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Use the search function, the navigation (left) or the following links: Start “Product overview” “Getting started” “Using the headphones” “FAQ/If a problem occurs ...” “Specifications” Sennheiser electronic GmbH & Co. KG Am Labor 1 30900 Wedemark Germany www.sennheiser.com Version: 03/20 A03 PXC 550-II | 1...
Preventing damage to health and accidents ▷ Protect your hearing from high volume levels. Permanent hearing damage may occur when headphones are used at high volume levels for long periods of time. Sennheiser headphones sound exceptionally good at low and medium volume levels. ▷...
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This product stores individual settings such as the volume and the Bluetooth addresses of paired devices. This data is required for the operation of the product and is not transferred to Sennheiser or com- panies commissioned by Sennheiser and is not processed.
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Sennheiser does not accept liability for damage arising from misuse or improper use of this product and its attachments/accessories. Sennheiser is not liable for damages to USB devices that are not con- sistent with the USB specifications. Sennheiser is not liable for damages resulting from the loss of con- nection due to flat or overaged rechargeable batteries or exceeding the Bluetooth transmission range.
• the Sennheiser Smart Control app for configuring the head- phones and for additional functions www.sennheiser.com/smart- control A list of accessories can be found on the PXC 550-II product page at www.sennheiser.com. Contact your local Sennheiser partner: www.sennheiser.com > “Service & Support”.
Ear cups, steplessly adjustable Microphones for active noise cancellation ANC: 2x directed outward, 2x directed inward (not visible) Touch pad (right ear cup) Bluetooth on/off switch position: off “0”, on “I” Ear pads Speech microphones (3x) for phone calls 6 | PXC 550-II...
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During charging Meaning Rechargeable battery is almost empty 1 red (less than 2% charged) 1 white Battery is approx. 2-20% charged 2 white Battery is approx. 20-40% charged 3 white Battery is approx. 40-60% charged PXC 550-II | 7...
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Microphone is muted, active call is put on hold “Mute off” Microphone is reactivated “More than xx % battery left” Rechargeable battery has the stated charge level “Recharge headset” Rechargeable battery is empty. Recharge the headphones. 8 | PXC 550-II...
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ANC is activated MAX mode Bluetooth on/off switch Position Function Bluetooth is activated > 31 Bluetooth is deactivated Voice assistant button Press the Function button Activates/deactivates the voice > 27 assistant Activates the Bluetooth pairing > 15 mode PXC 550-II | 9...
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Tap the touch pad Tap the touch pad and hold for and hold for 2 seconds 3 seconds HOLD HOLD Vertical swipe Horizontal swipe Vertical swipe and hold Horizontal swipe and hold +HOLD +HOLD +HOLD +HOLD 10 | PXC 550-II...
USB-A 2. Installing the Smart Control app on your smartphone The Sennheiser Smart Control app allows you to use all functions and settings of the headphones and to e.g. adjust the sound to your liking using the equalizer (> 16).
(> 7). When the battery charge drops to a critical level, a voice prompt asks you to recharge the headphones (“Recharge headset”). Sennheiser recommends using the supplied USB cable and a com- patible standard USB power supply for charging the headphones.
On switch-on, the headphones automatically try to connect to the last two connected Bluetooth devices. The headphones can save the connection profiles of up to eight Bluetooth devices with which they have been paired. PXC 550-II | 13...
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Bluetooth device will be over- written. If you want to re-establish a connection with the overwritten Bluetooth device, you have to pair the headphones again. Paired and connected Bluetooth device Paired Bluetooth device (currently not connected) 14 | PXC 550-II...
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All active Bluetooth devices in the proximity of your Bluetooth device are displayed. 5. From the list of found Bluetooth devices, select “PXC 550-II”. If necessary, enter the default pin code “0000”. If pairing was successful, you hear the voice prompts “Pairing successful”...
Installing the Smart Control app To make full use of all the settings and functions of the headphones, you need to have the free Sennheiser Smart Control app installed on your smartphone. Download the app from the App Store or Google Play and install it on your smartphone.
If Bluetooth is activated and the headphones cannot find a paired Bluetooth device within a few minutes, you hear the voice prompt “No device found”. The first LED of the LED dis- play flashes red. The headphones switch to standby mode. PXC 550-II | 17...
