Sennheiser PXC 550-II vs JBL Live 670NC – Full Comparison & Verdict (2026)

Smart Pause Autopilot. First Class Call Quality. The Sound of Smart Travel. Your Personal Travel Assistant. Long Lasting Comfort, One Charge Travel One touch access to voice assistant: with the touch of a single button you have access to your AI helper: Siri, hey google and Alexa. Smart pause (activated via the app) auto on and off: swivel the ear cups to turn off, sensors detect when you wear the headphone and play or pause music. Touch control: a touch pad on the right ear cup provides vol, play, stop, pause and track skipping control, touching the ear cup allows you to take an incoming call. Exceptional battery performance up to 30 hours: the pxc 550-ii wireless delivers up to 30 hours of battery life, you can travel from London to Hong Kong and back with just one charge. Superior sound quality and active noise cancellation: the pxc 550-ii delivers Sennheiser .legendary sound quality, active noise cancellation reduces the ambient noise around you and can be adjusted.

JBL Signature Sound and surround sound. Up To 50 hours of Battery Life with ANC ON. Up To 65 hours of Battery Life with ANC OFF. Auto Play & Pause : Take the headphones off, the music stops. Put it back on, the music starts again. It genuinely couldn't be simpler. JBL Signature Sound & Surround Sound : Along with powerful JBL Signature Sound, the 40mm drivers offer immersive JBL Spatial Sound that turns any stereo content from any device into virtual surround sound. Up To 65 Hours* Of Battery Life & Speed Charge : Listen wirelessly for up to 50 hours and recharge the battery in as little as 2 hours with the convenient Type-C USB cable. In a hurry? A quick 5 min charge gives you 4 hours of music. *BT on/ANC off True Adaptive Noise Cancelling With Smart Ambient : With four noise-sensing mics, True Adaptive Noise Cancelling means zero distractions whether youâ€™re focusing on studying or getting lost in the music. Or turn on Smart Ambient to hear your surroundings. Bluetooth 5.3 With LE Audio Supported* : Wirelessly stream high-quality sound even at lower bit rates with Bluetooth 5.3. Audio Mode gives the best available sound while Video Mode ensures the sound and visuals are always in sync. *Available via OTA update. Personi-Fi 2.0 : The My JBL Headphones app personalizes your sound experience just for you. Just take the quick and easy hearing test and it automatically sets up a custom sound profile thatâ€™s ready to go every time you put on your headband. Thatâ€™s it.

Sennheiser PXC 550-II and JBL Live 670NC offer different noise cancellation capabilities (Active / Passive vs True Adaptive Noise Cancelling), which can impact how effectively they block external noise. Impedance levels vary (490 ohm vs 32 Ohms), which can affect compatibility and audio output when used with different devices. The frequency response differs (17 Hz - 23000 Hz vs 20 Hz - 20KHz, AUX Mode : 20 Hz ~ 40KHz), which can influence how well the headphones reproduce lows, mids, and highs. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. There is a noticeable difference in weight (227 gm vs 219 GM), which may affect comfort during extended use. The driver size differs between the two (32 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. Sennheiser PXC 550-II and JBL Live 670NC are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Sennheiser PXC 550-II uses Bluetooth 5.0 while JBL Live 670NC supports Bluetooth 5.3, which can impact connectivity stability and efficiency. Battery life varies between the two (30 Hours vs 65 Hours), which affects how long you can use them on a single charge.

Verdict: Choosing between Sennheiser PXC 550-II and JBL Live 670NC depends on whether you value better sound, longer battery life, or enhanced features.

Top Differences

Battery Life: 30 Hours vs 65 Hours
Noise Cancelling: Active / Passive vs True Adaptive Noise Cancelling
Driver Size: 32 mm vs 40 mm
Bluetooth: 5.0 vs 5.3
Weight: 227 gm vs 219 GM

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Top Differences