EPOS I SENNHEISER ADAPT 561 II vs. Poly Blackwire 3225 (3300 Series)

Headphones Comparison, Reviews and Tests

In depth comparison and review of EPOS I SENNHEISER ADAPT 561 II and Poly Blackwire 3225 (3300 Series). 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 561 II vs. Poly Blackwire 3225 (3300 Series) Comparison Chart
DESIGN AND DIMENSIONS EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
Product Type Headset - Bluetooth - wireless Headset - wired - USB, 3.5 mm jack
Series ADAPT 500 Series 3300 Series
Height - 17.8 cm
Width - 15.5 cm
Depth - 3.2 cm
Weight 232 g 64 g Poly Blackwire 3225 (3300 Series) are lighter than EPOS I SENNHEISER ADAPT 561 II headphones.
Colour - Black
Earpad Material Plush, textured fabric Artificial leather
Recommended Use Portable electronics, computer Computer
Bluetooth Range (Operating Distance) 25 m -
SOUND QUALITY EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
Headphones Form Factor On-ear On-ear
Headphones Technology Dynamic -
Ear Cups Type Closed -
Adjustable Headband - Yes
Connectivity Technology Wireless Wired
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 5.0 -
Bluetooth Audio Codec SBC, AAC -
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology Hybrid ANC SoundGuard
Sound Output Mode Stereo Stereo
Sound Effects EPOS Voice -
Frequency Response 20 - 20000 Hz -
Total Harmonic Distortion (THD) <0.3% -
Sensitivity - 90 dB
Impedance 32 Ohm 32 Ohm
Max Sound Pressure 108 dB -
Diaphragm - 28 mm
Features Audio prompts Digital signal processing, Dynamic EQ optimised
In-Cord Volume Control - Yes
MICROPHONE EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
Form Factor Headset microphone -
Type Boom Boom
Microphone Operation Mode Beamforming, MEMS-directional Omni-directional
Frequency Response 100 - 10000 Hz 100 - 10000 Hz The frequency response of the microphones in both headphones is the same.
Sensitivity - -38 dBV/Pascal
Microphones Included 2 -
REMOTE CONTROL EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
Controls - Mute, volume, answer/end, hold, redial
CABLE EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
Cable Type USB-C to USB-C cable - detachable USB-A cable
FEATURES EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
Features EPOS ActiveGard -
BATTERY AND CHARGING EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
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 EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
Connector Type - USB (4 PIN USB Type A)
Headset (mini-phone stereo 3.5 mm)
OTHERS EPOS I SENNHEISER ADAPT 561 II Poly Blackwire 3225 (3300 Series)
Included Accessories Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable -
Compatibility - Mac, Windows
Software Certification Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet Skype Certified, Avaya Certified, Cisco Jabber Certified
Supported Host Device OS - Windows 10, macOS, Windows 11
Service & Support Limited warranty - 2 years -
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