United States
| Name: |
2409-720-209 |
| Description: | JABRA BIZ 2400 II DUO UNC QD |
| Rating: |
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Added to cart 30 times recently |
| Availability: |
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| Brand: |
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
2409-720-209 Overview
2409-720-209-JABRA BIZ 2400 II DUO UNC QD is a professional wired headset engineered for enterprise voice communications. It is a dual-ear (duo) headset equipped with an advanced condenser microphone featuring Ultra Noise Cancellation (UNC), and is designed to connect via Quick Disconnect (QD) for compatibility with a wide range of desk phones and unified communications platforms. The headset supports a wideband frequency response of 80 Hz – 16 kHz, optimizing voice clarity across UC solutions and traditional PBX environments, and leverages digital signal processing (DSP) technology for natural audio and superior noise suppression.
This headset is widely compatible with AV systems, softphones, and leading UC solutions through its modular QD interface, supporting plug-and-play use in boardrooms, meeting spaces, call centers, and unified communications deployments. The Jabra Biz 2400 II Duo UNC QD offers stereo channel configuration and incorporates robust Kevlar-reinforced cables, 360-degree boom arm rotation, and intuitive physical in-line controls (on supported variants), making it ideal for busy professional environments where comfort, reliability, and high-quality audio input/output are paramount.
What is the price of 2409-720-209?
Pricing for 2409-720-209 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 2409-720-209.
Explore more options from Audio Equipment or explore other Jabra products.
2409-720-209 Specifications
| Product Type | Audio Equipment |
| Audio Device Type | Headset |
| Microphone Type | Condenser |
| Speaker Type | N/A |
| Form Factor | Desktop |
| Use Case | Conference Room / Unified Communications / Call Center / Meeting Space |
| Channel Configuration | Stereo |
| Connectivity | Quick Disconnect (QD) |
| Input Types | N/A |
| Output Types | N/A |
| Power Output (if Applicable) | N/A |
| Power Source | N/A |
| Frequency Response | 80 Hz – 16 kHz |
| 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 UNC QD (2409-720-209) |
| Height | 7.6 |
| Width | 5.8 |
| Depth | 2.1 |
| Weight | 0.12 |
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 / AAC | N/A | N/A | N/A |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Channel Configuration | Mono | Stereo | Stereo | Mono | Stereo |
| Connectivity | USB | USB / Bluetooth | Quick Disconnect (QD) | 3.5mm / Quick Disconnect (QD) | Quick Disconnect (QD) |
| Control Interface | Physical Buttons | Physical Buttons / Software | Physical Buttons | Physical Buttons | Physical Buttons |
| Depth | 2.32 | 2.36 | 2.1 | 2.3 | 2.0 |
| Form Factor | Desktop | Portable | Desktop | Portable | Desktop |
| Frequency Response | 150 Hz – 7 kHz (Calls), 40 Hz – 18 kHz (Music) | 20 Hz – 20 kHz (music); 100 Hz – 8 kHz (calls) | 80 Hz – 16 kHz | 80 Hz – 16 kHz | 80 Hz – 16 kHz |
| Height | 6.77 | 7.87 | 7.6 | 7.1 | 6.5 |
| Input Types | USB | USB / Bluetooth | N/A | N/A | N/A |
| Microphone Type | Dynamic | Condenser | Condenser | Condenser | Condenser |
| Mounting Option | Desktop | Desktop | N/A | N/A | N/A |
| Output Types | USB | USB / Bluetooth | N/A | 3.5mm | Quick Disconnect (QD) |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | USB-Powered | Battery / USB-Powered | N/A | N/A | N/A |
| Product Name | Jabra EVOLVE 30 II MS Mono (5393-823-309) | Jabra Evolve2 65 Link380A UC Stereo Stand Black | Jabra BIZ 2400 II Duo UNC QD (2409-720-209) | Jabra BIZ 2400 II Mono 3-1 NC WB Balance | Jabra BIZ 2400 II Duo NC IP QD (2489-820-209) |
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Signal Processing | DSP / Noise Suppression | DSP / AEC / Noise Suppression | DSP / 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 / Meeting Space | Unified Communications | Conference Room / Unified Communications / Call Center / Meeting Space | Unified Communications / Conference Room / Contact Center / Office | Unified Communications / Conference Room / Contact Center |
| Weight | 0.22 | 0.42 | 0.12 | 0.13 | 0.13 |
| Width | 5.94 | 6.89 | 5.8 | 5.5 | 6.6 |
| Wireless Support | No | Bluetooth | No | No | No |
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