Jabra BIZ 2400 Duo vs. Poly Voyager Focus 2

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Jabra BIZ 2400 Duo and Poly Voyager Focus 2. 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 Voyager Focus 2 Comparison Chart
DESIGN AND DIMENSIONS Jabra BIZ 2400 Duo Poly Voyager Focus 2
Product Type Headset - wired Headset - Bluetooth - wireless, wired - USB-A via Bluetooth adapter
Height - 18.2 cm
Width - 15.5 cm
Depth - 6.7 cm
Weight - 176 g
Colour - Black
Body Material KEVLAR, surgical steel -
Earpad Material - Artificial leather
Recommended Use - Portable electronics, computer
Bluetooth Range (Operating Distance) - 50 m
SOUND QUALITY Jabra BIZ 2400 Duo Poly Voyager Focus 2
Headphones Form Factor On-ear On-ear
Headphones Technology Dynamic -
Adjustable Headband - Yes
Connectivity Technology Wired Wireless, wired
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 5.1
Bluetooth Profiles - Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Active Noise Cancelling - Yes Poly Voyager Focus 2 are equipped with active noice cancellation.
Active Noise Cancelling Technology - SoundGuard DIGITAL
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 Voyager Focus 2 offer a larger frequency range than Jabra BIZ 2400 Duo.
Diaphragm - 32 mm
Simultaneously Connectable Devices Qty (Multipoint) - 2 Poly Voyager Focus 2 have the ability to connect to multiple devices simultaneously.
Magnet Material Neodymium -
Features - Dynamic EQ optimised
MICROPHONE Jabra BIZ 2400 Duo Poly Voyager Focus 2
Type Boom Boom
Microphone Operation Mode Omni-directional MEMS-directional
Frequency Response - 100 - 6800 Hz
Microphones Included - 4
REMOTE CONTROL Jabra BIZ 2400 Duo Poly Voyager Focus 2
Controls - Mute, volume, power on/off, answer/end, ANC mode
CABLE Jabra BIZ 2400 Duo Poly Voyager Focus 2
Cable Type Headset cable Micro-USB charging cable
Cable Length - 1.5 m
FEATURES Jabra BIZ 2400 Duo Poly Voyager Focus 2
Additional Functions - SoundGuard DIGITAL
BATTERY AND CHARGING Jabra BIZ 2400 Duo Poly Voyager Focus 2
Battery Type - Headset battery rechargeable - Lithium Ion
Battery Capacity - 560 mAh
Battery Life - 40 hours
Battery Life Details - Continuous talk (noise cancelling ON): up to 16 hours
Continuous talk (noise cancelling OFF): up to 18 hours
Continuous hearing (noise cancelling ON): up to 24 hours
Continuous hearing (noise cancelling OFF): up to 40 hours
Standby Time - 30 days
Charging Time - 2 hours
CONNECTIONS Jabra BIZ 2400 Duo Poly Voyager Focus 2
Connector Type Headset USB (USB Type-A)
OTHERS Jabra BIZ 2400 Duo Poly Voyager Focus 2
Included Accessories - Charging stand, charging cable, travel pouch, BT700 Bluetooth USB adapter
Compatible Software - Microsoft Teams
Software Certification - Certified for Microsoft Teams
Supported Host Device OS - Windows 10, macOS, Windows 11
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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