Poly Blackwire C725-UC vs. Logitech Zone Wireless 2 UC

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Poly Blackwire C725-UC and Logitech Zone Wireless 2 UC. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.

Headphones Specifications Comparison

Poly Blackwire C725-UC vs. Logitech Zone Wireless 2 UC Comparison Chart
DESIGN AND DIMENSIONS Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Product Type Headset - wired - USB Headset - Bluetooth - wireless - USB-C via Bluetooth adapter
Series 700 Series -
Height - 18.39 cm
Width - 17.91 cm
Depth - 7 cm
Weight - 230 g
Dimensions & Weight Details - USB-C receiver: 1.24 cm x 2.66 cm x 0.65 cm
USB-A adapter: 1.54 cm x 2.45 cm x 0.87 cm
Colour - Graphite
Body Material - Low carbon aluminiu, 20% post-consumer recycled plastic
Recommended Use Computer Portable electronics, computer
Bluetooth Range (Operating Distance) - 50 m
SOUND QUALITY Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Headphones Form Factor On-ear On-ear binaural
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 5.2
Bluetooth Profiles - Hands-Free Profile (HFP), Headset Profile (HSP), Serial Port Profile (SPP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec - SBC, AAC, aptX, aptX HD
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology SoundGuard Hybrid ANC
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Audio Output Details - Multimedia - 20 - 20000
Communication - 100 - 8000
Diaphragm - 40 mm
Simultaneously Connectable Devices Qty (Multipoint) - 2 Logitech Zone Wireless 2 UC have the ability to connect to multiple devices simultaneously.
Features - Google Fast Pair, Advanced Call Clarity
In-Cord Volume Control Yes -
MICROPHONE Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Form Factor Headset microphone Headset microphone
Type Boom Boom
Microphone Technology - Condenser
Microphone Operation Mode - Omni-directional
Noise Cancelling - Yes Logitech Zone Wireless 2 UC microphone can cancel out ambient noise.
Frequency Response 100 - 8000 Hz 100 - 8000 Hz The frequency response of the microphones in both headphones is the same.
Microphones Included - 5
REMOTE CONTROL Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Controls Mute, volume, answer/end Mute, volume, answer/end, play/pause, next/previous track, reject call, flip-to-mute, ANC/transparency
CABLE Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Cable Type USB cable - 2.04 m USB-C charge cable - 1.5 m
Cable Length 2.04 m -
FEATURES Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Sensors - On-head detection
Additional Functions - Transparency mode
BATTERY AND CHARGING Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Battery Type - Headset battery rechargeable - Lithium Ion
Battery Life - 18 hour(s)
Battery Life Details - Continuous playback (active noise-cancelling on): up to 22 hours
Continuous talk (active noise-cancelling on): up to 15 hours
Continuous playback (active noise-cancelling off): up to 40 hours
Continuous talk (active noise-cancelling off): up to 18 hours
Continuous talk (active noise-cancelling on) (with advanced call clarity): up to 12 hours
Continuous talk (active noise-cancelling off) (with advanced call clarity): up to 14 hours
Continuous talk (with 5 min charge): up to 1 hour
Charging Time - 2 hour(s)
CONNECTIONS Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Connector Type USB (4 PIN USB Type A) -
OTHERS Poly Blackwire C725-UC Logitech Zone Wireless 2 UC
Included Accessories Carrying case Travel bag, USB-C charging cable, USB-C to USB-A adapter, USB-C receiver
Compatibility - iPhone, iPad, Android phone, Chrome OS, Mac, Windows, Android tablet
Software Certification - Optimised for UC
Compliant Standards - ADA, FSC, CarbonNeutral, G616, EN 50332-2
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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