Koss UR 23i vs. EPOS I SENNHEISER ADAPT 560 II

Headphones Comparison, Reviews and Tests

In depth comparison and review of Koss UR 23i and EPOS I SENNHEISER ADAPT 560 II. 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

Koss UR 23i vs. EPOS I SENNHEISER ADAPT 560 II Comparison Chart
DESIGN AND DIMENSIONS Koss UR 23i EPOS I SENNHEISER ADAPT 560 II
Product Type Headphones - wired - 3.5 mm jack Headset - Bluetooth - wireless
Series - ADAPT 500 Series
Weight - 232 g
Colour White | Black -
Earpad Material - Textured fabric
Recommended Use Portable electronics Portable electronics, computer
Bluetooth Range (Operating Distance) - 25 m
SOUND QUALITY Koss UR 23i EPOS I SENNHEISER ADAPT 560 II
Headphones Form Factor Full size On-ear
Headphones Technology - Dynamic
Ear Cups Type - Closed
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 5.0
Bluetooth Audio Codec - SBC, AAC
Active Noise Cancelling - Yes EPOS I SENNHEISER ADAPT 560 II are equipped with active noice cancellation.
Active Noise Cancelling Technology - Hybrid ANC
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) - <0.3%
Sensitivity 94 dB -
Impedance 34 Ohm 32 Ohm
Max Sound Pressure - 108 dB
Features - Audio prompts
MICROPHONE Koss UR 23i EPOS I SENNHEISER ADAPT 560 II
Type On-cable Boom
Microphone Operation Mode - Beamforming, MEMS-directional
Noise Cancelling - Yes EPOS I SENNHEISER ADAPT 560 II microphone can cancel out ambient noise.
Noise Cancelling Technology - Advanced Noise Control
Frequency Response - 100 - 10000 Hz
Microphones Included - 4
CABLE Koss UR 23i EPOS I SENNHEISER ADAPT 560 II
Cable Type Headphones cable - 1.22 m USB-C to USB-A cable - detachable
BATTERY AND CHARGING Koss UR 23i EPOS I SENNHEISER ADAPT 560 II
Battery Type - Headset battery rechargeable
Battery Life Details - Continuous playback (noise cancelling OFF): up to 46 hours
Continuous talk (noise cancelling OFF): up to 41 hours
Continuous playback (noise cancelling ON): up to 24 hours
Continuous talk (noise cancelling ON): up to 24 hours
Standby Time - 81 day
Charging Time - 3.4 hour(s)
CONNECTIONS Koss UR 23i EPOS I SENNHEISER ADAPT 560 II
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole) -
OTHERS Koss UR 23i EPOS I SENNHEISER ADAPT 560 II
Included Accessories - Carrying case, BTD 800 USB dongle
Software Certification - Zoom Certified, Certified for Microsoft Teams, Optimised for Google Meet
Service & Support Limited warranty - lifetime Limited warranty - 2 years
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