expected that within a 
few years it will no longer exist. This exemption will not be 
extended to other technologies. 

 

For equipment which is clearly designed or 
intended for use by young children, the limits of EN 
71-1 apply. 

 

 

Zx.2 Equipment requirements 
No safety provision is required for equipment that 
complies with the following: 
equipment provided as a package (personal 

music player with its listening device), where 

 

the acoustic output L

Aeq,T 

is ≤ 85 dBA 

measured while playing the fixed “programme 
simulation noise” as described in EN 50332-1; 
and 

a personal music player provided with an 
  analogue electrical output socket for a listening 
  device, where the electrical output is ≤ 27 mV 
  measured as described in EN 50332-2, while 
  playing the fixed “programme simulation noise” 
  as described in EN 50332-1. 

NOTE 1 Wherever the term acoustic output is used in this 
clause, the 30 s A-weighted equivalent sound pressure level 
L

Aeq,T 

is meant. See also Zx.5 and Annex Zx. 

 

All other equipment shall: 

a) protect the user from unintentional acoustic  
  outputs exceeding those mentioned above; and 
b) have a standard acoustic output level not 
  exceeding those mentioned above, and 

  automatically return to an output level not 
  exceeding those mentioned above when the
  power is switched off; and 


 

N/A 

Issue Date: 

2014-08-11 

Page 5 of 20 

Report Reference #

BTL-CB-1-S1407C070

 

 

 

 

IEC60950_1F - ATTACHMENT 

Clause 

Requirement + Test 

Result - Remark 

Verdict

 

 

 

 

 

 

 

 

Clause 

Requirement + Test 

Result - Remark 

Verdict

c) provide a means to actively inform the user of 
  the  increased sound pressure when the 
  equipment is operated with an acoustic output 
  exceeding  those mentioned above. Any means 
  used shall  be acknowledged by the user before 
  activating a mode of operation which allows for 
  an acoustic output exceeding those mentioned 
  above. The acknowledgement does not need to 
  be repeated more than once every 20 h of 
  cumulative listening time; and 

NOTE 2 Examples of means include visual or audible signals. 
Action from the user is always required. 
NOTE 3 The 20 h listening time is the accumulative listening 
time, independent how often and how long the personal music 
player has been switched off. 

d) have a warning as specified in Zx.3; and

 

 e) not exceed the following: 

  1) equipment provided as a package (player 
  with Its listening device), the acoustic output 
 shall 

be 

≤ 100 dBA measured while playing the 

  fixed “programme simulation noise” described 
  in EN 50332-1; and 
  2) a personal music player provided with an 
  analogue electrical output socket for a listening 
  device, the electrical output shall be ≤ 150 mV 
  measured as described in EN 50332-2, while 
  playing the fixed “programme simulation noise” 
  described in EN 50332-1. 
For music where the average sound pressure (long 
term L

Aeq,T

) measured over the duration of  the 

song is lower than the average produced by the 
programme simulation noise, the warning does not 
need to be given as long as the average sound 
pressure of the song is below the basic limit of 85 
dBA. In this case T becomes the duration of the 
song. 

NOTE 4 Classical music typically has an average sound 
pressure (long term L

Aeq,T

) which is much lower than the 

average programme simulation noise. Therefore, if the player is 
capable to analyse the song and compare it with the 
programme simulation noise, the warning does not need to be 
given as long as the average sound pressure of the song is 
below the basic limit of 85 dBA. 

For example, if the player is set with the programme simulation 
noise to 85 dBA, but the average music level of the song is only 
65 dBA, there is no need to give a warning or ask an 
acknowledgement as long as the average sound level of the 
song is not above the basic limit of 85 dBA.

