Sennheiser PXC 550-II vs. Sennheiser HD 350BT

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Sennheiser PXC 550-II and Sennheiser HD 350BT. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Sennheiser PXC 550-II vs. Sennheiser HD 350BT Comparison Chart
DESIGN AND DIMENSIONS Sennheiser PXC 550-II Sennheiser HD 350BT
Product Type Headphones - Bluetooth - wireless Headphones - Bluetooth - wireless
Height 17.4 cm -
Width 13.6 cm -
Depth 6.3 cm -
Weight 227 g 238 g Sennheiser PXC 550-II are lighter than Sennheiser PXC 550-II headphones.
Colour - Black | White
Recommended Use Portable electronics -
SOUND QUALITY Sennheiser PXC 550-II Sennheiser HD 350BT
Headphones Form Factor Full size Full size
Headphones Technology Dynamic Dynamic
Ear Cups Type - Closed
Adjustable Headband Yes -
Foldable Yes Yes Both headphones can be folded.
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.0 Bluetooth 5.0 Both headphones have the same Bluetooth version.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec SBC, AAC, aptX, apt-X LL SBC, AAC, aptX, apt-X LL
Active Noise Cancelling Yes - Sennheiser PXC 550-II are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Frequency Response 17 - 23000 Hz 18 - 22000 Hz Sennheiser PXC 550-II offer a larger frequency range than Sennheiser HD 350BT.
Total Harmonic Distortion (THD) <0.5% <0.3% Sennheiser HD 350BT have lower total harmonic distortion than Sennheiser PXC 550-II.
Sensitivity 110 dB -
Impedance 490 Ohm -
Max Sound Pressure - 108 dB
Diaphragm 32 mm -
MICROPHONE Sennheiser PXC 550-II Sennheiser HD 350BT
Form Factor Built-in Built-in
Microphone Operation Mode - Beamforming
Frequency Response 50 - 10000 Hz 80 - 6000 Hz Sennheiser PXC 550-II offer a larger microphone frequency range than Sennheiser HD 350BT.
Sensitivity -34 dBV/Pascal -
Microphones Included 3 2 Sennheiser PXC 550-II have a built-in microphone.
REMOTE CONTROL Sennheiser PXC 550-II Sennheiser HD 350BT
Controls Mute, volume, answer/end, hold, play/pause, next/previous track -
CABLE Sennheiser PXC 550-II Sennheiser HD 350BT
Cable Type USB charge cable
Audio cable
USB-C charge cable - detachable
Detachable Cable Yes -
FEATURES Sennheiser PXC 550-II Sennheiser HD 350BT
Internet of Things (IoT) Compatible Yes -
Intelligent Assistant Siri, Google Assistant, Alexa -
Additional Functions Touch panel -
BATTERY AND CHARGING Sennheiser PXC 550-II Sennheiser HD 350BT
Battery Type Headphone battery rechargeable - lithium Headphone battery rechargeable - lithium polymer
Battery Capacity - 300 mAh
Battery Life 30 hour(s) 30 hours Both headphones last the same amount of time on a single charge.
Battery Life Details Continuous playback (noise cancelling ON / cable connection): up to 30 hours
Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours
-
Charging Time 3 hour(s) 2 hours Sennheiser HD 350BT recharge faster than Sennheiser PXC 550-II.
CONNECTIONS Sennheiser PXC 550-II Sennheiser HD 350BT
Connector Type Headphones (mini-phone stereo 3.5 mm)
USB (micro-USB)
-
OTHERS Sennheiser PXC 550-II Sennheiser HD 350BT
Included Accessories Carrying case, airplane adapter -
Compliant Standards MFI -
Service & Support Limited warranty - 2 years Limited warranty - 2 years
Other projects: