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4993-823-109
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JABRA EVOLVE 20 MS MONO
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
4993-823-109
- Description:
- JABRA EVOLVE 20 MS MONO
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Jabra
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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4993-823-109 Overview
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 Specifications
- Product Type
- Audio Equipment
- Brand
- Jabra
- Audio Device Type
- Headset
- Microphone Type
- Condenser
- Form Factor
- Portable
- Use Case
- Unified Communications / Conference Room / Meeting Spaces / Call Center
- Channel Configuration
- Mono
- Connectivity
- USB
- Input Types
- USB
- Output Types
- USB / 3.5mm
- Power Source
- USB-Powered
- Frequency Response
- 150 Hz – 7 kHz
- Signal Processing
- DSP / AEC / Noise Suppression
- Control Interface
- Physical Buttons
- Wireless Support
- No
- Product Name
- Jabra Evolve 20 MS Mono
- Height
- 6.46
- Width
- 7.36
- Depth
- 2.32
- Weight
- 0.22
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Product Comparison Table 
| 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 |
| 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 |
| 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 |
| 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 |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
U
Uriah Sterling
4
Reliable entry-level MS Mono headset. Clear audio and easy setup. Perfect for large-scale office deployments.
V
Violet Morton
5
Durable and lightweight. The Evolve 20 provides professional microphone quality for a very reasonable price.
W
Wallace Briggs
5
Solid performance for daily calls. MS integration is plug-and-play. A dependable, cost-effective solution.
X
Xanthe Wells
4
Simple and effective. Provides the audio clarity needed for professional voice communication without extra bulk.
Y
Yancy Gray
5
Good value. This monaural headset is reliable and the inline controller is very practical for users.
Questions & Answers
What are the key features of the Jabra Evolve 20 MS Mono?
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.
Is the Jabra Evolve 20 MS Mono compatible with Microsoft Teams?
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.
How do I connect the Jabra Evolve 20 MS Mono to my computer?
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.
Does the Jabra Evolve 20 MS Mono offer noise cancellation?
Yes. Its professional noise-cancelling microphone filters out background noise for crystal-clear voice calls, making it ideal for busy office or home environments.
What is the difference between the mono and stereo versions?
The mono version delivers audio to one ear, boosting situational awareness, while the stereo version provides immersive dual-ear sound. Both share the same noise-cancelling mic and inline controls.
Can I use the Jabra Evolve 20 MS Mono with other softphones?
Yes. The Jabra Evolve 20 MS Mono is compatible with all major softphones (Zoom, Cisco Webex, Avaya, Skype for Business), offering plug-and-play operation and full call control.
How do I adjust the volume on the Jabra Evolve 20 MS Mono?
Use the inline control unit: press the “+” or “–” buttons to increase or decrease volume. Mute and answer/end call functions are also available on the same module.
What warranty does the Jabra Evolve 20 MS Mono include?
Jabra offers a two-year manufacturer’s warranty covering defects in materials and workmanship, ensuring reliable performance and peace of mind.
Is the Jabra Evolve 20 MS Mono comfortable for all-day use?
Yes. Its adjustable headband, lightweight design and plush memory foam ear cushion ensure ergonomic comfort during extended calls and meetings.
What is included in the Jabra Evolve 20 MS Mono package?
The package includes the Jabra Evolve 20 MS Mono headset, USB-A cable with inline controls, quick start guide and two-year warranty documentation.
How durable is the Jabra Evolve 20 MS Mono headset?
Constructed with reinforced components and robust materials, the Jabra Evolve 20 MS Mono is built for daily professional use and offers long-term reliability.
Does the Jabra Evolve 20 MS Mono support call control?
Yes. The inline control unit lets you answer/end calls, mute the microphone and adjust volume directly from the cable, streamlining communication workflows.
How effective is the noise-cancelling microphone in busy environments?
The Jabra Evolve 20 MS Mono’s directional noise-cancelling mic reduces up to 80% of background noise, delivering clear voice pickup even in open offices or cafés.
Can I replace the ear cushion on the Jabra Evolve 20 MS Mono?
Yes. The memory foam ear cushion is user-replaceable—spare parts are available through Jabra or authorized resellers to maintain long-term comfort.
What cable length does the Jabra Evolve 20 MS Mono provide?
The headset features a 1.8 meter USB-A cable, offering ample reach for desktop use and flexibility in office setups.
What operating systems are supported by the Jabra Evolve 20 MS Mono?
The Jabra Evolve 20 MS Mono supports Windows 7 or later and macOS 10.10 or later. No drivers are required for basic audio and call control functionality.