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Reliable entry-level MS Mono headset. Clear audio and easy setup. Perfect for large-scale office deployments.
4993-823-109
JABRA EVOLVE 20 MS MONO
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4993-823-109
JABRA EVOLVE 20 MS MONO
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4993-823-109-JABRA EVOLVE 20 MS MONO is a professional USB mono headset designed specifically for unified communications and Microsoft Skype for Business environments. As a headset with integrated microphone and single on-ear speaker, it delivers optimized audio for both speech and VoIP applications. Featuring a plug-and-play USB-A connection, the Evolve 20 MS Mono is engineered for easy deployment and seamless compatibility with UC platforms, conferencing systems, and softphone solutions.
This device utilizes a noise-cancelling condenser microphone and a high-quality mono speaker for clear, interference-free conversations. With a frequency response ranging from 150 Hz to 7 kHz (wideband), it provides reliable and intelligible audio for calls and conferencing. The headset incorporates DSP-based noise suppression and echo cancellation (AEC) to enhance clarity, making it ideal for use in boardrooms, open office environments, call centers, and meeting spaces requiring consistent communication performance.
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 4993-823-109 |  2409-720-209 |  26599-989-898 |  4993-829-409 |  9559-553-111 | |
|---|---|---|---|---|---|
| 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 | Noise Cancelling / N/A | Boom / Noise-Cancelling / N/A |
| Speaker Type | N/A | N/A | Active | N/A | Active |
| Form Factor | Portable | Desktop | Portable | Desktop | Portable |
| Use Case | Unified Communications / Conference Room / Meeting Spaces / Call Center | Conference Room / Unified Communications / Call Center / Meeting Space | Unified Communications / Conference Room / Office | Unified Communications / Conference Room / Meeting Space / Office | Conference Room / Unified Communications / Office / Call Center |
| Channel Configuration | Mono | Stereo | Stereo | Mono | Stereo |
| Connectivity | USB | Quick Disconnect (QD) | Bluetooth / USB / 3.5mm | USB | USB / RJ-9 / DECT Wireless |
| Input Types | USB | N/A | USB / Bluetooth / 3.5mm | USB | USB / RJ-9 |
| Output Types | USB / 3.5mm | N/A | USB / Bluetooth / 3.5mm | N/A | USB / RJ-9 |
| Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
| Power Source | USB-Powered | N/A | Battery / USB-Powered | USB-Powered | Battery / AC Adapter (base station) |
| Frequency Response | 150 Hz – 7 kHz | 80 Hz – 16 kHz | 20 Hz – 20 kHz | 150 Hz – 7 kHz (Speaker), 100 Hz – 10 kHz (Microphone) | 40 Hz – 16 kHz (Speaker), 100 Hz – 7 kHz (Microphone) |
| Signal Processing | DSP / AEC / Noise Suppression | DSP / Noise Suppression | DSP / Noise Suppression / AEC | DSP | DSP / Noise Suppression |
| Audio Codecs Supported | N/A | N/A | SBC / AAC | N/A | N/A |
| Mounting Option | N/A | N/A | N/A | Desktop | N/A |
| Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
| Wireless Support | No | No | Bluetooth | No | DECT |
| Product Name | Jabra Evolve 20 MS Mono | Jabra BIZ 2400 II Duo UNC QD (2409-720-209) | Evolve2 65 UC Stereo Headset | Jabra Evolve 20 SE Mono UC Leatherette | Jabra Engage 65 Stereo - Headset (9559-553-111) |
| Height | 6.46 | 7.6 | 7.2 inches | 6.89 | 7.32 |
| Width | 7.36 | 5.8 | 6.3 inches | 5.71 | 6.38 |
| Depth | 2.32 | 2.1 | 2.6 inches | 2.28 | 2.62 |
| Weight | 0.22 | 0.12 | 0.42 lbs | 0.23 | 0.18 |
Reliable entry-level MS Mono headset. Clear audio and easy setup. Perfect for large-scale office deployments.
Durable and lightweight. The Evolve 20 provides professional microphone quality for a very reasonable price.
Solid performance for daily calls. MS integration is plug-and-play. A dependable, cost-effective solution.
Simple and effective. Provides the audio clarity needed for professional voice communication without extra bulk.
Good value. This monaural headset is reliable and the inline controller is very practical for users.
The Jabra Evolve 20 MS Mono offers USB-A plug-and-play connectivity, a noise-cancelling microphone, wideband audio, inline call controls, single-ear design, Microsoft Teams certification and memory foam ear cushions for all-day comfort.
Yes, the Jabra Evolve 20 MS Mono is Microsoft Teams certified, featuring a dedicated Teams button and guaranteed compatibility for seamless meeting joins and call controls.
Simply plug the USB-A connector into your Windows or Mac computer’s USB port—no additional drivers are required. The headset is instantly recognized for audio and call control.
Yes. Its professional noise-cancelling microphone filters out background noise for crystal-clear voice calls, making it ideal for busy office or home environments.