Contents Contents Important safety instructions ............2 MM 450 ....................4 Delivery includes ................. 5 Product overview ................7 Putting the MM 450 into operation ..........8 Charging the battery pack ..............8 Adjusting the headband ..............10 Switching the MM 450 on/off ............11 Connecting the MM 450 to the audio source ......
Important safety instructions Important safety instructions • Please read these instructions carefully and completely before using the headset. • Make these instructions easily accessible to all users at all times. Always include these instructions when passing the headset on to third parties.
Important safety instructions Intended use Intended use of the headset includes • having read this instruction manual, especially the chapter “Important safety instructions” on page 2, • using the headset within the operating conditions and limitations described in this instruction manual. “Improper use”...
MM 450 MM 450 The MM 450 is an accessory which allows for wireless music enjoyment when used with mobile phones or other Bluetooth devices/Bluetooth compliant devices. Its supra-aural, closed design and the latest active noise compensation technology (NoiseGard) make the MM 450 especially suitable for use with in-flight entertainment systems.
Delivery includes Delivery includes 1 MM 450 headset 1 BA 370 PX battery pack 1 USB charging cable 1 PSC 03R-050 mains unit with country adapters 1 audio cable (2.5 mm to 3.5 mm jack plug) 1 audio adapter (6.35 mm jack plug) 1 in-flight adapter (3.5 mm double mono jack plug) 1 transport case 1 quick start guide...
Delivery includes Overview of the pictograms Meaning of the pictograms for pressing a button Pictogram Meaning Briefly press this button. Keep this button pressed for 4 seconds. Keep this button pressed until the desired setting is made or the desired action is completed. Meaning of the pictograms for the flashing of the LED Pictogram Meaning...
Putting the MM 450 into operation 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, even when you switch the headset off in the meantime.
Putting the MM 450 into operation Connecting the MM 450 using the audio cable Connecting the audio cable You can connect the headset to the audio source using the audio cable if • you do not want to use the Bluetooth function, •...
Using the MM 450 Using the MM 450 Adjusting the MM 450 to the listening situation The headset has a NoiseGard function, a Bluetooth function and a TalkThrough function. Depending on the listening situation, you can switch these functions on or off. Switching the NoiseGard function on/off NoiseGard button...
Using the MM 450 Switching the Bluetooth function on/off Via the Bluetooth interface, the headset can be connected to a wide variety of Bluetooth enabled devices. To switch the Bluetooth function on: Press the Bluetooth button and keep it pressed until the flashes 3 times blue.
Using the MM 450 Remote-controlling connected devices from the MM 450 You can directly remote-control any device supporting the AVRCP profile and connected to the MM 450 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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Using the MM 450 Remote-controlling a mobile phone from the MM 450 If your headset has a Bluetooth connection to your mobile phone, the on the headset flashes to indicate that the mobile phone is ringing. The LED flashes 3 times blue. After a pause, the flashing is repeated.
Using the MM 450 Resetting the settings of the MM 450 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 450 Transporting the MM 450 For space-saving transportation, the headset can be folded up flatly compactly. Rotate the ear cups by 90°. Tuck the ear cups between the headband. Place the headset flat into the transport case. Your accessories can be transported in front bag of the transport case: •...
Cleaning and maintaining the MM 450 Cleaning and maintaining the MM 450 Cleaning the MM 450 CAUTION! Liquids can damage the electronics of the device! Liquids entering the housing of the device can cause a short- circuit and damage the electronics. Keep all liquids far away from the device.
If a problem occurs ... If a problem occurs ... Problem Possible cause Solution No operation The battery pack is flat. Recharge the battery pack indicator – (see page 8). headset cannot be switched on No audio signal The jack plug of the Check the connection to your when the audio audio cable is not...
Accessories and spare parts Accessories and spare parts The following MM 450 accessories are available from your specialist dealer: Cat. No. Accessory/spare part 531404 Ear pads, 1 pair 531405 Headband padding, 1 pair 521829 PSC 03R-050 mains unit with 4 country adapters (EU/UK/US/AU) 531406 Audio cable...
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. CE Declaration of Conformity These devices comply with the basic requirements and other relevant provisions of the following directives: •...
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Manufacturer Declarations This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
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Manufacturer Declarations Trademarks 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 &...