Sennheiser PXC 550-II Wireless Review

  • -Sennheiser-PXC-550-II-Wireless
  • PXC-550-II-travel-headphones
  • Sennheiser-noise-canceling-headphones
  • Sennheiser-PXC-550-II

Quick Points

  • Fit: Over Ear
  • Enclosure: Closed Back
  • Connectivity: Wireless
  • Best For: iOS & Android
  • Noise Canceling: Yes
  • Microphone: Yes


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What Comes Inside The Box

  • Sennheiser PXC 550-II Headphones
  • Audio Cable
  • Charging Cable
  • Carrying Case
  • In-Flight Adapter
  • User Manual
  • Safety Guide, Warranty Card

Our Score

  • 7.7

Reasons Why You Should Buy Them

  • The compact design of the Sennheiser PXC 550-II Wireless does not take up much space and is ideal for travel compared to large supra-ear headphones
  • Excellent Active Noise Cancellation with three different levels to effectively filter out most external sounds
  • Well-crafted premium-looking over-ears with great fit and finish. Sleek exterior, soft-feel plastic, metal headband and synthetic leather-clad ear pads feel durable and high-quality
  • On-board microphone and touch-sensitive controls to answer calls, adjust volume, music play/pause, skip tracks, power on/off, Bluetooth pairing, turn Transparency hearing on/off, adjust ANC levels and connect with voice assistants
  • 32mm dynamic drivers of Sennheiser PXC 550 ii over ear wireless headphone offer a neutral, well-balanced sound profile with precise bass complemented by a powerful mid-range that's easy to hear for hours without fatigue
  • The performance of the microphones is impressive in a quiet room, they sound loud and voices don't sound too distant, but not in noisy environments like a subway station or a busy street
  • “Transparent Hearing” function lets you keep an ear open for external announcements without taking your headphones off
  • Dedicated Sennheiser Smart Control App to select sound modes, make EQ adjustments, firmware updates, rest the headphones, adjust Transparent Hearing settings, adjust ANC levels and select voice assistant (Google Assistant, Siri or Alexa) for a better listening experience
  • Up to 20 hours of battery life when noise canceling is activated or up to 30 hours in a disconnected state
  • Built-in proximity sensor pauses music when you remove the headphones and even goes into standby mode after 5 minutes without a Bluetooth connection
  • If the battery runs out, Sennheiser PXC550 ii wireless noise cancelling headphones can still be used in passive mode with the supplied audio cable
  • Support superior quality codec such as aptX, aptX Low Latency, AAC and SBC for better audio quality and Bluetooth 5.0 for multi device pairing

Reasons Why You Should Avoid Them

  • When it comes to higher frequency sounds, the PXC 550 ii wireless headphones sound a bit harsh due to uneven treble performance that hurts the overall audio reproduction
  • Bass lacks a punch as compared to other top-level models; These Sennheiser headphones are not for those who like a bit of a boom
  • The ear cups are smaller in size and the headband does not extend too far, which may not be very comfortable for users with large heads
  • The Sennheiser PXC 550-II headphones have the same conservative-looking design as the PXC 550, except for Active Noise Cancellation
  • The micro USB charging cable instead of a USB Type-C means an additional cable to carry when traveling
  • A 2.5mm to 3.5mm audio cable instead of a standard 3.5mm to 3.5mm audio cable means finding a replacement isn't that easy
  • Included soft carrying case only protects against scratches, but not falls and water damage
  • Just black color, no other option that matches your style and preferences
  • At $350, these are expensive noise-cancelling headphones from Sennheiser. The Sony WH-1000XM3 still offers better sound quality, while the Bose QC 35 ii offers better Active Noise Cancellation


  • PXC 550-II Wireless delivers the same legendary Sennheiser audio quality, similar to the Momentum Wireless range, but in a compact form factor
  • Active noise cancellation reduces the ambient noise around you and can be adjusted to your preference
  • The Sennheiser PXC 550 ii wireless headphone offers up to 20 hours of battery life with ANC active and up to 30 hours when left off
  • At the touch of a button, you have access to Google Assistant, Siri and Alexa
  • Touchpad control on the right ear offers volume control, music play/pause, skip tracks, turn transparent mode on/off and answer incoming calls
  • Smart Pause detects when you take off your headphones and pause the music
  • The Sennheiser Smart Control app to select audio modes, make EQ adjustments, adjust transparent hearing settings, and select ANC levels to customize the sound experience
  • An array of bespoke triple microphones provides unparalleled voice clarity, so calls and voice commands are never lost

