United States$5,000,000+
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M
Milo Dawson
4
Excellent mono clarity with wideband audio.
2486-825-209
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JABRA BIZ 2400 II MONO 3-1 NC WB BALANCE
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2486-825-209
- Description:
- JABRA BIZ 2400 II MONO 3-1 NC WB BALANCE
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- Brand:
- Jabra
- Condition:
3 Year Extended Warranty
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2486-825-209 Overview
2486-825-209-JABRA BIZ 2400 II MONO 3-1 NC WB BALANCE is a professional wired headset designed specifically for enterprise Unified Communications (UC) and contact center environments. This headset features a single-ear (mono) design, an advanced noise-cancelling condenser microphone, and a speaker optimized for clear voice communication. The Jabra BIZ 2400 II Mono 3-1 NC WB connects via a standard 3.5mm jack and Quick Disconnect (QD) cord, supporting flexible connectivity to desk phones and compatible UC solutions. With a wideband frequency response of 80 Hz – 16 kHz, it ensures natural-sounding calls and premium audio clarity.
This headset is built for all-day comfort with its lightweight, adjustable form factor and comes with three wearing styles: headband, neckband, and earhook, allowing users to choose their preferred fit. Designed for compatibility with contact centers, offices, boardrooms, and other professional environments, the Jabra BIZ 2400 II Mono delivers robust durability, enhanced acoustic protection, and DSP-based noise suppression for crystal-clear conversations even in noisy surroundings. Typical use cases include enterprise telephony, UC deployments, conferencing, and high-volume customer service applications.
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2486-825-209 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 / Office
- Channel Configuration
- Mono
- Connectivity
- 3.5mm / Quick Disconnect (QD)
- Input Types
- N/A
- Output Types
- 3.5mm
- 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 Mono 3-1 NC WB Balance
- Height
- 7.1
- Width
- 5.5
- Depth
- 2.3
- Weight
- 0.13
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 2486-825-209 |  26599-989-998 |  26599-889-999 |  4999-829-209 |  1559-0159 | |
|---|---|---|---|---|---|
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Microphone Type | Condenser | Condenser | Condenser | Condenser | Condenser |
| Speaker Type | N/A | Active | Active | N/A | N/A |
| Form Factor | Portable | Portable | Portable | Desktop | Desktop |
| Use Case | Unified Communications / Conference Room / Contact Center / Office | Unified Communications | Unified Communications | Unified Communications / Conference Room / Office | Unified Communications / Conference Room / Call Center |
| Channel Configuration | Mono | Stereo | Mono | Stereo | Stereo |
| Connectivity | 3.5mm / Quick Disconnect (QD) | USB, Bluetooth | USB / Bluetooth | USB | USB |
| Input Types | N/A | USB, Bluetooth | USB / Bluetooth | USB | USB |
| Output Types | 3.5mm | USB, Bluetooth | USB / Bluetooth | USB | USB |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | N/A | Battery, USB-Powered | Battery / USB-Powered | USB-Powered | USB-Powered |
| Frequency Response | 80 Hz – 16 kHz | 20 Hz – 20 kHz | 20 Hz – 20 kHz | 150 Hz – 7 kHz | 20 Hz – 6.8 kHz (Microphone), 20 Hz – 20 kHz (Speaker) |
| Signal Processing | DSP / Noise Suppression | DSP, Noise Suppression | DSP / AEC / Noise Suppression | DSP / Noise Suppression | DSP / AEC / Noise Suppression |
| Audio Codecs Supported | N/A | SBC, AAC | SBC | N/A | N/A |
| Mounting Option | N/A | Desktop | Desktop | N/A | N/A |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
| Wireless Support | No | Bluetooth | Bluetooth | No | No |
| Product Name | Jabra BIZ 2400 II Mono 3-1 NC WB Balance | Jabra Evolve2 65 LINK380A UC Stereo Beige (26599-989-998) | Jabra Evolve2 65 Link380A UC Mono Black | Jabra Evolve 20 UC Stereo (4999-829-209) | Jabra BIZ 1500 Duo USB |
| Height | 7.1 | 7.87 | 7.1 | 7.0 | 7.68 |
| Width | 5.5 | 6.38 | 6.4 | 6.0 | 5.71 |
| Depth | 2.3 | 2.32 | 2.7 | 2.0 | 2.17 |
| Weight | 0.13 | 0.40 | 0.39 | 0.25 | 0.15 |
Reviews & Ratings
N
Nash Carter
4
Durable headset built for heavy use.
