EPOS I SENNHEISER ADAPT 165 II vs. Poly Voyager Focus B825-M

Headphones Comparison, Reviews and Tests

In depth comparison and review of EPOS I SENNHEISER ADAPT 165 II and Poly Voyager Focus B825-M. 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 ADAPT 165 II vs. Poly Voyager Focus B825-M Comparison Chart
DESIGN AND DIMENSIONS EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Product Type Headset - wired - 3.5 mm jack Headset - Bluetooth - wireless - USB-A via Bluetooth adapter
Series ADAPT 100 Series -
Height - 7 cm
Width - 18.3 cm
Depth - 16 cm
Weight 145.3 g 155 g EPOS I SENNHEISER ADAPT 165 II are lighter than EPOS I SENNHEISER ADAPT 165 II headphones.
Colour Black Black
Earpad Material Leatherette -
Recommended Use Portable electronics, computer Portable electronics, computer
Bluetooth Range (Operating Distance) - 30 m
SOUND QUALITY EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Headphones Form Factor On-ear On-ear
Headphones Technology Dynamic -
Foldable Yes - EPOS I SENNHEISER ADAPT 165 II can be folded.
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 4.1
Active Noise Cancelling - Yes Poly Voyager Focus B825-M are equipped with active noice cancellation.
Active Noise Cancelling Technology - SoundGuard
Sound Output Mode Stereo Stereo
Sound Effects EPOS Voice -
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Total Harmonic Distortion (THD) 55% -
Max Sound Pressure 115 dB -
Diaphragm - 32 mm
Simultaneously Connectable Devices Qty (Multipoint) - 8 Poly Voyager Focus B825-M have the ability to connect to multiple devices simultaneously.
Magnet Material Neodymium -
Features - Smart Sensor Technology
MICROPHONE EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Type Boom Boom
Microphone Operation Mode - MEMS-directional
Noise Cancelling Yes - EPOS I SENNHEISER ADAPT 165 II microphone can cancel out ambient noise.
Frequency Response 100 - 8000 Hz 100 - 6700 Hz EPOS I SENNHEISER ADAPT 165 II offer a larger microphone frequency range than Poly Voyager Focus B825-M.
Microphones Included - 3
REMOTE CONTROL EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Controls - Volume, answer/end, microphone on/mute, play/pause
CABLE EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Cable Type Headset cable - 1.12 m Micro-USB charging cable
Cable Length 1.12 m -
FEATURES EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Features EPOS ActiveGard -
BATTERY AND CHARGING EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Battery Type - Headset battery rechargeable
Battery Capacity - 325 mAh
Battery Life - 15 hour(s)
Battery Life Details - Continuous playback (AAC, active noise-cancelling on): up to 12 hours
Continuous talk (active noise-cancelling off): up to 12 hours
Continuous talk (active noise-cancelling on): up to 10 hours
Continuous playback (active noise-cancelling off): up to 15 hours
Charging Time - 2 hour(s)
CONNECTIONS EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Connector Type Headset (mini-phone 3.5mm) -
OTHERS EPOS I SENNHEISER ADAPT 165 II Poly Voyager Focus B825-M
Included Accessories - Travel pouch, BT700 Bluetooth USB adapter
Software Certification - Certified for Skype for Business, Certified for Microsoft Teams
Service & Support Limited warranty - 2 years -
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