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Excellent Evolve 40 performance. The busy light is a great feature for reducing office interruptions.
6399-823-109
JABRA EVOLVE 40 MS STEREO
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6399-823-109
JABRA EVOLVE 40 MS STEREO
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6399-823-109-JABRA EVOLVE 40 MS STEREO is a professional stereo headset designed for unified communications (UC) and optimized for Microsoft Skype for Business. This audio device integrates a high-quality condenser microphone and stereo speakers, providing clear voice transmission and immersive sound. The Jabra Evolve 40 MS Stereo connects via USB-A for digital audio and features a 3.5mm jack for mobile device compatibility. Its frequency response ranges from 20 Hz to 20 kHz for speakers and 100 Hz to 10 kHz for the microphone, delivering full-spectrum audio suitable for calls and multimedia. The headset incorporates DSP (Digital Signal Processing), AEC (Acoustic Echo Cancellation), and noise cancellation, ensuring clear communication in open office environments.
This headset's plug-and-play USB connection offers seamless integration with softphones and major UC platforms, while the 3.5mm jack adds versatility for mobile phone use. The Evolve 40 MS Stereo is suitable for use in conference rooms, meeting spaces, remote workstations, and UC deployments. It features on-ear controls for call management and has a busy light indicator to reduce interruptions during calls. Designed for portability with a desktop form factor, this headset is lightweight, comfortable, and tailored for professional environments where reliable, high-quality audio input and output are necessary.
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 6399-823-109 |  26599-889-899 |  24089-889-899 |  2399-823-189 |  5578-230-309 | |
|---|---|---|---|---|---|
| Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
| Audio Device Type | Headset | Headset | Headset | Headset | Headset |
| Microphone Type | Condenser | Condenser | MEMS | Condenser | Condenser |
| Speaker Type | N/A | Active | Active | N/A | N/A |
| Form Factor | Portable | Portable | Portable | Desktop | Portable |
| Use Case | Unified Communications / Conference Room / Meeting Spaces / Remote Work | Unified Communications | Unified Communications / Conference Room / Office / Remote Work | Unified Communications / Conference Room / Call Center / Meeting Space | Unified Communications / Conference Room / Remote Work / Meeting Spaces |
| Channel Configuration | Stereo | Mono | Mono | Stereo | Mono |
| Connectivity | USB / 3.5mm | USB-C / Bluetooth | USB-C | USB-C | Bluetooth / USB |
| Input Types | USB / 3.5mm | USB / Bluetooth | USB-C | USB-C | USB / Bluetooth |
| Output Types | USB / 3.5mm | Speaker / USB | USB-C | USB-C | Bluetooth / USB |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | USB-Powered | Battery / USB-Powered | USB-Powered | USB-Powered | Battery / USB-Powered |
| Frequency Response | 20 Hz – 20 kHz (speaker); 100 Hz – 10 kHz (microphone) | 20 Hz – 20 kHz (music), 100 Hz – 8 kHz (speak) | 20 Hz – 20 kHz (Speaker), 100 Hz – 8 kHz (Microphone) | 100 Hz – 10 kHz | 100 Hz – 10 kHz |
| Signal Processing | DSP / AEC / Noise Suppression | DSP / AEC / Noise Suppression | DSP / AEC / Noise Suppression | DSP / Noise Suppression | DSP / AEC / Noise Suppression |
| Audio Codecs Supported | N/A | SBC / AAC | N/A | N/A | SBC |
| Mounting Option | Desktop | Desktop | N/A | Desktop | N/A |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
| Wireless Support | No | Bluetooth | No | No | Bluetooth |
| Product Name | Jabra Evolve 40 MS Stereo (6399-823-109) | Jabra Evolve2 65 Link380c UC Mono Black | Jabra Evolve2 40 USB-C UC Mono | Jabra BIZ 2300 Duo USB-C MS (2399-823-189) | Jabra Stealth UC MS Bluetooth Headset (5578-230-309) |
| Height | 6.3 | 6.38 | 7.7 | 6.97 | 2.56 inches |
| Width | 7.1 | 7.08 | 6.1 | 7.24 | 0.61 inches |
| Depth | 2.3 | 2.44 | 2.2 | 2.36 | 0.95 inches |
| Weight | 0.37 | 0.34 | 0.42 | 0.11 | 0.25 lbs |
Excellent Evolve 40 performance. The busy light is a great feature for reducing office interruptions.
High-quality MS Stereo audio. The 3.5mm jack adds great versatility for use with mobile devices.
Comfortable and reliable. Perfect for all-day use and the microphone quality is exceptionally clear.
Great office headset. The passive noise cancellation is effective and the MS integration is seamless.
Robust and dependable. The audio is crisp for calls and the build quality is professional.
The Jabra Evolve 40 MS Stereo is a professional wired USB and 3.5 mm headset optimized for clear stereo calls and music, featuring a noise-canceling microphone and Microsoft Skype for Business certification.
“MS” indicates Microsoft Skype for Business certification, ensuring seamless integration, plug-and-play connectivity and presence indication with Microsoft collaboration platforms.
Yes. The headset is fully certified for Microsoft Teams, providing click-to-join functionality, call controls and on-device presence lights for streamlined communication.
The noise-canceling unidirectional microphone blocks up to 80% of background noise, delivering crystal-clear voice quality in open-office and home environments.