Retrieving information on the battery charge status When the headphones are connected to your Bluetooth device, the battery charge status can be displayed on the screen of your smart- phone (depending on the device and operating system used). 18 | PXC 550-II...
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1 white Battery is approx. 2-20% charged 2 white Battery is approx. 20-40% charged 3 white Battery is approx. 40-60% charged 4 white Battery is approx. 60-80% charged 5 white Battery is more than 80% charged PXC 550-II | 19...
When switching the headphones off, very high volume levels are automatically reset to a moderate level to protect your hearing when you switch the headphones on again. You can also adjust the volume using the connected Bluetooth device. 20 | PXC 550-II...
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– “I” (middle switch position): adjustable ANC mode “USER” (> 23); – “II” (lower switch position): maximum ANC mode “MAX”. To deactivate the active noise cancellation ANC: ▷ Slide the ANC switch to the upper position “0”. PXC 550-II | 21...
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Using the headphones Active Noise Cancellation ON - MAX ON - USER Right 22 | PXC 550-II...
(> 30). Controlling music playback The following music functions are only available when the head- phones and the device are connected via Bluetooth or the USB cable. Some smartphones or music players may not support all functions. PXC 550-II | 23...
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Touch gesture Function Swipe Plays the next track in the playlist forward Swipe Fast-forwards a track forward and hold HOLD Swipe Plays the previous track in the playlist backward Swipe Rewinds a track backward and hold HOLD 24 | PXC 550-II...
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▷ Dial the desired number on your smartphone. If your smartphone does not automatically transfer the call to the headphones, select “PXC 550-II” as the audio source on your smartphone (see the instruction manual of your smartphone if necessary). Accepting/rejecting/ending a call...
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Redialing The redialing function must be supported by your smartphone or Bluetooth device (with HFP profile). You may have to activate this function on your smartphone. ▷ Swipe forward on the touch pad and hold. 26 | PXC 550-II...
Amazon Alexa for the voice assistant button. 4. Start the Amazon Alexa app and select “Add Device”. 5. From the list of found devices, select “PXC 550-II”. You can now use Amazon Alexa by pressing the voice assistant button on your headphones. PXC 550-II | 27...
In the Smart Control app, select the desired sound effects. The sound effects are stored in the headphones. These sound settings are active even without using the Smart Control app, i.e. when you are using another Bluetooth device. 28 | PXC 550-II...
The active noise cancellation ANC can be fully used provided that the rechargeable battery is charged. You can also activate the flight mode without connecting an audio cable to the headphones (> 31). PXC 550-II | 29...
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(PA) system. In most cases, the announcements are much louder than the audio from the IFE. The PXC 550-II detects this and suppresses the volume jump that occurs when there is a switch between PA and IFE system.
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USB cable. ▷ From the Systems Preferences or Control Panel of your Mac/PC/ mobile device, select “PXC 550-II” as the default audio output device and/or default audio input device. ▷ Start music playback from the Mac/PC/mobile device.
Store the headphones in the carry case to prevent damage to the headphones when you are not using or transporting them. ▷ Fold up the headphones and place them in the carry case as shown in the illustration. 32 | PXC 550-II...
Sennheiser service partner. Outside the warranty period, you can have the rechargeable battery replaced for a fee by your Sennheiser service partner. Contact your local Sennheiser partner: www.sennheiser.com> “Service & Support”.
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If a problem occurs that is not listed in the FAQ section or if the prob- lem 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 > “Service & Support”. Leaving the Bluetooth transmission range Wireless calling and streaming are only possible in the Bluetooth transmission range of your smartphone.
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1. Switch the headphones off (> 18). 2. Press the voice assistant button for 4 seconds. The Smart Control app also allows you to reset the headphones to the factory default settings (e.g. EQ settings, ANC mode). PXC 550-II | 35...
Manufacturer Declarations Manufacturer Declarations Warranty Sennheiser electronic GmbH & Co. KG 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. In compliance with the following requirements •...
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Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. Other product and company names mentioned in the user documen- tation may be the trademarks or registered trademarks of their respective holders. 38 | PXC 550-II...