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Jabra Biz 2300 Duo Headset - USB Type-C (2399-823-189)

Just 68 g, to take call after call without fatigue in a contact centre. Built for intensive use: a Kevlar-reinforced cord and a boom that swivels 360° with no risk of breaking.

  • Stereo, two earcups
  • Kevlar-reinforced cord, resistant to intensive use
  • Boom microphone that swivels 360° with no risk of breaking (FreeSpin system)
  • Air Shock noise-cancelling microphone: filters breath and sudden noises
  • Earcups that damp ambient noise
  • HD Voice technology for a clear, natural voice
  • Multifunction control unit: volume and microphone mute
  • Weight 68 g
  • Adjustable headband and boom microphone
  • PeakStop protection: sounds above 118 dB are blocked
Ref.: 2399-823-189
1 759,00 DHincl. VAT

Configuration · Jabra BIZ 2300

  • Stereo QD
  • Configuration shown: Stereo USB-C  Teams

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Product overview

Jabra Biz 2300 Duo stereo headset: a rugged wired headset designed for heavy use in contact centres.
Built to last: Kevlar-reinforced cord that stands up to the toughest everyday conditions, and a mic boom that rotates through 360° with no risk of breaking, thanks to the FreeSpin system.
Microphone: noise-cancelling mic with Air Shock technology that filters out breath sounds and sudden noises, paired with HD Voice to reproduce speech clearly and naturally.
Comfort: ultra-light, discreet design (68 g in the duo version), with an adjustable headband and boom to reduce agent fatigue throughout the day.
Also: multi-function control unit (volume, mic mute), ear cups that reduce ambient noise, PeakStop hearing protection against sound spikes above 118 dB.

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Technical specifications

Technical specifications
Dimensions (W x D x H)141 x 67 x 183 mm
Headset frequency response70 Hz to 16 kHz (music), 150 Hz to 6.8 kHz (voice)
Microphone frequency response101 Hz to 10,000 Hz
Cable length2.35 m
Wireless technologyNone (wired headset)
Microphone typeOmnidirectional noise-cancelling microphone
Microphone sensitivity-30 dBV/Pa ±2 dB (1 Pa, 0 dB = 1 V/Pa)
Talk timeNone (wired headset)
Standby timeNone (wired headset)
Box contentsHeadset, pouch, quick start guide, warranty certificate, warning notice
Weight69 g without cord, 115 g with cord (duo)
TypeHeadset
ConnectorUSB-C
ListeningStereo (both ears)
Noise cancellationNo noise reduction
MicrophoneBoom microphone
Headphone useCalls & remote working
Technical specifications (continued)
Ear cushionsFoam and leatherette cushions
Headset connectionUSB-C, plug-and-play
Adapter or receiver includedNone
Base or standNone
Headset chargingNone (wired headset)
Wireless rangeNone (wired headset)
Simultaneously connected devicesNone (wired headset)
Listening timeNone (wired headset)
Charging timeNone (wired headset)
Microphone boomFlexible microphone boom
Driver size28 x 3.9 mm
Impedance32 Ω ±15% at 1,000 Hz and 1.0 V
Headphone sensitivity93 dB ±3 dB
Hearing protectionPeakStop
Headset controlsProgrammable buttons (Jabra Contact Center Agent, Cisco Finesse, Push-To-Talk integration)
Audio bandwidthWideband for calls, Hi-Fi for music
Warranty1 year

Specific references

EAN5706991021592

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Under Law 09-08, you have the right to access, rectify and object to the processing of your personal data. This processing has been authorised by the CNDP under no. D-CE-389/2015. Learn more

Frequently asked questions about this product

Does this version of the Biz 2300 Duo connect via USB-C?
Yes, part number 2399-823-189 is the USB Type-C version: it plugs straight into a recent laptop, with no QD cord or adapter.
Can the cord stand up to use in a contact centre?
It is Kevlar-reinforced, built for the extreme conditions of everyday use — constant use, chair castors, sharp objects. It is the part that gives way first on a call-centre headset.
Is the mic boom likely to break from being turned again and again?
It rotates through 360° with no risk of breaking, thanks to the FreeSpin system. The headband and the boom are adjustable, which avoids straining the hinge at every shift change.
What is this headset's Air Shock microphone?
It is the noise-cancelling microphone that filters out breathing and sudden noises typical of close-up conversations. In return, HD Voice technology reproduces speech clearly and naturally.
What happens if there is a sudden sound spike in your ear?
PeakStop protection kicks in: all sounds above 118 dB are blocked before they reach the ear. At a workstation with back-to-back calls, it is the protection that matters most.
68 g — is that bearable over a whole day of calls?
That is precisely Jabra’s point: an ultra-light, discreet design weighing 68 g in the duo version, specifically to reduce agent fatigue over the course of the day.
Does the headset also reduce noise for the wearer?
Yes, its ear cups reduce ambient noise: this is isolation through contact, separate from the noise-cancelling microphone, which works for the person you are talking to. The two add up.
Is this Jabra Biz 2300 Duo USB-C new and under warranty?
Yes, new and sealed in its Jabra packaging. Your invoice serves as the warranty document and covers 1 year. The multi-function control unit handles volume and microphone mute.

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