Sennheiser HD 4.20s vs. August EP650

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser HD 4.20s and August EP650. 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

Sennheiser HD 4.20s vs. August EP650 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 4.20s August EP650
Product Type Headphones - wired - 3.5 mm jack Headphones - Bluetooth - wireless - NFC - 3.5 mm jack
Height - 17.66 cm
Width - 18.86 cm
Depth - 7.1 cm
Weight - 235 g
Colour Black Gold
Recommended Use - Portable electronics, computer
Bluetooth Range (Operating Distance) - 10 m
SOUND QUALITY Sennheiser HD 4.20s August EP650
Headphones Form Factor Full size Full size
Ear Cups Type Closed -
Foldable - Yes August EP650 can be folded.
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 4.1
Bluetooth Profiles - Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Noise Isolating Yes - Sennheiser HD 4.20s are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Frequency Response - 60 - 20000 Hz
Total Harmonic Distortion (THD) - 1%
Diaphragm - 50 mm
Signal-To-Noise Ratio - 85 dB
Features - Bluetooth aptX technology
MICROPHONE Sennheiser HD 4.20s August EP650
Form Factor - Built-in
Type On-cable -
Microphone Operation Mode Omni-directional -
Sensitivity -44 dBV/Pascal -
REMOTE CONTROL Sennheiser HD 4.20s August EP650
Controls 1-button remote -
CABLE Sennheiser HD 4.20s August EP650
Cable Type - Headphones cable - detachable
Cable Length 1.4 m -
Plated Connector Gold -
BATTERY AND CHARGING Sennheiser HD 4.20s August EP650
Battery Type - Headphone battery rechargeable - lithium polymer
Battery Capacity - 220 mAh
Battery Life - 10 hour(s)
Standby Time - 720 hours
Charging Time - 2 hour(s)
CONNECTIONS Sennheiser HD 4.20s August EP650
Connector Type Headphones (mini-phone 3.5 mm 4-pole) Headphones (mini-phone stereo 3.5 mm)
OTHERS Sennheiser HD 4.20s August EP650
Included Accessories - USB charging cable
Service & Support Limited warranty - parts and labour - 2 years Limited warranty - 1 year
Other projects: