EPOS I SENNHEISER IMPACT MB 660 UC MS vs. JVC HA S31BT

Headphones Comparison, Reviews and Tests

Detailed comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and JVC HA S31BT. 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

EPOS I SENNHEISER IMPACT MB 660 UC MS vs. JVC HA S31BT Comparison Chart
DESIGN AND DIMENSIONS EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Product Type Headset - Bluetooth - wireless - NFC Headphones - Bluetooth - wireless
Weight 227 g 158 g JVC HA S31BT are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones.
Recommended Use Portable electronics, computer Portable electronics
Bluetooth Range (Operating Distance) 25 m 10 m EPOS I SENNHEISER IMPACT MB 660 UC MS have a greater operating distance than JVC HA S31BT.
SOUND QUALITY EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Headphones Form Factor Full size On-ear
Headphones Technology Dynamic -
Ear Cups Type Closed -
Foldable Yes Yes Both headphones can be folded.
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.2 Bluetooth 4.1 EPOS I SENNHEISER IMPACT MB 660 UC MS have a more advanced version of Bluetooth than JVC HA S31BT.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec - SBC
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 -
Sound Output Mode Stereo -
Sound Effects - Dynamic Bass Boost (DBB)
Frequency Response 17 - 23000 Hz 20 - 20000 Hz EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than JVC HA S31BT.
Total Harmonic Distortion (THD) 0.5% -
Sensitivity 118 dB -
Impedance 46 Ohm 32 Ohm
Diaphragm - 30.7 mm
Magnet Material - Ferrite
MICROPHONE EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Form Factor - Built-in
Frequency Response 150 - 6800 Hz -
REMOTE CONTROL EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Controls - 4-button remote
CABLE EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Cable Type Audio cable
Micro-USB cable
USB charge cable - detachable
BATTERY AND CHARGING EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Battery Type Headset battery rechargeable Headphone battery rechargeable
Battery Life 30 hours 17 hour(s) EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the JVC HA S31BT.
Standby Time 360 hours -
Charging Time 3 hours 3 hour(s) The charging of both headphones last the same time.
WIRELESS LINK EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Transmission Range 25 m -
CONNECTIONS EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Connector Type - USB (power only) (micro-USB)
OTHERS EPOS I SENNHEISER IMPACT MB 660 UC MS JVC HA S31BT
Included Accessories Carrying case, Bluetooth adapter, airplane adapter -
Service & Support Limited warranty - 2 years -
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