Charging the battery pack ... 8 Adjusting the headband ... 10 Switching the MM 550 on/off ... 11 Connecting the MM 550 to the audio source ... 12 Connecting the MM 550 using the audio cable ... 15 Using the MM 550 ... 16 Adjusting the MM 550 to the listening situation ...
• The headset contains magnets that generate a magnetic field which • Please protect your hearing from high volume levels. Sennheiser head- • Only use the mains units and charging cables supplied by Sennheiser. • To reduce the risk of fire or electric shock, do not use the product near •...
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• a heat hazard, • a fire hazard, • an explosion hazard, • a smoke or gas hazard. Please understand that Sennheiser does not accept liability for damage arising from abuse or misuse. Keep away from children. Immediately remove the battery pack from an obvi- ously defective product.
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MM 550 MM 550 The MM 550 is an accessory which allows for wireless music enjoyment when used with mobile phones or other Bluetooth devices/Bluetooth compliant devices. Its circumaural, closed design and the latest active noise compensation technology (NoiseGard) make the MM 550 especially suitable for use with in-flight entertainment systems.
Delivery includes 1 MM 550 headset 1 BA 370 PX battery pack 1 USB charging cable 1 mains unit with country adapters 1 stereo audio cable (2.5 mm to 3.5 mm jack plug) 1 audio adapter (3.5 mm jack socket to ¼” (6.35 mm) jack plug) 1 in-flight adapter (3.5 mm jack socket to 3.5 mm double mono jack plug)
Delivery includes Overview of the pictograms Meaning of the pictograms for pressing a button Meaning of the pictograms for the flashing of the LED Examples of some of the pictograms that are used throughout this instruc- tion manual: The pictogram “i” Pictogram Meaning Briefly press this button.
The operating time will be reduced if you use SRS WOW HD. Before using the MM 550 for the first time, remove the protection strip from the battery pack. Before using the battery pack for the first time, charge it for at least 3 hours.
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Press the button next to the battery pack compartment and remove the battery pack. ¹ Connect the charging cable battery pack. Putting the MM 550 into operation ¹ to the battery pack as described in ¹ to a power source as ¹...
Putting the MM 550 into operation Connecting the charging cable to the mains unit, to a PC or to other USB devices In order to charge the battery pack, you can connect the charging cable to either the USB socket of your PC or the supplied mains unit or to other USB devices.
3 times red. You hear a descending beep. The Bluetooth connection is automatically deactivated. The headset switches off. Putting the MM 550 into operation Hearing damage due to high volumes! Listening at high volume levels for long periods can lead to permanent hearing defects.
Only use the headset in aircraft where wireless Bluetooth transmission is permitted or use the audio cable instead (see “Connecting the MM 550 using the audio cable” on page 15). For an optimum listening experience, your audio source has to...
In this case, repeat the necessary steps to pair the headset with the audio source again. Switching the “Bluetooth connection” flashing on/off Switch the headset off (see “Switching the MM 550 off” on page 11). To switch the flashing Press the alternately flashes blue and red.
Putting the MM 550 into operation Disconnecting the Bluetooth connection To disconnect the Bluetooth connection to the audio source, you can switch off the headset or the Bluetooth function. This setting is retained until the Bluetooth function is switched on again.
Detaching the audio cable If you only want to use the MM 550 as a Bluetooth headset, you can detach the audio cable Pull the 2.5 mm jack plug of the audio cable the headset.
Switching the NoiseGard function on/off The NoiseGard function has to be switched on to be active. If the NoiseGard function is switched off, the MM 550 can also be used as a conventional headset. To switch the NoiseGard function on: To switch the NoiseGard function off: button ¿.
3 times red. You hear a descending beep. Bluetooth function is switched off. Changing the volume The MM 550 allows you to change the volume of the audio signal during a call or while listening to music: Button If you press the respective button briefly, the volume is changed incremen- tally;...
Remote-controlling connected devices from the MM 550 You can directly remote-control any device supporting the AVRCP profile and connected to the MM 550 by using the buttons on the headset. Please refer to the instruction manual of your audio source for information on whether your device supports the AVRCP profile.
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Remote-controlling a mobile phone from the MM 550 If your MM 550 has a Bluetooth connection to your mobile phone, the ringing. The LED flashes 3 times blue. After a pause, the flashing is repeated. You can also hear the ring tone of your mobile phone if your mobile phone supports this function.
Using the MM 550 Resetting the settings of the MM 550 You can reset all settings of your headset to the factory default settings. This allows you to prevent that other users of the headset can access your Bluetooth enabled devices. You can then pair five new devices with the headset.
Transporting the MM 550 For space-saving transportation, the headset can be folded up compactly. Rotate the ear cups by 90°. Fold the ear cups inwards. Place the headset flat into the transport case. Your accessories can be transported in the front bag of the transport case: •...
For reasons of hygiene, you should clean the headset regularly: Replacing the ear pads You can replace the ear pads. Spare ear pads are available from your Sennheiser partner or can be ordered at www.sennheiser.com under “Service & Support”. ¶...
If a problem occurs ... Problem Possible cause No operation The battery pack indicator – is flat. headset cannot be switched on No audio The jack plug of signal when the audio cable is the audio cable not properly is connected connected.
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If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions, please contact your Sennheiser partner for assistance. To find a Sennheiser partner in your country, search at www.sennheiser.com. Problem...
Accessories Cat. No. Accessory 540364 Ear pads, 1 pair 540363 Headband padding, 1 pair 525776 PSC 03R-050 mains unit with 4 country adapters (EU/UK/US/AUS) 531406 Stereo audio cable (2.5 mm jack plug to 3.5 mm jack plug) 088526 In-flight adapter (3.5 mm jack socket to 3.5 mm double mono jack plug) 077046 Audio adapter...
Specifications Specifications Transducer principle Ear coupling Frequency response Nominal impedance active/passive Sound pressure level at 1 kHz and 1 Volt THD at 1 kHz Audio connection Audio adapter In-flight adapter Cable length Weight BA 370 PX battery pack Operating temperature range Storage temperature range Passive noise attenuation NoiseGard...
Optimal headphone listening SRS WOW HD includes techniques based on patented HRTFs to deliver a natural, non-fatiguing headphone listening experience by placing the perception of the stereo sound image outside of one’s head making it more realistic and immersive.
Manufacturer Declarations Manufacturer Declarations Warranty Sennheiser Communications A/S gives a warranty of 24 months on this product. For the current warranty conditions, please visit our website at www.sennheiser.com or contact your Sennheiser partner. Declaration of Conformity This product complies with the basic requirements and other relevant provisions of the following directives: •...
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• Consult the dealer or an experienced radio/TV technician for help. This class B digital apparatus complies with the Canadian ICES-003. Changes or modifications made to this equipment not expressly approved by Sennheiser electronic Corp. may void the FCC authorization to operate this equipment. RF Radiation Exposure Information...
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Manufacturer Declarations In compliance with: FCC ID: DMOCBSSAB Canada IC: 2099D – MMBTX Europe Australia/ New Zealand Singapore Taiwan CCAB10LP0980T1 Japan 203 WW JN000022 Russia ME61 Korea SC9 - MM550 China CMIIT ID: 2010DJ1403...
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Sennheiser and NoiseGard™ are registered trademarks of Sennheiser electronic GmbH & Co. KG. ® The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sennheiser electronics GmbH & Co. KG is under license. ® ® iPhone...