Jabra BIZ 2400 Duo vs. Poly Blackwire 325

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Jabra BIZ 2400 Duo and Poly Blackwire 325. 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

Jabra BIZ 2400 Duo vs. Poly Blackwire 325 Comparison Chart
DESIGN AND DIMENSIONS Jabra BIZ 2400 Duo Poly Blackwire 325
Product Type Headset - wired Headset - wired - USB, 3.5 mm jack
Series - 300 Series
Body Material KEVLAR, surgical steel -
Headband Material - Metal
SOUND QUALITY Jabra BIZ 2400 Duo Poly Blackwire 325
Headphones Form Factor On-ear On-ear
Headphones Technology Dynamic -
Connectivity Technology Wired Wired
Noise Isolating Yes - Jabra BIZ 2400 Duo are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Frequency Response 300 - 3400 Hz 20 - 20000 Hz Poly Blackwire 325 offer a larger frequency range than Jabra BIZ 2400 Duo.
Magnet Material Neodymium -
Features - SoundGuard Technology
In-Cord Volume Control - Yes
MICROPHONE Jabra BIZ 2400 Duo Poly Blackwire 325
Type Boom Boom
Microphone Operation Mode Omni-directional -
Frequency Response - 100 - 10000 Hz
REMOTE CONTROL Jabra BIZ 2400 Duo Poly Blackwire 325
Controls - Mute, volume, answer/end
CABLE Jabra BIZ 2400 Duo Poly Blackwire 325
Cable Type Headset cable Headset cable - 2.13 m
Cable Length - 2.13 m
FEATURES Jabra BIZ 2400 Duo Poly Blackwire 325
Additional Functions - DSP
CONNECTIONS Jabra BIZ 2400 Duo Poly Blackwire 325
Connector Type Headset USB (4 PIN USB Type A)
Headphones (mini-phone 3.5 mm 4-pole)
OTHERS Jabra BIZ 2400 Duo Poly Blackwire 325
Compliant Standards EN 60950, UL 60950, AS/NZS 3260, IEC 60950-1 -
Service & Support Limited warranty - 3 years Limited warranty - 2 years
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