EPOS I SENNHEISER IMPACT MB 660 UC MS vs. V7 HU521-2EP

Headphones Comparison, Reviews and Tests

Detailed comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and V7 HU521-2EP. 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. V7 HU521-2EP Comparison Chart
DESIGN AND DIMENSIONS EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Product Type Headset - Bluetooth - wireless - NFC Headset - wired - USB
Height - 18.8 cm
Width - 6.8 cm
Depth - 16.5 cm
Weight 227 g 172.5 g V7 HU521-2EP are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones.
Colour - Black
Recommended Use Portable electronics, computer Computer
Bluetooth Range (Operating Distance) 25 m -
SOUND QUALITY EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Headphones Form Factor Full size On-ear
Headphones Technology Dynamic -
Ear Cups Type Closed -
Adjustable Headband - Yes
Foldable Yes - EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded.
Connectivity Technology Wireless Wired
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 -
Sound Output Mode Stereo Stereo
Frequency Response 17 - 23000 Hz 20 - 20000 Hz EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than V7 HU521-2EP.
Total Harmonic Distortion (THD) 0.5% -
Sensitivity 118 dB 110 dB EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than V7 HU521-2EP.
Impedance 46 Ohm 32 Ohm
Diaphragm - 40 mm
In-Cord Volume Control - Yes
MICROPHONE EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Type - Boom
Frequency Response 150 - 6800 Hz -
Audio Input Details - Omni-directional - 300°
Sensitivity - -44 dB
REMOTE CONTROL EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Controls - Mute, volume
CABLE EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Cable Type Audio cable
Micro-USB cable
Headset cable - 1.8 m
Cable Length - 1.8 m
BATTERY AND CHARGING EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Battery Type Headset battery rechargeable -
Battery Life 30 hours -
Standby Time 360 hours -
Charging Time 3 hours -
WIRELESS LINK EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Transmission Range 25 m -
CONNECTIONS EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Connector Type - USB (4 PIN USB Type A)
OTHERS EPOS I SENNHEISER IMPACT MB 660 UC MS V7 HU521-2EP
Included Accessories Carrying case, Bluetooth adapter, airplane adapter -
Compliant Standards - FCC, RoHS
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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