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Sennheiser PXC550-II Wireless

Noise-canceling Bluetooth® headphones

Item # 143PXC5502

This sequel to Sennheiser's massively popular noise-canceling headphones boasts even better wireless performance.

This sequel to Sennheiser's massively popular noise-canceling headphones boasts even better wireless performance.

Discontinued item
2 questions - 5 answers

Item # 143PXC5502

Other options

About the Sennheiser PXC550-II Wireless

Update to one of our go-to headphone choices for office and travel 

Here at Cruthfield HQ, we were pretty excited to hear that Sennheiser released this sequel to their massively popular PXC 550 Wireless headphones. Many of us wore the original version around the office. This version boasts Sennheiser's hybrid noise canceling technology and even better wireless performance. 

Update to one of our go-to headphone choices for office and travel 

Here at Cruthfield HQ, we were pretty excited to hear that Sennheiser released this sequel to their massively popular PXC 550 Wireless headphones. Many of us wore the original version around the office. This version boasts Sennheiser's hybrid noise canceling technology and even better wireless performance. 

What's new?

The major upgrade that leaps off the page at me is the addition of Bluetooth 5.0. This is the latest and greatest version of the popular wireless technology, and it's a big deal. You get a stronger, more stable connection when you play music wirelessly with your phone. It also helps with efficiency, which is probably why this version offers a longer battery life than its predecessor — up to 30 hours of wireless music listening with noise cancellation.

There is also a new dedicated voice-control button that gives you one-tap access to Google Assistant, Amazon Alexa, or Siri® via your smartphone. Ask questions, dictate texts, or control your tunes by voice — with no awkward delays.

Versatile wireless headphones designed for travel 

Noise-canceling headphones are always my go-to recommendation for air travel. And the Sennheiser PXC 550 II Wireless headphones are tailor-made for frequent flyers. Their noise-canceling circuitry automatically adjusts itself to your surrounding environment.

You can block out everything from a crowded airport to a loud plane engine. And you can listen wirelessly or use the included cable to enjoy in-flight entertainment. 

Sennheiser's free app lets you adjust the sound and noise cancellation

Sennheiser also has a new, free Smart Control app that you can download to your Apple® or Android™ device. It lets you choose your level of noise cancellation. And if you need to hear your surroundings? Transparent Hearing Mode uses the headphones' built-in mics to allow in ambient sounds.

You can also tweak the out-of-the-box sound. Choose from sound setting presets, adjust the EQ manually, or use the app's "emotional equalizer" screen to make tonal adjustments based on your mood.


Product highlights:

  • closed-back, over-the-ear design
  • Bluetooth 5.0 connectivity for wireless music listening and phone calls with compatible smartphones
    • aptX® and AAC decoding provides high-quality music streaming from compatible devices
    • aptX Low Latency decoding helps sync audio and video on compatible devices
  • Sennheiser's advanced Hybrid noise-cancellation technology blocks out external distractions
    • level of noise cancellation adjusts to your environment
  • 32mm drivers tuned to deliver clear, detailed sound
  • built-in rechargeable battery offers up to 30 hours of wireless use with noise cancellation
Easy controls and optional, free mobile app:
  • built-in earcup sensors pause music when you remove headphones
  • earcup touch controls let you answer calls, play/pause music, skip tracks, and control volume
    • triple microphone array captures your voice for crystal-clear phone calls
  • dedicated earcup button summons Amazon Alexa, Google Assistant, or Siri on your smartphone or tablet
    • ask questions, dictate texts, and control music by voice
    • available for Apple® and Android™
  • free Sennheiser Smart Control app for Apple and Android allows you to adjust settings and customize the sound
    • select from preset sound modes or customize your own setting
    • Transparent Hearing Mode lets you hear external sounds
General info, accessories, and specs:
  • soft, specially shaped earpads for long-lasting comfort
  • fold-flat design for compact storage
  • USB charging cable included
  • detachable 3.5mm headphone cable with remote/mic for wired use
    • airport adapter included
  • durable travel case
  • frequency response: 17-23,000 Hz
  • sensitivity: 110 dB
  • impedance: 49 ohms (wired)
  • weight: 8 ounces
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 508337

