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Report No.: 209462
ATTACHMENT 3
Clause
Requirement + Test
Result - Remark
Verdict
TRF No. IEC60065K
Cont.
Zx.4 Requirements for listening devices (headphones and earphones)
Zx.4.1 Wired listening devices with analogue
input
With 94 dBA sound pressure output L
input
With 94 dBA sound pressure output L
Aeq,T
, the input
voltage of the fixed “programme simulation noise”
described in EN 50332-2 shall be ≥ 75 mV.
described in EN 50332-2 shall be ≥ 75 mV.
This requirement is applicable in any mode where
the headphones can operate (active or
passive), including any available setting (for
example built-in volume level control).
the headphones can operate (active or
passive), including any available setting (for
example built-in volume level control).
NOTE The values of 94 dBA – 75 mV correspond with 85dBA –
27 mV and 100 dBA – 150 mV.
27 mV and 100 dBA – 150 mV.
No portable sound system.
N/A
Zx.4.2 Wired listening devices with digital input
With any playing device playing the fixed “
programme simulation noise” described in
EN 50332-1 (and respecting the digital interface
standards, where a digital interface standard exists
that specifies the equivalent acoustic level), the
acoustic output L
With any playing device playing the fixed “
programme simulation noise” described in
EN 50332-1 (and respecting the digital interface
standards, where a digital interface standard exists
that specifies the equivalent acoustic level), the
acoustic output L
Aeq,T
of the listening device shall
be ≤ 100 dBA.
This requirement is applicable in any mode where the
headphones can operate, including any available
setting (for example built-in volume level control,
additional sound feature like equalization, etc.).
headphones can operate, including any available
setting (for example built-in volume level control,
additional sound feature like equalization, etc.).
NOTE An example of a wired listening device with digital input is
a USB headphone.
a USB headphone.
No portable sound system.
N/A
Zx.4.3 Wireless listening devices
In wireless mode:
In wireless mode:
with any playing and transmitting device playing
the fixed programme simulation noise described in
EN 50332-1; and
the fixed programme simulation noise described in
EN 50332-1; and
respecting the wireless transmission standards,
where an air interface standard exists that specifies
the equivalent acoustic level; and with volume and
sound settings in the listening device (for example
built-in volume level control, additional sound
feature like equalization, etc.) set to the
combination of positions that maximize the
measured acoustic output for the above-mentioned
programme simulation noise, the acoustic output
L
where an air interface standard exists that specifies
the equivalent acoustic level; and with volume and
sound settings in the listening device (for example
built-in volume level control, additional sound
feature like equalization, etc.) set to the
combination of positions that maximize the
measured acoustic output for the above-mentioned
programme simulation noise, the acoustic output
L
Aeq,T
of the listening device shall be ≤ 100 dBA.
NOTE An example of a wireless listening device is a Bluetooth
headphone.
headphone.
No portable sound system.
N/A
Zx.5 Measurement methods
Measurements shall be made in accordance with
EN 50332-1 or EN 50332-2 as applicable.
Unless stated otherwise, the time interval T shall be
30 s.
Measurements shall be made in accordance with
EN 50332-1 or EN 50332-2 as applicable.
Unless stated otherwise, the time interval T shall be
30 s.
NOTE Test method for wireless equipment provided without
listening device should be defined.
listening device should be defined.
No portable sound system.
N/A
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