Poly EncorePro 320, USB-C vs. EPOS I SENNHEISER ADAPT 561 II

Headphones Comparison, Reviews and Tests

In depth comparison and review of Poly EncorePro 320, USB-C and EPOS I SENNHEISER ADAPT 561 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

Poly EncorePro 320, USB-C vs. EPOS I SENNHEISER ADAPT 561 II Comparison Chart
DESIGN AND DIMENSIONS Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 II
Product Type Headset - wired - USB-C Headset - Bluetooth - wireless
Series 300 Series ADAPT 500 Series
Weight - 232 g
Earpad Material - Plush, textured fabric
Recommended Use Computer Portable electronics, computer
Bluetooth Range (Operating Distance) - 25 m
SOUND QUALITY Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 II
Headphones Form Factor On-ear 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 561 II are equipped with active noice cancellation.
Active Noise Cancelling Technology - Hybrid ANC
Sound Output Mode Stereo Stereo
Sound Effects - EPOS Voice
Frequency Response 50 - 8000 Hz 20 - 20000 Hz EPOS I SENNHEISER ADAPT 561 II offer a larger frequency range than Poly EncorePro 320, USB-C.
Total Harmonic Distortion (THD) - <0.3%
Impedance 32 Ohm 32 Ohm
Max Sound Pressure 118 dB 108 dB
Diaphragm 28 mm -
Features - Audio prompts
In-Cord Volume Control Yes -
MICROPHONE Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 II
Form Factor - Headset microphone
Type Boom Boom
Microphone Operation Mode Uni-directional Beamforming, MEMS-directional
Frequency Response - 100 - 10000 Hz
Microphones Included - 2
REMOTE CONTROL Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 II
Controls Mute, volume -
CABLE Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 II
Cable Type Headset cable USB-C to USB-C cable - detachable
FEATURES Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 II
Features - EPOS ActiveGard
BATTERY AND CHARGING Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 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 - 220 min
CONNECTIONS Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 II
Connector Type Headset (24 pin USB-C) -
OTHERS Poly EncorePro 320, USB-C EPOS I SENNHEISER ADAPT 561 II
Included Accessories - Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable
Software Certification - Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet
Service & Support - Limited warranty - 2 years
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