United States$5,000,000+
Inventory Delivered By
W
Waylon Price
4
Excellent USB stereo headset for contact centers.
2499-829-309
Original Stock
Ready to Ship
Biz 2400 II USB Duo CC - Headset - Head-band - Office/Call c...
FEATURED DEAL
Name:
2499-829-309
- Description:
- Biz 2400 II USB Duo CC - Headset - Head-band - Office/Call center - Black - Silver - Binaural - China
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Jabra
- Condition:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
2499-829-309 Overview
2499-829-309-Biz 2400 II USB Duo CC - Headset - Head-band - Office/Call center - Black - Silver - Binaural - China is a professional binaural headset designed specifically for use in demanding office and call center environments. This audio device combines both speaker and microphone functionalities in a head-band form factor, ensuring exceptional audio clarity for unified communications and collaboration applications. Its dual speakers deliver stereo sound while the noise-cancelling condenser microphone ensures precise voice pickup, making it an ideal solution for high-volume call centers and UC deployments.
This headset features a USB connection for easy integration with PC-based communication systems, supporting plug-and-play operation without the need for extra drivers. The Jabra Biz 2400 II USB Duo CC offers a frequency response of 80 Hz – 18 kHz for speakers and 100 Hz – 10 kHz for the microphone, supporting premium wideband audio and advanced noise cancellation for optimal performance. It is compatible with leading UC platforms and is suitable for use in boardrooms, meeting spaces, and remote work scenarios, where reliable connectivity and superior comfort are essential.
2499-829-309 price is is available on request. Get immediate quote.
Request bulk order quote for 2499-829-309 for additional pricing. Browse the full Headsets series or explore all Jabra products.
2499-829-309 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 / Call Center / Office
- Channel Configuration
- Stereo
- Connectivity
- USB
- Input Types
- USB
- Output Types
- USB
- Power Output (if applicable)
- N/A
- Power Source
- USB-Powered
- Frequency Response
- 80 Hz – 18 kHz (Speaker), 100 Hz – 10 kHz (Microphone)
- Signal Processing
- DSP / Noise Suppression / AEC
- Audio Codecs Supported
- N/A
- Mounting Option
- Desktop
- Control Interface
- Physical Buttons
- Wireless Support
- No
- Product Name
- Jabra Biz 2400 II USB Duo CC
- Height
- 6.89
- Width
- 5.59
- Depth
- 1.18
- Weight
- 0.13
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 2499-829-309 |  4999-823-189 |  14208-18 |  26599-989-998 |  26599-989-899 | |
|---|---|---|---|---|---|
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Audio Device Type | Headset | Headset | Conference Audio Hub | Headset | Headset |
| Microphone Type | Condenser | Condenser | N/A | Condenser | Condenser |
| Speaker Type | N/A | N/A | N/A | Active | Active |
| Form Factor | Portable | Desktop | Desktop | Portable | Portable |
| Use Case | Unified Communications / Conference Room / Call Center / Office | Unified Communications / Conference Room / Office | Unified Communications / Conference Room / Meeting Spaces / UC Deployments | Unified Communications | Unified Communications |
| Channel Configuration | Stereo | Stereo | Stereo | Stereo | Stereo |
| Connectivity | USB | USB-C | USB / 3.5mm | USB, Bluetooth | USB / Bluetooth |
| Input Types | USB | USB-C | 3.5mm / USB | USB, Bluetooth | USB / Bluetooth |
| Output Types | USB | USB-C | 3.5mm / USB | USB, Bluetooth | USB / Bluetooth |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | USB-Powered | USB-Powered | USB-Powered | Battery, USB-Powered | Battery / USB-Powered |
| Frequency Response | 80 Hz – 18 kHz (Speaker), 100 Hz – 10 kHz (Microphone) | 150 Hz – 7 kHz | 150 Hz – 7 kHz | 20 Hz – 20 kHz | 20 Hz – 20 kHz |
| Signal Processing | DSP / Noise Suppression / AEC | DSP / Noise Suppression | DSP | DSP, Noise Suppression | DSP / AEC |
| Audio Codecs Supported | N/A | N/A | N/A | SBC, AAC | SBC / AAC |
| Mounting Option | Desktop | Desktop | Desktop | Desktop | Desktop |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
| Wireless Support | No | No | No | Bluetooth | Bluetooth |
| Product Name | Jabra Biz 2400 II USB Duo CC | Jabra Evolve 20 Stereo MS USB-C | Jabra Evolve 40 USB Link Controller (14208-18) | Jabra Evolve2 65 LINK380A UC Stereo Beige (26599-989-998) | Jabra Evolve2 65 Link380c UC Stereo Black |
| Height | 6.89 | 7.87 | N/A | 7.87 | 6.34 |
| Width | 5.59 | 6.89 | N/A | 6.38 | 7.44 |
| Depth | 1.18 | 2.36 | N/A | 2.32 | 2.68 |
| Weight | 0.13 | 0.28 | N/A | 0.40 | 0.41 |
Reviews & Ratings
X
Xavi Mercer
5
Clear dual-ear audio and sturdy design.