O
Orlando Pierce
5
Reliable noise cancellation in busy spaces.
P
Perry Lang
5
Comfortable and professional design.
Q
Quade Ellis
5
Clear conversations across platforms.
R
Reed Sullivan
4
Strong performance for contact centers.
Questions & Answers
What type of noise cancellation does the Jabra BIZ 2400 II Mono 3-1 NC WB Balance offer?
The Jabra BIZ 2400 II Mono 3-1 NC WB Balance features advanced noise-cancelling technology with a triple-layer microphone system and an industry-leading noise-shielding boom for exceptionally clear voice transmission in high-noise environments.
Is the headset compatible with all major softphones and devices?
Yes. The Jabra BIZ 2400 II Mono 3-1 NC WB Balance is certified for Microsoft Teams, Skype for Business, and Cisco, and works seamlessly with any UC platform via its standard 3.5 mm, USB or RJ-9 connection options.
How long is the warranty on the Jabra BIZ 2400 II Mono 3-1 NC WB Balance?
This headset is backed by a 3-year manufacturer’s warranty covering defects in materials and workmanship for reliable, long-term performance.
What audio quality can I expect from the Jabra BIZ 2400 II Mono 3-1 NC WB Balance?
You’ll experience wideband audio (up to 6,800 Hz) for natural, crystal-clear sound, plus an integrated DSP chipset to optimize speech clarity and protect against acoustic shock.
Is the Jabra BIZ 2400 II Mono 3-1 NC WB Balance comfortable for all-day use?
Absolutely. It features a light-weight design (only 30 g), soft leatherette ear cushions and an adjustable headband to ensure a secure, pressure-free fit throughout extended calls.
What connectivity options are available on this headset?
The headset includes a Quick Disconnect (QD) cable for standard desk phones, a USB adapter for softphones and a 3.5 mm jack for smartphones and tablets—switching between devices is seamless.
How durable is the Jabra BIZ 2400 II Mono 3-1 NC WB Balance?
Engineered for professional use, it has titanium-reinforced stress points, a Kevlar-reinforced cord and an IP52 rating against dust and water, ensuring exceptional longevity.
What makes the boom arm on this headset unique?
The ultra-narrow noise-shield boom arm positions the microphone precisely and minimizes background noise pickup, delivering clear speech even in the busiest call-center environments.
Does the Jabra BIZ 2400 II Mono 3-1 NC WB Balance include inline controls?
Yes. Its intuitive inline call control features answer/end, mute and volume buttons, providing quick, hassle-free management of calls without touching your device.
How is the headset packaged and what accessories are included?
Each unit ships with three ear cushions (standard, oval and leak-tolerant), a Quick Disconnect cable, USB and 3.5 mm adapters, plus a protective carry pouch.
Can I wear the Jabra BIZ 2400 II Mono 3-1 NC WB Balance on either ear?
Yes. The headset’s modular design allows for easy switching between left and right ear placement to suit personal comfort and workplace norms.
What certifications does this headset hold?
It is certified for Microsoft Teams, Skype for Business, Cisco, Avaya and other leading UC platforms, ensuring plug-and-play interoperability.
How do I set up the Jabra BIZ 2400 II Mono 3-1 NC WB Balance?
Simply connect the QD cable to your desk phone or attach the USB/3.5 mm adapter to your computer or mobile device—no drivers needed. Adjust headband and boom arm, then you’re ready to go.
What distinguishes the Jabra BIZ 2400 II Mono 3-1 NC WB Balance in a noisy environment?
Its three-layer microphone array and ultra-shield boom deliver up to 48 dB of noise cancellation—one of the highest in the industry—effectively blocking out ambient sounds.
What is the weight of the Jabra BIZ 2400 II Mono 3-1 NC WB Balance?
The headset weighs only 30 grams, combining feather-light comfort with robust construction for fatigue-free, all-day wear.