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2496-829-309
- Description:
- JABRA BIZ 2400 II MONO USB 3-1 NC CC UC
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Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Free 14-Day Returns
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
2496-829-309 Overview
2496-829-309-JABRA BIZ 2400 II MONO USB 3-1 NC CC UC is a professional wired mono headset designed for unified communications and call center environments. Featuring a high-quality noise-cancelling condenser microphone and wideband audio speaker, this headset connects via USB, ensuring crystal-clear digital audio transmission for both input and output. Its mono channel configuration allows for single-ear listening while maintaining awareness of surroundings in dynamic office settings.
This headset offers advanced DSP (Digital Signal Processing) technology for superior voice clarity and integrates best-in-class noise cancellation to reduce background distractions. With a frequency response ranging from 100 Hz to 10 kHz (microphone) and 80 Hz to 16 kHz (speaker), the Jabra BIZ 2400 II Mono USB is optimized for speech. It is fully compatible with unified communications platforms and leading softphones, making it ideal for deployment in boardrooms, meeting spaces, call centers, and UC setups requiring reliable, high-performance audio solutions.
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Explore more options from Audio Equipment or explore other Jabra products.
2496-829-309 Specifications
| Product Type | Audio Equipment |
| Audio Device Type | Headset |
| Microphone Type | Condenser |
| Speaker Type | N/A |
| Form Factor | Desktop |
| Use Case | Unified Communications / Conference Room / Call Center |
| Channel Configuration | Mono |
| Connectivity | USB |
| Input Types | USB |
| Output Types | USB |
| Power Output (if Applicable) | N/A |
| Power Source | USB-Powered |
| Frequency Response | 80 Hz – 16 kHz (Speaker) / 100 Hz – 10 kHz (Microphone) |
| Signal Processing | DSP / Noise Suppression |
| Audio Codecs Supported | N/A |
| Mounting Option | Desktop |
| Control Interface | Physical Buttons |
| Wireless Support | No |
| Product Name | Jabra BIZ 2400 II Mono USB 3-1 NC CC UC |
| Height | 8.26 |
| Width | 6.69 |
| Depth | 2.0 |
| Weight | 0.11 |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Audio Codecs Supported | N/A | SBC | N/A | N/A | N/A |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Channel Configuration | Stereo | Stereo | Stereo | Mono | Stereo |
| Connectivity | USB | USB / Bluetooth | USB / DECT | USB | USB-C |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
| Depth | 2.0 | 2.32 | 2.3 | 2.0 | 2.36 |
| Form Factor | Desktop | Portable | Desktop | Desktop | Desktop |
| Frequency Response | Headset: 20 Hz – 20 kHz; Microphone: 150 Hz – 7 kHz | 20 Hz – 20 kHz (music), 150 Hz – 6.8 kHz (calls) | 150 Hz – 6.8 kHz | 80 Hz – 16 kHz (Speaker) / 100 Hz – 10 kHz (Microphone) | 100 Hz – 10 kHz |
| Height | 6.6 | 6.89 | 6.2 | 8.26 | 6.97 |
| Input Types | USB | USB / Bluetooth | USB | USB | USB-C |
| Microphone Type | Boom / Noise-Cancelling / N/A | Condenser | Condenser | Condenser | Condenser |
| Mounting Option | Desktop | N/A | Desktop | Desktop | Desktop |
| Output Types | USB | 3.5mm / Bluetooth | USB | USB | USB-C |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | USB-Powered | Battery / USB-Powered | Battery / AC Adapter | USB-Powered | USB-Powered |
| Product Name | Jabra Evolve 20 SE Stereo UC Leatherette | Jabra Evolve 75 UC Stereo Headset Head-band Bluetooth Black (7599-838-199) | 930-29-509-101-PRO 930 DUO Headset beidohrig schnurlos, DECT - Headset | Jabra BIZ 2400 II Mono USB 3-1 NC CC UC | Jabra BIZ 2300 Duo USB-C MS (2399-823-189) |
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Signal Processing | DSP / AEC / Noise Suppression | DSP / AEC / Noise Suppression / AGC | DSP / AEC / Noise Suppression | DSP / Noise Suppression | DSP / Noise Suppression |
| Speaker Type | N/A | Active | N/A | N/A | N/A |
| Use Case | Unified Communications / Conference Room / Office | Unified Communications | Conference Room / Unified Communications / Meeting Spaces / Office | Unified Communications / Conference Room / Call Center | Unified Communications / Conference Room / Call Center / Meeting Space |
| Weight | 0.33 | 0.42 | 0.18 | 0.11 | 0.11 |
| Width | 7.1 | 7.09 | 6.8 | 6.69 | 7.24 |
| Wireless Support | No | Bluetooth | RF | No | No |
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Questions & Answers
Q
What operating systems is the Jabra Biz 2400 II Mono USB compatible with?
A
The headset is plug-and-play compatible with Windows 10, Windows 11, Mac OS 10.11+ and most major softphone platforms.
Q
How do I connect the Jabra Biz 2400 II Mono USB to my computer?
A
Simply plug the USB-A connector into any available USB port—no drivers required for basic audio and call-control functions.
Q
What noise-cancellation technology does this headset use?
A
It features a state-of-the-art triple-microphone noise-canceling boom that filters out background noise for clear voice transmission.
Q
Which call-control features are integrated on the inline controller?
A
The controller provides one-touch answer/end, mute toggle, volume up/down and busy-light indication for efficient call handling.
Q
What items are included in the Jabra Biz 2400 II Mono USB package?
A
The kit contains the mono headset, detachable foam ear cushion, leatherette ear cushion, headband cushions and quick-disconnect cable.
Q
What wearing styles are supported by this headset?
A
You can wear it over-the-head with an adjustable steel-reinforced headband or position the ear hook and ear gel for a single-ear fit.
Q
How do I mute the microphone during a call?
A
Press the dedicated mute button on the inline controller; the red busy light illuminates to confirm mute status.
Q
How can I adjust the fit for maximum comfort?
A
Slide the headband to customize crown fit, rotate the microphone boom and choose between foam or leatherette cushions.
Q
Is the Jabra Biz 2400 II Mono USB certified for unified-communication platforms?
A
Yes, it is UC-certified for Skype for Business, Cisco, Avaya and all major softphone applications.
Q
What warranty does Jabra offer for this headset?
A
Jabra provides a two-year global warranty covering defects in materials and workmanship under normal use.
Q
What frequency range and speaker sensitivity does this headset deliver?
A
It offers a wideband audio range of 150 Hz–6.8 kHz and a speaker sensitivity of 118 dB ±3 dB for clear, natural sound.
Q
How should I clean and maintain the headset?
A
Use a soft, lint-free cloth with mild alcohol solution, avoid liquids entering the hardware and store it in a dust-free area.
Q
Is the microphone boom flexible and durable?
A
Yes, the boom arm is reinforced with steel wire for reliable positioning and long-term durability.
Q
Can I use this headset with a desk phone or smartphone?
A
Yes, the 3-in-1 quick-disconnect cable supports USB-A, desk-phone interface and 3.5 mm mobile connectivity with optional adapters.
Q
What are the advantages of the mono version vs. the duo version?
A
The mono model provides situational awareness and reduced fatigue while maintaining professional call clarity in one ear.
Q
Where can I purchase replacement parts for the Jabra Biz 2400 II Mono USB?
A
Replacement cushions, cables and headbands are available through authorized Jabra resellers or the official Jabra online store.