Y
Yuri Collins
4
Reliable USB connectivity and noise control.
Z
Zander Ross
4
Comfortable for long support shifts.
A
Ari Fletcher
5
Professional call quality without distortion.
B
Benson Ward
5
Great enterprise headset investment.
Questions & Answers
What connectivity options does the Biz 2400 II USB Duo CC headset offer?
The Biz 2400 II USB Duo CC features a USB-A connection for direct plug-and-play integration with Windows and Mac computers, requiring no additional drivers.
How effective is the noise-cancelling microphone on this headset?
Its precision noise-cancelling microphone filters out background noise down to –26 dB, ensuring crystal-clear speech in busy office and call-center environments.
Is the Biz 2400 II USB Duo CC comfortable for all-day wear?
Yes. It has soft, replaceable leather-feel ear cushions, an adjustable stainless-steel headband and a balanced binaural design for extended comfort.
Can I control calls directly on the headset?
Yes. The in-line call control unit lets you answer, end and mute calls, as well as adjust volume without touching your computer.
Does this headset support stereo audio?
Yes. Its binaural (dual-ear) design delivers true stereo audio for listening to music, training materials and multi-party conferences.
What frequency range does the headset support?
It covers a wideband frequency range of 150–6 800 Hz for voice and 20–20 000 Hz for media playback, delivering professional call clarity and dynamic multimedia sound.
How durable is the Biz 2400 II USB Duo CC?
Manufactured with a robust metal headband core, high-grade plastics and reinforced cables, it withstands heavy daily use in professional environments.
Is the headset compatible with major UC platforms?
Yes. It is certified for Microsoft Teams, Skype for Business and works seamlessly with Zoom, Cisco and other leading soft-phones.
What is the length of the cable on this headset?
It includes a 2 m USB-A cable plus a 1.5 m in-line control cable, providing 3.5 m total length for flexible workstation placement.
Does the Biz 2400 II USB Duo CC include a warranty?
Yes. It comes with a two-year manufacturer’s warranty covering defects in materials and workmanship under normal use.
How do I maintain and clean the ear cushions?
Gently wipe the ear cushions with a damp cloth and mild detergent. Replace them with genuine manufacturer parts every 6–12 months for hygiene.
Is the microphone boom arm flexible and adjustable?
Yes. The stainless-steel boom arm rotates 330° and offers precise positioning for optimal voice pickup and left/right ear adaptation.
What makes this headset suitable for call-center environments?
Its superior noise cancellation, ergonomic design, in-line controls, and UC certifications optimize agent productivity and call quality.
How is the Biz 2400 II USB Duo CC packaged?
Each headset ships in a retail-ready box with a quick-start guide, warranty card and protective ear-cushion covers for transit safety.
Can I use this headset for multimedia and VoIP calls?
Absolutely. Its wideband audio and stereo design support both professional VoIP calls and rich multimedia playback.
Where is the Biz 2400 II USB Duo CC manufactured?
The headset is engineered to Sennheiser’s quality standards and assembled in China under strict quality-control protocols.