EPOS I SENNHEISER IMPACT MB 660 UC MS vs. Turtle Beach Ear Force Stealth 420X+

Headphones Comparison, Reviews and Tests

In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Turtle Beach Ear Force Stealth 420X+. 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

EPOS I SENNHEISER IMPACT MB 660 UC MS vs. Turtle Beach Ear Force Stealth 420X+ Comparison Chart
DESIGN AND DIMENSIONS EPOS I SENNHEISER IMPACT MB 660 UC MS Turtle Beach Ear Force Stealth 420X+
Product Type Headset - Bluetooth - wireless - NFC Headset - 2.4 GHz - wireless
Weight 227 g -
Earpad Material - Synthetic leather
Recommended Use Portable electronics, computer Game console, portable electronics
Bluetooth Range (Operating Distance) 25 m 10 m EPOS I SENNHEISER IMPACT MB 660 UC MS have a greater operating distance than Turtle Beach Ear Force Stealth 420X+.
SOUND QUALITY EPOS I SENNHEISER IMPACT MB 660 UC MS Turtle Beach Ear Force Stealth 420X+
Headphones Form Factor Full size Full size
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 Wireless
Wireless Technology Bluetooth 2.4 GHz radio frequency
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 Turtle Beach Ear Force Stealth 420X+ are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Sound Effects - Bass Boost, Superhuman Hearing
Frequency Response 17 - 23000 Hz 20 - 20000 Hz EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than Turtle Beach Ear Force Stealth 420X+.
Total Harmonic Distortion (THD) 0.5% -
Sensitivity 118 dB -
Impedance 46 Ohm -
Diaphragm - 50 mm
Magnet Material - Neodymium magnet
MICROPHONE EPOS I SENNHEISER IMPACT MB 660 UC MS Turtle Beach Ear Force Stealth 420X+
Form Factor - Headset microphone
Type - Boom
Microphone Operation Mode - Omni-directional
Frequency Response 150 - 6800 Hz -
Audio Input Details - Omni-directional
CABLE EPOS I SENNHEISER IMPACT MB 660 UC MS Turtle Beach Ear Force Stealth 420X+
Cable Type Audio cable
Micro-USB cable
Micro-USB charge cable - detachable
Audio cable - detachable
Detachable Cable - Yes
FEATURES EPOS I SENNHEISER IMPACT MB 660 UC MS Turtle Beach Ear Force Stealth 420X+
Features - 100% wireless
BATTERY AND CHARGING EPOS I SENNHEISER IMPACT MB 660 UC MS Turtle Beach Ear Force Stealth 420X+
Battery Type Headset battery rechargeable Headset battery rechargeable
Battery Life 30 hours 15 hour(s) EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the Turtle Beach Ear Force Stealth 420X+.
Standby Time 360 hours -
Charging Time 3 hours -
WIRELESS LINK EPOS I SENNHEISER IMPACT MB 660 UC MS Turtle Beach Ear Force Stealth 420X+
Transmission Range 25 m -
OTHERS EPOS I SENNHEISER IMPACT MB 660 UC MS Turtle Beach Ear Force Stealth 420X+
Included Accessories Carrying case, Bluetooth adapter, airplane adapter USB wireless transmitter
Service & Support Limited warranty - 2 years Limited warranty - 1 year
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