Sennheiser HD 400S vs. EPOS I SENNHEISER C20

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser HD 400S and EPOS I SENNHEISER C20. 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 400S vs. EPOS I SENNHEISER C20 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 400S EPOS I SENNHEISER C20
Product Type Headphones - wired - 3.5 mm jack Headset - Bluetooth - wireless - USB-A via Bluetooth adapter
Series - C-series
Height - 20 cm
Width - 16.5 cm
Depth - 5.8 cm
Weight 217 g 200 g EPOS I SENNHEISER C20 are lighter than Sennheiser HD 400S headphones.
Colour Black Black
Recommended Use Portable electronics -
Bluetooth Range (Operating Distance) - 25 m
SOUND QUALITY Sennheiser HD 400S EPOS I SENNHEISER C20
Headphones Form Factor Full size On-ear
Headphones Technology Dynamic Dynamic
Ear Cups Type Closed -
Foldable Yes - Sennheiser HD 400S can be folded.
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Noise Isolating Yes - Sennheiser HD 400S are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Frequency Response 18 - 20000 Hz -
Total Harmonic Distortion (THD) 0.5% 3% Sennheiser HD 400S have lower total harmonic distortion than Sennheiser HD 400S.
Impedance 18 Ohm -
Max Sound Pressure 120 dB -
Features - EPOS BrainAdapt Technology
MICROPHONE Sennheiser HD 400S EPOS I SENNHEISER C20
Type On-cable Boom
Frequency Response 100 - 10000 Hz -
REMOTE CONTROL Sennheiser HD 400S EPOS I SENNHEISER C20
Controls Answer/end, play/pause, next/previous track -
CABLE Sennheiser HD 400S EPOS I SENNHEISER C20
Cable Type Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m -
Cable Length 1.4 m -
Detachable Cable Yes -
BATTERY AND CHARGING Sennheiser HD 400S EPOS I SENNHEISER C20
Battery Type - Headset battery rechargeable
Standby Time - 300 hours
Charging Time - 2 hour(s)
CONNECTIONS Sennheiser HD 400S EPOS I SENNHEISER C20
Connector Type Headphones (mini-phone stereo 3.5 mm) -
OTHERS Sennheiser HD 400S EPOS I SENNHEISER C20
Included Accessories - Carrying case, charging cable, BTD 800 USB dongle
Service & Support Limited warranty - 2 years Limited warranty - 2 years
Other projects: