Poly Blackwire 8225 series vs Sony WH-CH520

Microphones

One of the standout features of the is its Boom microphone and it's Advanced noise reduction. This makes it exceptionally good for voice calls and online meetings, where clear communication is crucial. Meanwhile, Sony WH-CH520 has Omnidirectional microphone suitable for various sectors.

Technichal specifications
Poly Blackwire 8225 series
Sony WH-CH520
Type
On-ear
On-ear
Connectivity
Wired, USB-A / USB-C connection
Bluetooth 5.2
Battery life
N/A
50 hours
Charge time
N/A
3 hours
Charging method
N/A
USB-C
Wireless range
N/A
Up to 10 meters
Latency
N/A
Low
Batteries
N/A
Lithium Polymer
Driver info
32mm
30mm dynamic drivers
Physical specifications
Poly Blackwire 8225 series
Sony WH-CH520
Weight
186 grams
147 grams
Dimensions
155x178x32 mm
155 x 180 x 60 mm
Materials
Durable materials with leatherette ear cushions
Plastic, synthetic leather ear cushions
Color options
Black
Black, White, Blue
Mute button
Yes
No
Touch controls
No
No
Accessories
USB-A / USB-C cable
USB-C charging cable
Cable length
2.2m
N/A
Water/sweat resistence
N/A
N/A
Microphone
Poly Blackwire 8225 series
Sony WH-CH520
Type
Boom
Built-in
Directionality
Noise-canceling
Omnidirectional
Frequency response
100Hz - 10kHz
100Hz - 8kHz
Sensitivity
N/A
-38 dBV/Pa
AI features
Advanced noise reduction
Basic noise cancellation
Speaker
Poly Blackwire 8225 series
Sony WH-CH520
Frequency range
20 Hz - 20 kHz
20 Hz - 20 kHz
Mono/stereo audio
Stereo
Stereo
Transparency mode
No
No
AI features
No
No
Popularity and rating
Poly Blackwire 8225 series
Sony WH-CH520
Brand popularity
High
High
Model popularity
Moderate to High
High
Comfort rating
High
Medium
Sound quality rating
Very High
Medium
Durability rating
High
Medium
Comfort for long wear
Very High
Medium

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