Fit FactorsSM

  • Stable (stays in place)
  • Snug fit
  • Good for flight/travel

What's in the box:

  • Over-ear wireless headphones (black)
  • 56" Audio cable (right angled 3.5mm plug on one end and straight 2.5mm sub-mini plug on other end)
  • 50" USB cable (Type A USB on one end and Micro-B USB on other end)
  • In-flight adapter (female 3.5mm jack on one end and dual male 3.5mm plugs on other)
  • Soft zippered storage case
  • Quick Guide
  • Safety Guide

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More details on the Sennheiser PXC550-II Wireless

Mark G.

Features & specs

Fit Style Over-the-ear
Earcup Type Closed
Earcup Width x Height 2.976" x 4.109"
Noise-canceling Yes
Bluetooth Yes
Bluetooth Version 5.0
Single-earbud Operation ---
Mic For Taking Calls Yes
Voice Assistant Access
Amazon Alexa Yes
Google Assistant Yes
Siri Yes
3.5mm Yes
1/4" No
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other None
Frequency Response 17-23k Hz
Sensitivity 110 dB
Impedance 46 Ohms
Weight 8.2 ounces
Cord Length 56"
Parts Warranty 2 Years
Labor Warranty 2 Years
The Sennheiser PXC550-II Wireless replaces these items:

Product Research


Overview: The Sennheiser PXC 550-II Wireless headphones are ideal for traveling, offering high-fidelity sound, Bluetooth 5.0, and Adaptive Noise Cancellation (ANC). These over-ear headphones are lightweight with specially-shaped ear pads for hours of comfortable listening. The headphones come with a USB charging cable, a straight audio cable, and an in-flight adapter. The ear cups swivel to fold flat for easy storage in the soft zippered travel case.

Touch-sensitive Panel: On the outside of the right ear cup is a touch pad that allows you to control your music and phone calls with taps and swipes. You can control the volume up or down with vertical swipes. You can pause and play your music with a single tap, skip to the next or previous track with a forward or backward swipe, and fast forward or rewind a track with a forward or backward swipe and hold. Phone controls include accept/reject a call, put a call on hold, and switch between 2 active calls.

Adaptive Noise Cancellation: The PXC 550-IIs have a closed design, therefore offering a measure of passive isolation from ambient noise. In addition, the headphones have Active Noise Cancellation (ANC) to further reduce ambient noise. Four pick-up microphones are used to pick up ambient noise, where it is cancelled using an equal but opposite audio signal. The 3-way ANC switch on the right ear cup lets you select ANC On-User, ANC On-Max, and ANC off. ANC On-Max gives you the maximum amount of noise cancellation. ANC On-User lets you control the degree of noise cancelling using the Sennheiser Smart Control app on your smartphone. ANC can be used with Bluetooth on or off, as long as the headphone's battery still has power.

Transparent Hearing: The Transparent Hearing feature lets you temporarily turn off Adaptive Noise Cancellation (ANC) in order to carry on a face-to-face conversation or become more aware of your surroundings. A double-tap of the touch panel on the right earcup turns the Transparent Hearing feature on or off.

Bluetooth 5.0: The headphones feature Bluetooth version 5.0 for listening to your mobile devices wirelessly. They support the following profiles: Headset Profile (HSP), Handsfree Profile (HFP), and Advanced Audio Distribution Profile (A2DP). The Bluetooth range is approximately 33 feet (10 meters). The headphones feature aptX, aptX LL (low latency), AAC, and SBC audio codecs for high-fidelity wireless audio performance.

Sound Effect Modes: There are several Effect Modes to choose from to enhance the quality of the audio depending upon what you're listening to. You can choose from the following modes:

  • Movie: For more exciting entertainment (best for movies)
  • Club: For more room impression (best for music)
  • Speech: For higher intelligibility (best for audiobooks or podcasts)
  • Director: When using the Smart Control app, the Director Mode lets you create a custom sound effect using Boost, Spatial, Reverberation, and DLC adjustments.

