Sennheiser HD 4.30i vs. Kokoon Relax

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser HD 4.30i and Kokoon Relax. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.

Headphones Specifications Comparison

Sennheiser HD 4.30i vs. Kokoon Relax Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 4.30i Kokoon Relax
Product Type Headphones - wired - 3.5 mm jack Headphones - Bluetooth - wireless, wired - 3.5 mm jack
Height - 17.9 cm
Width - 15.9 cm
Depth - 9.4 cm
Weight - 350 g
Colour Black | White Black
Earpad Material - Silicone, fibre fabrics
SOUND QUALITY Sennheiser HD 4.30i Kokoon Relax
Headphones Form Factor Full size Full size
Ear Cups Type Closed -
Connectivity Technology Wired Wireless, wired
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 4.0
Active Noise Cancelling - Yes Kokoon Relax are equipped with active noice cancellation.
Noise Isolating Yes Yes Both headphones are equipped with noise isolation.
Sound Output Mode Stereo Stereo
Frequency Response 18 - 20000 Hz -
Total Harmonic Distortion (THD) 0.5% -
Sensitivity 120 dB/Vrms -
Impedance 18 Ohm 32 Ohm
Diaphragm 32 mm 40 mm Kokoon Relax have a thicker diaphragm than Sennheiser HD 4.30i.
Features - Active White Noise
In-Cord Volume Control Yes -
MICROPHONE Sennheiser HD 4.30i Kokoon Relax
Type On-cable On-cable
Microphone Operation Mode Omni-directional -
Sensitivity -44 dBV/Pascal -
REMOTE CONTROL Sennheiser HD 4.30i Kokoon Relax
Controls 3-button remote Power on/off
CABLE Sennheiser HD 4.30i Kokoon Relax
Cable Type Headphones cable - detachable - 1.4 m Micro-USB charge cable - detachable
Headphones cable - detachable - with remote control and mic
Cable Length 1.4 m -
Detachable Cable Yes Yes
Plated Connector Gold -
FEATURES Sennheiser HD 4.30i Kokoon Relax
Sensors - Accelerometer, EEG sensor
BATTERY AND CHARGING Sennheiser HD 4.30i Kokoon Relax
Battery Type - Headphone battery rechargeable - Lithium Ion
Battery Capacity - 500 mAh
Battery Life - 13 hour(s)
CONNECTIONS Sennheiser HD 4.30i Kokoon Relax
Connector Type Headphones (mini-phone 3.5 mm 4-pole) Headphones (mini-phone stereo 3.5 mm 4-pole)
OTHERS Sennheiser HD 4.30i Kokoon Relax
Included Accessories Soft bag, audio cable (1.4 m) Carrying case, micro-USB charging cable, eye mask
Service & Support Limited warranty - parts and labour - 2 years Limited warranty - 2 years
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