Jabra BIZ 2300 USB-C UC Duo 2399-829-189 Dual-Ear Contact Centre Headset Noise-Cancelling Boom Mic In-Line Controls 115 g Black
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Jabra
2399-829-189
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Jabra BIZ 2300 USB-C UC Duo — Wired Contact Centre Headset
Built for all-day call queuesNoise-cancelling boom microphoneIn-line USB-C call controlsPeakStop and G616 hearing protection
The Jabra BIZ 2300 USB-C UC Duo, order code 2399-829-189, is a wired dual-ear headset made for people who are on the phone for most of their shift — contact centres, support desks, dispatch rooms and anywhere a queue runs all day. It plugs straight into a computer over USB-C, puts answer, mute, hold and volume on an in-line controller so nobody has to hunt for the softphone window, and carries a bendable noise-cancelling boom arm that can be set once and left alone. At 115 g with the cord it is light enough to wear for eight hours, and the acoustic protection built into it is the reason this family has survived so long in call centres.
Compatibility — check before buying:
The cable on this order code ends in USB-C. On an older tower or a dock with only USB-A sockets it plugs into nothing without an adapter — Jabra sells the same headset as 2399-829-109 with a USB-A plug, and that is the one to order for legacy hardware. This is also the UC build: if Microsoft Teams is the platform and certification matters to your IT policy, the equivalent is 2399-823-189. There is no Quick Disconnect on this variant, so it will not reach a desk phone; the QD versions of the BIZ 2300 are separate order codes that need a matching bottom cord or amplifier. And the box holds the headset and paperwork only — no pouch, no adapter, no spare cushions.
Best For
✓ Contact centres and support desks with long call queues
✓ Dispatch and helpdesk rooms where hands stay on the keyboard
✓ Softphone users who want physical mute and volume buttons
✓ Noisy open offices where the microphone has to reject the room
✓ Shift work where a light headset matters by hour six
✓ Teams standardising on one wired model across many desks
✓ Sites replacing ageing wired headsets on a like-for-like basis
✓ Shared desks where one headset is used across shifts
Key Features
A microphone that ignores the room
A uni-directional noise-cancelling capsule on a flexible boom, with an air-shock design and foam windscreen that cut breath noise. Response is tuned 101 Hz to 10,000 Hz for speech, so the caller hears the agent and not the floor. The boom bends and stays where you put it, which matters when a headset is shared across shifts.
Controls under your thumb, not in a window
The in-line USB-C controller carries answer, end and reject, mute on and off, hold and resume, and volume up and down. On a busy queue that is the difference between handling a call and hunting for the softphone. Status is shown on the controller itself.
Protection built for full shifts
PeakStop cuts sudden bursts on the line before they reach the ear, and the headset complies with the EU Noise at Work requirements and the Australian G616 standard. That is the specification a contact centre health and safety review will ask for.
Dual-ear focus, 115 g on the head
Two 28 mm drivers, 93 dB sensitivity, 150 Hz to 6,800 Hz for voice and 70 Hz to 16,000 Hz for music. The Duo build covers both ears so an agent can concentrate in a room full of other conversations, and it still weighs only 66 g before the cord.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
The BIZ 2300 is chosen for queues rather than for meetings, and the reason is the microphone: a bendable boom with an air-shock capsule holds its position through a shift and rejects the room far more aggressively than the boom on a general-purpose office headset. Where it catches people out is the ordering. Four things change independently — 2393 is mono and 2399 is duo, 829 is UC and 823 is MS, 189 is USB-C and 109 is USB-A, and the QD codes are a different product that needs a bottom cord. If you are standardising a floor, get one of each build in first and try them, then order the rest against a confirmed code. We keep the rest of the range in office and VoIP headsets, and if the real problem is a shared room rather than individual agents, a dedicated microphone may serve better than more headsets. Send us the phone or softphone platform and the port type and we will check the code before anything ships.
Buyer’s Guide
Buy it if
You run a contact centre or support desk, you want physical answer, mute and volume buttons on the cable, and you need a microphone that keeps the room out of the call. Your machines have USB-C ports and the platform is Zoom, Cisco, Avaya or another non-Teams softphone.
Skip it if
You need the headset to reach a desk phone, you are standardised on Microsoft Teams and need the certified code, or your PCs only have USB-A ports. Each of those is a different order code rather than an accessory.
Also consider
The mono 2393-829-189 if one open ear helps, the Teams-certified 2399-823-189, the USB-A 2399-829-109 for older hardware, or a BIZ 2300 QD build when a desk phone has to be part of the setup.
Features - Jabra - 2399-829-189
Colour
black
Interface
- USB Type-C
More Details
Product Code
Q711775
EAN Code
5706991021585
Manufacturer
Jabra