The Specs That Matter


  • Headphone Fit : Over Ear
  • Enclosure : Closed Back
  • Size In/Cm : 6.85 in (17.4 cm)
  • Weight Gm/Oz : 227 g (8 oz)
  • Foldable Design : Yes


  • Connectivity : Bluetooth
  • Connect Multiple Devices : Yes
  • On Device Controls : Power, Pair, Call, Volume, Mute, Play/Pause, Skip Tracks, ANC On/Off, Bluetooth On/Off, Transparency Hearing On/Off, Voice Assistant
  • In Line Mic & Controls : No
  • Voice Assistant : Google Assistant + Siri + Alexa
  • Companion App : Sennheiser Smart Control App


  • Noise Cancelation Type : Adaptive Noise Canceling
  • Sound Isolation : Yes
  • Echo Reduction : No
  • Sound Mode : Stereo
  • Volume limiting : No


  • Water/Sweat Resistant : No
  • Waterproof : No
  • Heart Rate Monitor : No
  • Step Tracking : No


  • Battery Life : Up To 20 Hours
  • Battery Life With ANC Off : Up To 30 Hours
  • Auto Pause & Play : Yes
  • Auto Shut-Off : Yes
  • Quick Charge : Charge 10 Minutes = Up To 1.5 Hours Playback

Technical Data

  • Driver Size : 32 mm
  • Driver Unit : Dynamic
  • Magnet : Neodymium
  • Impedance (OHM) : 46 Ohm
  • Frequency Response : 17 Hz - 23000 Hz
  • Sensitivity (dB/mW) : 110 dB/mW
  • Total Harmonic Distortion @ 90 dB : Less than 0.4%
  • Total Harmonic Distortion @ 100 dB : Less than 0.2%
  • Supported Codecs : aptX™, aptX™ LL, AAC, SBC


  • Bluetooth Version : 5.0
  • Bluetooth Profiles : A2DP, AVRCP, HSP, HFP, DIP
  • Radio Frequency : 2.4 GHz
  • Wireless Range : Up To 10 m (33 ft)
  • NFC : No

Noise Canceling

  • Noise Canceling Adjustment : Automatic
  • Noise Canceling ON/Off Switch : Yes
  • Atmospheric Pressure Optimizing : No
  • Ambient Sound Mode : Yes

Audio Cable

  • Audio Cable Length : 1.4 m
  • Detachable Audio Cable : Yes


  • Microphone Feature : On-board 3 X MEMS Beamforming Microphones
  • Microphone Frequency Response : 50 Hz - 10,000 Hz


  • Battery : Rechargeable Lithium-Ion
  • Charge Time : 3 Hours
  • Charging Cable : Micro-USB Cable
  • Battery Indicator : Yes
  • Operating & Storage Temperature : 32°F - 131°F


  • Connection : Wireless + Wired
  • Audio : Yes
  • Microphone : Yes
  • Controls : Yes


  • Connection : Wireless + Wired
  • Audio : Yes
  • Microphone : Yes
  • Controls : Yes


  • Connection : Wireless + Wired
  • Audio : Yes
  • Microphone : Yes
  • Controls : Limited


  • Connection : Wired
  • Audio : Yes
  • Microphone : No
  • Controls : No


  • Connection : Wired
  • Audio : Yes
  • Microphone : No
  • Controls : No

TV & Home Theater

  • Connection : Wired
  • Audio : Yes
  • Microphone : No
  • Controls : No

User Manuals

Service & Support Info

  • Manufacturer's Warranty on Parts : 2 Years Limited Warranty
  • Manufacturer's Warranty on Labour : 2 Years Limited Warranty
  • Helpline : 1 (877) 736-6434
  • Contact : Click Here


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