Sennheiser HD 4.30i vs. EPOS I SENNHEISER IMPACT MB 660 UC MS

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Sennheiser HD 4.30i and EPOS I SENNHEISER IMPACT MB 660 UC MS. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Sennheiser HD 4.30i vs. EPOS I SENNHEISER IMPACT MB 660 UC MS Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Product Type Headphones - wired - 3.5 mm jack Headset - Bluetooth - wireless - NFC
Weight - 227 g
Colour Black | White -
Recommended Use - Portable electronics, computer
Bluetooth Range (Operating Distance) - 25 m
SOUND QUALITY Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Headphones Form Factor Full size Full size
Headphones Technology - Dynamic
Ear Cups Type Closed Closed
Foldable - Yes EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded.
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 4.2
Bluetooth Profiles - Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP)
Active Noise Cancelling - Yes EPOS I SENNHEISER IMPACT MB 660 UC MS are equipped with active noice cancellation.
Active Noise Cancelling Technology - Adaptive Noise Control
Noise Isolating Yes - Sennheiser HD 4.30i are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Frequency Response 18 - 20000 Hz 17 - 23000 Hz EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than Sennheiser HD 4.30i.
Total Harmonic Distortion (THD) 0.5% 0.5% Both headphones have the same total harmonic distortion.
Sensitivity 120 dB/Vrms 118 dB Sennheiser HD 4.30i have higher sensitivity than EPOS I SENNHEISER IMPACT MB 660 UC MS.
Impedance 18 Ohm 46 Ohm
Diaphragm 32 mm -
In-Cord Volume Control Yes -
MICROPHONE Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Type On-cable -
Microphone Operation Mode Omni-directional -
Frequency Response - 150 - 6800 Hz
Sensitivity -44 dBV/Pascal -
REMOTE CONTROL Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Controls 3-button remote -
CABLE Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Cable Type Headphones cable - detachable - 1.4 m Audio cable
Micro-USB cable
Cable Length 1.4 m -
Detachable Cable Yes -
Plated Connector Gold -
BATTERY AND CHARGING Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Battery Type - Headset battery rechargeable
Battery Life - 30 hours
Standby Time - 360 hours
Charging Time - 3 hours
WIRELESS LINK Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Transmission Range - 25 m
CONNECTIONS Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Connector Type Headphones (mini-phone 3.5 mm 4-pole) -
OTHERS Sennheiser HD 4.30i EPOS I SENNHEISER IMPACT MB 660 UC MS
Included Accessories Soft bag, audio cable (1.4 m) Carrying case, Bluetooth adapter, airplane adapter
Service & Support Limited warranty - parts and labour - 2 years Limited warranty - 2 years
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