Sony MDR ZX330BT vs. Poly Blackwire 3320-M

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sony MDR ZX330BT and Poly Blackwire 3320-M. 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

Sony MDR ZX330BT vs. Poly Blackwire 3320-M Comparison Chart
DESIGN AND DIMENSIONS Sony MDR ZX330BT Poly Blackwire 3320-M
Product Type Headphones - Bluetooth - wireless - NFC Headset - wired - USB-C
Series - Blackwire 3300 series
Height - 17.8 cm
Width - 15.5 cm
Depth - 3.2 cm
Weight 150 g 130 g Poly Blackwire 3320-M are lighter than Sony MDR ZX330BT headphones.
Colour - Black
Earpad Material - Foam
Recommended Use Portable electronics Portable electronics, computer
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY Sony MDR ZX330BT Poly Blackwire 3320-M
Headphones Form Factor On-ear On-ear
Headphones Technology Dynamic -
Ear Cups Type Closed -
Adjustable Headband - Yes
Foldable Yes - Sony MDR ZX330BT can be folded.
Connectivity Technology Wireless Wired
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 3.0 -
Bluetooth Profiles Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Low Complexity Subband Coding (SBC) -
Active Noise Cancelling - Yes Poly Blackwire 3320-M are equipped with active noice cancellation.
Active Noise Cancelling Technology - SoundGuard
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Sensitivity - 116 dB
Impedance - 32 Ohm
Max Sound Pressure - 118 dB
Diaphragm 30 mm 32 mm Poly Blackwire 3320-M have a thicker diaphragm than Sony MDR ZX330BT.
Features - Dynamic EQ optimised
In-Cord Volume Control - Yes
MICROPHONE Sony MDR ZX330BT Poly Blackwire 3320-M
Form Factor Built-in -
Type - Boom
Microphone Technology Electret condenser -
Microphone Operation Mode Stereo -
Frequency Response 100 - 4000 Hz 100 - 10000 Hz Poly Blackwire 3320-M offer a larger microphone frequency range than Sony MDR ZX330BT.
Audio Input Details Omni-directional - 100 - 4000 Hz -
Sensitivity - -38 dB
REMOTE CONTROL Sony MDR ZX330BT Poly Blackwire 3320-M
Controls - Mute, volume, answer/end
CABLE Sony MDR ZX330BT Poly Blackwire 3320-M
Cable Type Micro-USB charge cable - 50 cm -
BATTERY AND CHARGING Sony MDR ZX330BT Poly Blackwire 3320-M
Battery Type Headphone battery rechargeable - Lithium Ion -
Battery Life 30 hours -
Standby Time 300 hours -
Charging Time 4 hours -
WIRELESS LINK Sony MDR ZX330BT Poly Blackwire 3320-M
Transmission Range 10 m -
Modulation Type FHSS -
Radio Frequency Range 2.4 - 2.4835GHz -
CONNECTIONS Sony MDR ZX330BT Poly Blackwire 3320-M
Connector Type Bluetooth USB (24 pin USB-C)
OTHERS Sony MDR ZX330BT Poly Blackwire 3320-M
Compatibility - Mac, Windows
Software Certification - Certified for Microsoft Teams
Supported Host Device OS - Windows 10, macOS
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