Sennheiser MX W1 User manual

MX W1
digital wireless system
Instruction manual

1
Contents
Important safety instructions ............................................. 2
MX W1 digital wireless earphone system ......................... 4
Delivery includes .................................................................... 4
Product overview ................................................................... 5
LED indications of the devices ...................................................6
Putting the MX W1 into operation ..................................... 6
Charging the MX W1 ...................................................................6
Associating the earphones to the transmitter (Pairing) .....9
Setting up your MX W1 for usage ......................................... 12
Using the MX W1 .................................................................14
Switching the earphones on/off ............................................ 14
Switching the transmitter on/off .......................................... 15
Putting on the earphones ....................................................... 16
Care and maintenance ........................................................17
Get the most out of your Sennheiser MX W1! ................19
Troubleshooting ...................................................................20
Accessories and spare parts ...............................................22
Specifications ........................................................................23
Manufacturer declarations .................................................24

2
Important safety instructions
The MX W1 has been manufactured according to the accepted rules
of safety and current technology. However, there is still a danger of
damage to equipment if the following general safety instructions
are not complied with.
• Please read these instructions for use carefully and completely
before using the devices.
• Make these instructions for use easily accessible to all users at all
times. Always include these instructions for use when passing
the devices on to third parties.
• Do not use the devices in situations which require special
attention (e.g. in traffic or when performing skilled jobs).
• Always keep the devices dry and do not expose them to extreme
temperatures (normal operating temperatures: 0 °C to 40 °C).
• Use the devices with care and store them in a clean, dust-free
environment.
• Switch off the devices after use to conserve battery power.
Remove the batteries if the earphones will not be used for
extended periods of time.
•Protectyourhearingfromhigh volume levels. Sennheiser
earphones also sound exceptionally good at low volumes.
• Use only Sennheiser supplied charging cables and power supply
units.
Intended use of the devices
Appropriate use of the devices includes:
• having read and understood these instructions, especially the
section “Important safety instructions”,
• using the devices within the operating conditions and
limitations described in this instruction manual.

3
Safety instructions for Lithium-Ion rechargeable batteries
If abused or misused, rechargeable batteries may leak. In extreme
cases, they may even present a
Please understand that Sennheiser does not accept liability for
damage arising from abuse or misuse.
•heathazard
•firehazard
• explosion hazard
• smoke and gas hazard
Keep away from
children.
Do not heat above
70°C/158°F, e.g. do
not expose to
sunlight or throw into
a fire.
Do not expose to
moisture.
Do not short-circuit.
Do not mutilate or
dismantle.
Do not get fully
charged but
unpacked
rechargeable
batteries mixed up.
Do not continue to
use defective
rechargeable
batteries.
Only use original
Sennheiser
rechargeable
batteries.
Observe correct polarity.
Switch rechargeable battery-
powered devices off after
use.
Remove rechargeable
batteries when the unit is not
used for extended periods of
time.
Only charge rechargeable
batteries with the
appropriate Sennheiser
chargers.
When not using rechargeable
batteries for extended
periods of time, charge them
regularly (about every three
months).
Only charge rechargeable
batteries at ambient
temperatures between 10°C
and 40°C.
Immediately remove
rechargeable batteries from
obviously defective devices.
Dispose of rechargeable
batteries at special collection
points or return them to your
specialist dealer.

4
MX W1 digital wireless earphone system
Thank you for purchasing MX W1 - Sennheiser's completely
digital wireless earphone system. We trust that you will enjoy
using it and that it will satisfy your expectations.
The MX W1 is simple to operate. These instructions for use have
been designed to help you get started. Please take some time to
read them carefully so as to ensure your utmost listening
pleasure.
Enjoy your new MX W1!
Delivery includes
1 MX W1-T transmitter
2 MX W1-R earphones (left/right) incl.
– earpads (1 pair, foam)
– twist-to-fit pads (3 pairs: size S/M/L)
1 MX W1-C docking station
1 carrying case
1 elastic fabric strap
4 rubber bands (2 x S/2 x L)
1 charging cable with USB plug
1 power supply unit with 4 country adaptors (US/UK/EU/AU)
1 instructions for use

5
Product overview
Earphones
Transmitter
Twist-to-fit pad
Speaker
LED (orange/blue)
Operation/pairing button of
the earphone
2.5 mm charging jack
Battery compartment
Operation/pairing button of
the transmitter
Reset button
LED (orange/blue)
2.5 mm charging jack
Connecting cable with
3.5 mm stereo jack plug
Dowel pin





쐋







6
Docking station
LED indications of the devices
Putting the MX W1 into operation
Charging the MX W1
Charge the rechargeable batteries of all MX W1 devices for
3 hours before first use.
When the battery is almost flat, the LED , or flashes
orange. You then have to charge the device.
Charging compartment for
earphones
Charging plugs for
earphones (inside the
charging compartment)
LED (orange/red)
Charging button
2.5 mm charging jack
LED Description
orange Charging of a device (see following chapter)
Docking station: Battery capacity < 5%
red Charging of the docking station (see following chapter)
blue
Associating the earphones to the transmitter (see page 9)
Switching the devices on/off (see page 14)
Transmitter/earphones: Battery capacity < 5%







1s0 2s

7
Charging the devices
To charge the devices (simultaneously or separately):
왘Connect the charging cable to the power supply unit .
왘Connect the suitable country adaptor to the power supply
unit .
왘Connect the charging cable to the charging jack of:
– the transmitter and the docking station 
– or the earphones .
왘If you want to charge all devices at one go, insert the
earphones into the charging compartments of the
docking station.
Danger of damage to the USB interface!
The USB interface of your computer can be
damaged if you connect the docking station
using the charging cable . This can lead to an
overload of the USB interface.
왘Only charge the docking station using the
power supply unit .
 



CAUTION!

8
왘Plug the country adaptor into a wall socket.
The batteries are being charged. The corresponding LEDs
light up.
왘Charge the rechargeable batteries until the LEDs go off
(approx. 2 hours).
Note:
– The transmitter has its own built-in rechargeable battery.
So it will not drain your audio device’s battery.
– With a fully charged rechargeable battery, the operating
time of the transmitter is approx. 10 hours and of the
earphones approx. 3 hours.
Charging the earphones on the move
When on the move, the earphones can be charged up to three
times in the docking station, without the docking station having
to be connected to the mains.
왘Insert the earphones into the charging compartments of
the docking station. Make sure that the earphones are
inserted correctly.
왘Press the charging button to start charging.
The rechargeable batteries are being charged. The LEDs 
and light up.
왘Charge the rechargeable batteries until the LEDs go off.




쐋