Call Enhancement: The Call Enhancement feature utilizes Sennheiser's VoiceMax technology to make your phone calls clearer and more intelligible. You can activate and deactivate Call Enhancement on the headphones or through the Smart Control app.

Smart Control App: The Sennheiser Smart Control smartphone app allows you to optimize the performance of your PXC 550-II Wireless headphones. With Smart Control, you can personalize the sound of the headphones with different sound effect modes, adjust ANC, activate Call Enhancement for clearer calls, and activate Smart Pause (plays/pauses your music or accept/end calls by taking off or putting on the headphones). You can also view the remaining battery life of the headphones on your device. The app is compatible with iOS (10.3 or later) and Android (7.0 and up) devices.

Voice Assistants: The PXC 550-II provides access to your favorite Voice Assistant, including Alexa, Google Assistant, and Siri. The headphones have a dedicated Voice Assistant button that, with a single press, lets you make a call, start music playback, or ask a question with a vocal command.

Voice Prompts: The PXC 550-IIs feature voice prompts that provide audible confirmation of certain actions, such as pairing, power on/off, and effect modes, and volume maximum/minimum. When using the Smart Control app, you can change the voice prompts from English (default) to German, French, Spanish, Chinese (Mandarin), Japanese, Russian, or Korean.

Fold Control: For convenience, the headphones turn off when you fold the ear cups out flat for storage. Likewise, when you fold the ear cups in, as if you're ready to put them on, the power switches on. A click sound and the voice prompts are heard as you twist the ear cups to indicate the power has been turned on or off.

Battery: The Bluetooth and ANC features are powered by a 3.7-volt, 700 mAh Lithium-Polymer rechargeable battery. The battery charges in approximately 3 hours via USB (5V 345mA), using the supplied USB charging cable. A full charge supplies enough power for 20 hours of listening with Bluetooth and ANC on. With Bluetooth turned off, the battery will last an estimated 30 hours with ANC on, with or without audio cable. The battery level can be monitored through a 5-LED meter on the headphone.

USB Cable: In addition to charging the battery, the included USB cable can be used for listening to audio. When you plug the headphones into your computer using the USB cable, you can play music through the PXC 550-IIs. The touch panel controls and Smart Pause feature are active during USB playback.

Audio Cable: The included 56" audio cable lets you listen to your music in 2 modes: active and passive. When you plug the 2.5mm end of the audio cable into the headphones, Bluetooth is deactivated. The cable terminates into a slender right-angled 3.5mm plug that is compatible with most smartphone cases. An airline plug adapter is included for listening to in-flight entertainment while traveling.


  • Frequency Response: 17 Hz - 23 kHz
  • Transducers: 32mm, dynamic
  • Impedance: 490 Ω (active); 46 Ω (passive)
  • Sound Pressure Level (SPL): 110 dB (passive; 1 kHz, 1 Vrms)
  • Total Harmonic Distortion (THD): <0.5 % (1 kHz, 100 dB SPL)
  • Dimensions (Ear Cup): Width 2.976", Height 4.109", Depth 1.96"
  • Weight: 8.2 ounces

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Customer Q&A

2 questions already asked

I have a set of head phones Tunes 360 How can I get a manual?
[ dianne  Jul 07, 2021 ]
3 answers
They have an on line manual but you will have to look it up as links are not allowed in the answer field.
[ JAMES  Jul 07, 2021 ]
Contact the manufacturer online and ask them. If that doesn't work, I would do an internet search for the item. I am not familiar with them.
[ Christopher  Jul 07, 2021 ]
never attempted to locate a manual. Instructions that came with the head phones were sufficient for my needs.
[ RICHARD  Jul 07, 2021 ]
I need to listen to my TV with a soundbar as I also listen with the Sannheiss wireless headphones?
[ Michael  Jan 02, 2021 ]
2 answers
The sound-bar is wired connected to the TV, but you need to have a Bluetooth connection from your TV, otherwise through an aux port
[ Saturnino  Jan 02, 2021 ]
I am unsure. However, i listen to my computer and answer my iPhone using the headphones. They automatically switch
[ Christopher  Jan 02, 2021 ]

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