Poly Blackwire C725-UC vs. Bang & Olufsen Beoplay Portal

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Poly Blackwire C725-UC and Bang & Olufsen Beoplay Portal. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Poly Blackwire C725-UC vs. Bang & Olufsen Beoplay Portal Comparison Chart
DESIGN AND DIMENSIONS Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Product Type Headset - wired - USB Headphones - Bluetooth / 2.4 GHz radio frequency - wireless, wired - 3.5 mm jack, USB-C
Series 700 Series -
Height - 17.87 cm
Width - 16.73 cm
Depth - 9.26 cm
Weight - 282 g
Colour - Navy | Antracite black | Grey mist
Body Material - Aluminium, rubber, composite polymer, bamboo fibre cloth
Earpad Material - Memory foam, lambskin
Design - Games
Recommended Use Computer Game console, portable electronics, computer
Bluetooth Range (Operating Distance) - 12 m
SOUND QUALITY Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Headphones Form Factor On-ear Full size
Headphones Technology - Dynamic
Connectivity Technology Wired Wireless, wired
Wireless Technology - Bluetooth / 2.4 GHz radio frequency
Bluetooth Version - Bluetooth 5.1
Bluetooth Audio Codec - SBC, AAC, aptX
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology SoundGuard Adaptive Noise Cancellation
Sound Output Mode Stereo Stereo
Built-in Decoders - Dolby Atmos
Frequency Response 20 - 20000 Hz 20 - 22000 Hz Bang & Olufsen Beoplay Portal offer a larger frequency range than Poly Blackwire C725-UC.
Sensitivity - 95 dB/mW
Impedance - 24 Ohm
Diaphragm - 40 mm
Magnet Material - Neodymium
Features - Google Fast Pair, Microsoft Swift Pair
In-Cord Volume Control Yes -
MICROPHONE Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Form Factor Headset microphone Built-in
Type Boom -
Frequency Response 100 - 8000 Hz -
REMOTE CONTROL Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Controls Mute, volume, answer/end Power on/off, volume control, microphone on/mute, play/pause, ANC/transparency
CABLE Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Cable Type USB cable - 2.04 m USB-C to USB-A cable - detachable - 1.25 m
Headphones cable - detachable - 1.25 m
Cable Length 2.04 m 1.25 m
FEATURES Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Additional Functions - Transparency mode
BATTERY AND CHARGING Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Battery Type - Headphone battery rechargeable - Lithium Ion
Battery Capacity - 1200 mAh
Battery Life - 24 hour(s)
Battery Life Details - Continuous playback (active noise-cancelling on) (2.4 GHz / Bluetooth): up to 12 hours
Continuous playback (active noise-cancelling on) (Bluetooth ON): up to 24 hours
Charging Time - 3 hour(s)
CONNECTIONS Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Connector Type USB (4 PIN USB Type A) Headphones (mini-phone 3.5mm)
USB (24 pin USB-C)
OTHERS Poly Blackwire C725-UC Bang & Olufsen Beoplay Portal
Included Accessories Carrying case Inflight adapter
Compliant Standards - MFI
Service & Support Limited warranty - 2 years Limited warranty - 3 years
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