Sennheiser HD 400S vs. Belkin SoundForm Adapt

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser HD 400S and Belkin SoundForm Adapt. 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. Belkin SoundForm Adapt Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 400S Belkin SoundForm Adapt
Product Type Headphones - wired - 3.5 mm jack Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C
Weight 217 g -
Colour Black Black
Body Material - Recycled plastic
Earpad Material - Foam
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) - 10 m
SOUND QUALITY Sennheiser HD 400S Belkin SoundForm Adapt
Headphones Form Factor Full size Full size
Headphones Technology Dynamic -
Ear Cups Type Closed -
Adjustable Headband - Yes
Foldable Yes Yes Both headphones can be folded.
Connectivity Technology Wired Wireless, wired
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 5.2
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% -
Impedance 18 Ohm -
Max Sound Pressure 120 dB 98 dB
Diaphragm - 40 mm
Simultaneously Connectable Devices Qty (Multipoint) - 2 Belkin SoundForm Adapt have the ability to connect to multiple devices simultaneously.
MICROPHONE Sennheiser HD 400S Belkin SoundForm Adapt
Type On-cable Boom
Noise Cancelling - Yes Belkin SoundForm Adapt microphone can cancel out ambient noise.
Noise Cancelling Technology - Environmental Noise Cancellation (ENC)
Frequency Response 100 - 10000 Hz -
REMOTE CONTROL Sennheiser HD 400S Belkin SoundForm Adapt
Controls Answer/end, play/pause, next/previous track Volume, power on/off, pair mode, flip-to-mute
CABLE Sennheiser HD 400S Belkin SoundForm Adapt
Cable Type Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m USB-C to USB-C cable - detachable - 1 m
Audio cable - detachable - 1.2 m
Cable Length 1.4 m -
Detachable Cable Yes -
FEATURES Sennheiser HD 400S Belkin SoundForm Adapt
Features - Touch control, fast charge, Multipoint Pairing
BATTERY AND CHARGING Sennheiser HD 400S Belkin SoundForm Adapt
Battery Type - Headphone battery rechargeable
Battery Life - 65 hour(s)
Battery Life Details - Continuous playback: up to 65 hours
Charging Time - 2 hour(s)
CONNECTIONS Sennheiser HD 400S Belkin SoundForm Adapt
Connector Type Headphones (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm)
Headphones (USB Type-C)
OTHERS Sennheiser HD 400S Belkin SoundForm Adapt
Included Accessories - 3.5 mm audio cable, USB-C to USB-C cable
Compliant Standards - RoHS, USB-IF, REACH
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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