August EP650 vs. Sennheiser PXC 550-II

Headphones Comparison, Reviews and Tests

In depth comparison and review of August EP650 and Sennheiser PXC 550-II. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.

Headphones Specifications Comparison

August EP650 vs. Sennheiser PXC 550-II Comparison Chart
DESIGN AND DIMENSIONS August EP650 Sennheiser PXC 550-II
Product Type Headphones - Bluetooth - wireless - NFC - 3.5 mm jack Headphones - Bluetooth - wireless
Height 17.66 cm 17.4 cm
Width 18.86 cm 13.6 cm
Depth 7.1 cm 6.3 cm
Weight 235 g 227 g Sennheiser PXC 550-II are lighter than August EP650 headphones.
Colour Gold -
Recommended Use Portable electronics, computer Portable electronics
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY August EP650 Sennheiser PXC 550-II
Headphones Form Factor Full size Full size
Headphones Technology - Dynamic
Adjustable Headband - Yes
Foldable Yes Yes Both headphones can be folded.
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.1 Bluetooth 5.0 Sennheiser PXC 550-II have a more advanced version of Bluetooth than August EP650.
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
Active Noise Cancelling - Yes Sennheiser PXC 550-II are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Frequency Response 60 - 20000 Hz 17 - 23000 Hz Sennheiser PXC 550-II offer a larger frequency range than August EP650.
Total Harmonic Distortion (THD) 1% <0.5% Sennheiser PXC 550-II have lower total harmonic distortion than August EP650.
Sensitivity - 110 dB
Impedance - 490 Ohm
Diaphragm 50 mm 32 mm August EP650 have a thicker diaphragm than Sennheiser PXC 550-II.
Signal-To-Noise Ratio 85 dB -
Features Bluetooth aptX technology -
MICROPHONE August EP650 Sennheiser PXC 550-II
Form Factor Built-in Built-in
Frequency Response - 50 - 10000 Hz
Sensitivity - -34 dBV/Pascal
Microphones Included - 3
REMOTE CONTROL August EP650 Sennheiser PXC 550-II
Controls - Mute, volume, answer/end, hold, play/pause, next/previous track
CABLE August EP650 Sennheiser PXC 550-II
Cable Type Headphones cable - detachable USB charge cable
Audio cable
Detachable Cable - Yes
FEATURES August EP650 Sennheiser PXC 550-II
Internet of Things (IoT) Compatible - Yes
Intelligent Assistant - Siri, Google Assistant, Alexa
Additional Functions - Touch panel
BATTERY AND CHARGING August EP650 Sennheiser PXC 550-II
Battery Type Headphone battery rechargeable - lithium polymer Headphone battery rechargeable - lithium
Battery Capacity 220 mAh -
Battery Life 10 hour(s) 30 hour(s) Sennheiser PXC 550-II lasts longer on a single charge than the August EP650.
Battery Life Details - Continuous playback (noise cancelling ON / cable connection): up to 30 hours
Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours
Standby Time 720 hours -
Charging Time 2 hour(s) 3 hour(s) August EP650 recharge faster than August EP650.
CONNECTIONS August EP650 Sennheiser PXC 550-II
Connector Type Headphones (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm)
USB (micro-USB)
OTHERS August EP650 Sennheiser PXC 550-II
Included Accessories USB charging cable Carrying case, airplane adapter
Compliant Standards - MFI
Service & Support Limited warranty - 1 year Limited warranty - 2 years
Other projects: