United States
| Name: |
2499-823-309 |
| Description: | JABRA BIZ 2400 II DUO USB NC CC MS |
| Rating: |
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Added to cart 21 times recently |
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3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
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Same-day Shipping
Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
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.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
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
2499-823-309 Overview
2499-823-309-JABRA BIZ 2400 II DUO USB NC CC MS is a professional binaural (dual-ear) USB headset designed for unified communications (UC) and contact center environments. As a wired headset, it features a noise-cancelling condenser microphone and stereo headphones, delivering reliable audio performance for both input and output. This model connects via USB, ensuring digital audio transmission and compatibility with modern conferencing systems and softphones, particularly those certified for Microsoft Skype for Business and Teams. The headset supports wideband (HD) audio with a frequency response of 100 Hz to 12 kHz for the speakers, and up to 6.8 kHz for the microphone, providing clear voice transmission and rich sound for calls and virtual meetings.
With DSP (Digital Signal Processing) and advanced noise-cancelling technology, the Jabra BIZ 2400 II DUO USB NC CC MS reduces background distractions and enhances call clarity, making it ideal for busy offices, boardrooms, and meeting spaces. The headset features in-line controls for call management and volume adjustment, and is USB-powered for plug-and-play simplicity on Windows and Mac platforms. Thanks to its lightweight, ergonomic build and reinforced Kevlar-cord, it is designed for all-day comfort and durability in demanding unified communications and contact center deployments. Typical use cases include customer service centers, remote working, and enterprise UC installations.
What is the price of 2499-823-309?
Pricing for 2499-823-309 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 2499-823-309.
Explore more options from Audio Equipment or explore other Jabra products.
2499-823-309 Specifications
| Product Type | Audio Equipment |
| Audio Device Type | Headset |
| Microphone Type | Condenser |
| Speaker Type | N/A |
| Form Factor | Portable |
| Use Case | Unified Communications / Conference Room / Contact Center |
| Channel Configuration | Stereo |
| Connectivity | USB |
| Input Types | USB |
| Output Types | USB |
| Power Output (if Applicable) | N/A |
| Power Source | USB-Powered |
| Frequency Response | 100 Hz – 12 kHz (Speaker), 100 Hz – 6.8 kHz (Microphone) |
| Signal Processing | DSP / Noise Suppression |
| Audio Codecs Supported | N/A |
| Mounting Option | N/A |
| Control Interface | Physical Buttons |
| Wireless Support | No |
| Product Name | Jabra BIZ 2400 II Duo USB NC CC MS |
| Height | 7.5 |
| Width | 6.7 |
| Depth | 2.0 |
| Weight | 0.13 |
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 | N/A | SBC / AAC | N/A | N/A |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Channel Configuration | Stereo | Stereo | Stereo | Mono | Stereo |
| Connectivity | USB / 3.5mm | USB | USB / Bluetooth | DECT | QD (Quick Disconnect) |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons / Touch Control / Software / App | Physical Buttons | Physical Buttons |
| Depth | 6.93 | 2.0 | 2.8 | 2.8 | 2.2 |
| Form Factor | Portable | Portable | Portable / Desktop | Portable | Portable |
| Frequency Response | 20 Hz – 20 kHz (speaker), 100 Hz – 10 kHz (microphone) | 100 Hz – 12 kHz (Speaker), 100 Hz – 6.8 kHz (Microphone) | 20 Hz – 20 kHz (speaker); 10 Hz – 20 kHz (microphone) | 150 Hz – 6.8 kHz | 100 Hz – 8 kHz (telephony) / 80 Hz – 16 kHz (multimedia) |
| Height | 2.12 | 7.5 | 8.7 | 6.7 | 6.7 |
| Input Types | USB / 3.5mm | USB | USB / Bluetooth / 3.5mm | N/A | QD (Quick Disconnect) |
| Microphone Type | Condenser | Condenser | Boom / Condenser | Condenser | Condenser |
| Mounting Option | N/A | N/A | Desktop (Stand) | N/A | N/A |
| Output Types | USB / 3.5mm | USB | Stereo / USB / 3.5mm | N/A | QD (Quick Disconnect) |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | USB-Powered | USB-Powered | Battery / USB-Powered (Charging Stand) | AC Adapter | N/A |
| Product Name | Jabra EVOLVE 30 II MS DUO | Jabra BIZ 2400 II Duo USB NC CC MS | Jabra Evolve2 85 Link380c UC Stereo Stand Black (28599-989-889) | Jabra PRO 920 Headset Convertible (920-25-508-101) | Jabra BIZ 2400 II QD Duo NC - Headset (2409-820-204) |
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Signal Processing | DSP / AEC | DSP / Noise Suppression | DSP / AEC / Noise Suppression | DSP | DSP / Noise Suppression / PeakStop |
| Speaker Type | N/A | N/A | Active / 2-Way | N/A | N/A |
| Use Case | Unified Communications / Conference Room / Meeting Space | Unified Communications / Conference Room / Contact Center | Unified Communications / Conference Room / Office / Meeting Space | Conference Room / Unified Communications / Office | Unified Communications / Conference Room / Call Center |
| Weight | 0.33 | 0.13 | 0.65 | 0.06 | 0.14 |
| Width | 7.2 | 6.7 | 7.5 | 5.1 | 5.9 |
| Wireless Support | No | No | Bluetooth | RF | No |
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