Sennheiser HD 4.20s vs. Sennheiser HD 4.40

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser HD 4.20s and Sennheiser HD 4.40. 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. Sennheiser HD 4.40 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 4.20s Sennheiser HD 4.40
Product Type Headphones - wired - 3.5 mm jack Headphones - Bluetooth - wireless - NFC
Colour Black -
SOUND QUALITY Sennheiser HD 4.20s Sennheiser HD 4.40
Headphones Form Factor Full size Full size
Ear Cups Type Closed Closed
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 4.0
Noise Isolating Yes - Sennheiser HD 4.20s are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Frequency Response - 18 - 22000 Hz
Total Harmonic Distortion (THD) - 0.5%
Sensitivity - 113 dB
Impedance - 18 Ohm
MICROPHONE Sennheiser HD 4.20s Sennheiser HD 4.40
Form Factor - Built-in
Type On-cable -
Microphone Operation Mode Omni-directional Omni-directional
Frequency Response - 100 - 10000 Hz
Sensitivity -44 dBV/Pascal -
Microphones Included - 2
REMOTE CONTROL Sennheiser HD 4.20s Sennheiser HD 4.40
Controls 1-button remote -
CABLE Sennheiser HD 4.20s Sennheiser HD 4.40
Cable Length 1.4 m -
Plated Connector Gold -
BATTERY AND CHARGING Sennheiser HD 4.20s Sennheiser HD 4.40
Battery Type - Headphone battery lithium polymer
CONNECTIONS Sennheiser HD 4.20s Sennheiser HD 4.40
Connector Type Headphones (mini-phone 3.5 mm 4-pole) -
OTHERS Sennheiser HD 4.20s Sennheiser HD 4.40
Service & Support Limited warranty - parts and labour - 2 years -
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