Sennheiser PXC 550-II Wireless ANC Headphones - Features and Info

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Sennheiser PXC 550-II Wireless ANC Headphones
Features and Info
Testing the PXC 550-II

Features & Specifications:

The information below has been pulled from the manufacturers website and posted here for your convenience. For all the updated details and downloads, please visit Sennheiser.

Created for the frequent traveler, the PXC 550-II Wireless from Sennheiser upgrades every journey with unrivalled sound quality and wireless freedom. Travel the world on a single charge with 30 hours of battery life: Listen to music, take calls, interact with AI assistants, or simply journey in tranquility without distractions.

Leave background noise behind
Adaptive Noise Cancellation automatically adjusts to your surroundings to suppress unwanted background noise, for your ever-changing environments.
Your personal travel assistant
Take control via convenient, one touch access with the Voice Assistant Button that connects to virtual assistants such as Google Assistant, Alexa and Siri. With the triple microphone array offering unrivalled speech clarity when giving voice commands.
Long lasting comfort, one charge travel
Whatever your destination, the exceptional 30-hour battery life of the next generation PXC 550–II Wireless is powerful enough to last your entire journey without the need to recharge. And with the advanced ergonomic design and rotating earcups, the PXC 550-II is effortlessly portable with a perfect fit for your ear.
Smart pause autopilot
The Smart Pause feature reacts to your movement with seamless and practical automatic switch-off. The headset automatically turns on and connects via Bluetooth as it’s unfolded so you can listen exactly where you left off.
The sound of smart travel
The Sennheiser Smart Control App, with selectable sound modes, allows you to tailor the sound experience to your travel playlist whether that be music, news, podcasts, or film.
First class call quality
A bespoke triple microphone array makes it easy to stay connected while on the move. ANC detects and removes background noise providing unrivalled speech clarity, so your calls and voice commands are never lost.


Technical Details:

Speaker Type: Dynamic, 32mm
Frequency Range Speaker: 17-23,000 Hz (-10db)
Ear Coupling: Around-ear headphones
Impedance: Active – 490 ohm / Passive – 46 ohm
Sensitivity: 110dbSPL (passive 1kHz/1V RMS)
THD + N: <0.5% @ 100dBSPL / 1kHz
Frequency Range Microphone: 50-10,000 Hz
Bluetooth Version: Bluetooth 5.0 compliant
Transmission Frequency: 2400 MHz-2483.5 MHz / GFSK, Pi/4DQPSK, 8DQPSK
Supported Profiles: A2DP, AVRCP, HSP, HFP
Audio codec: SBC, aptX™, aptX™ Low Latency, AAC
USB Standard: micro-USB
Power supply: 5.0 V DC, 330mA
Battery Specification: Built-In Lithium rechargeable battery
Charging Time: 3 hrs
Battery Time: 20 hrs (ANC + AD2P) 30 hrs (ANC + wired)


On the last page, we'll dive into testing and then wrap things up.