Poly Blackwire C725-UC vs. EPOS I SENNHEISER GSP 670

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Poly Blackwire C725-UC and EPOS I SENNHEISER GSP 670. 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. EPOS I SENNHEISER GSP 670 Comparison Chart
DESIGN AND DIMENSIONS Poly Blackwire C725-UC EPOS I SENNHEISER GSP 670
Product Type Headset - wired - USB Headset - 7.1 channel - Bluetooth - wireless
Series 700 Series Gaming
Height - 18 cm
Width - 19 cm
Depth - 8 cm
Weight - 398 g
Colour - Black
Earpad Material - Leatherette
Recommended Use Computer Game console, computer
Gaming - Yes
Bluetooth Range (Operating Distance) - 10 m
SOUND QUALITY Poly Blackwire C725-UC EPOS I SENNHEISER GSP 670
Headphones Form Factor On-ear Full size
Headphones Technology - Dynamic
Ear Cups Type - Closed
Adjustable Headband - Yes
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 5.0
Bluetooth Audio Codec - SBC
Active Noise Cancelling Yes - Poly Blackwire C725-UC are equipped with active noice cancellation.
Active Noise Cancelling Technology SoundGuard -
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 10 - 23000 Hz EPOS I SENNHEISER GSP 670 offer a larger frequency range than Poly Blackwire C725-UC.
Max Sound Pressure - 112 dB
In-Cord Volume Control Yes -
MICROPHONE Poly Blackwire C725-UC EPOS I SENNHEISER GSP 670
Form Factor Headset microphone Headset microphone
Type Boom Boom
Microphone Operation Mode - Bi-directional
Noise Cancelling - Yes EPOS I SENNHEISER GSP 670 microphone can cancel out ambient noise.
Frequency Response 100 - 8000 Hz 10 - 7300 Hz Poly Blackwire C725-UC offer a larger microphone frequency range than EPOS I SENNHEISER GSP 670.
Sensitivity - -47 dBV/Pascal
Microphone Features - Mute function
REMOTE CONTROL Poly Blackwire C725-UC EPOS I SENNHEISER GSP 670
Controls Mute, volume, answer/end Volume
CABLE Poly Blackwire C725-UC EPOS I SENNHEISER GSP 670
Cable Type USB cable - 2.04 m USB charge cable - detachable - 1.5 m
Cable Length 2.04 m -
BATTERY AND CHARGING Poly Blackwire C725-UC EPOS I SENNHEISER GSP 670
Battery Type - Headset battery rechargeable
Battery Life - 20 hour(s)
CONNECTIONS Poly Blackwire C725-UC EPOS I SENNHEISER GSP 670
Connector Type USB (4 PIN USB Type A) -
OTHERS Poly Blackwire C725-UC EPOS I SENNHEISER GSP 670
Included Accessories Carrying case Bluetooth dongle
Compatibility - Mac, Windows
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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