Jabra 4993-823-309 EVOLVE 20SE MS Mono Headset - Wired USB - Over-the-head Monaural - Noise Canceling - Black
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Product Features
Technical Overview
This headset features a 32 Ohm impedance and a frequency response range of 150 Hz to 7 kHz, capturing essential vocal frequencies and low-end tones for natural sound reproduction. The noise-canceling capability actively reduces ambient distractions, while the 94 dB sound pressure level ensures audible volume without distortion.
The wired USB interface provides stable digital audio transmission, eliminating the need for batteries or charging. This direct connection supports consistent data transfer and smooth operation across Windows, macOS, and other USB-compatible platforms.
Relevant factors for this section include Connectivity Technology, Sound Mode, Impedance, Batteries Required. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The EVOLVE 20SE MS Mono combines practical design with professional-grade audio performance to enhance workplace productivity and communication efficiency.
Clear Voice Capture
The boom microphone design positions the mic close to the mouth, ensuring your voice is transmitted loud and clear without picking up excessive background noise.
- Optimized for speech clarity
- Reduces ambient sound interference
Comfortable Wear
The over-the-head supra-aural construction distributes weight evenly, offering a lightweight fit that minimizes pressure during long sessions.
- Lightweight at 5.09 oz (144.30 g)
- Breathable earpads for extended use
Reliable Connectivity
USB wired connectivity delivers uninterrupted audio without latency or dropout issues, making it a dependable choice for critical communications.
- Plug-and-play setup
- No battery dependency
Deployment / Use Cases
This mono headset is tailored for environments where single-ear listening and voice-focused tasks are essential. Its noise-canceling feature and USB interface make it suitable for roles that require concentration and clear dialogue.
Common applications include call centers, customer support desks, financial trading floors, and educational audio labs. The mono audio format is particularly useful in assisted listening systems and setups where stereo sound is unnecessary, ensuring users remain aware of their surroundings while engaged in calls or audio monitoring.
Call Center Operations
Provides clear two-way communication with noise cancellation to handle high-call volumes and busy office backgrounds effectively.
Office and Remote Work
Offers a comfortable, wired solution for video conferences, VoIP calls, and team collaborations without wireless interference or charging concerns.
Physical Profile
The headset features a sleek black finish that blends with professional office decor. Its supra-aural design and adjustable headband ensure a secure fit for various head sizes, while the lightweight construction at 5.09 oz (144.30 g) enhances portability and reduces fatigue.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 5.09 oz (144.30 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Weight
- 5.09 oz (144.30 g)
Highlights
- Mono sound mode optimized for voice communication and situational awareness
- Wired USB connectivity for stable, plug-and-play operation without batteries
- Noise-canceling technology reduces background distractions for focused listening
- Over-the-head monaural design with supra-aural earpads for all-day comfort
- Boom microphone ensures clear voice pickup and efficient headset usage
- Frequency response of 150 Hz to 7 kHz delivers full-spectrum audio clarity
- Lightweight construction at 5.09 oz (144.30 g) for easy portability
- Black color suits professional environments and office setups
Specifications
| Specifications | |
|---|---|
| Manufacturer | Jabra |
| Manufacturer Part Number | 4993-823-309 |
| Brand Name | Jabra |
| Product Line | EVOLVE |
| Product Model | 20SE MS Mono |
| Product Name | EVOLVE 20SE MS Mono |
| Packaged Quantity | 1 |
| Product Type | Headset |
| Technical Information | |
| Connectivity Technology | Wired |
| Sound Mode | Mono |
| Impedance | 32 Ohm |
| Minimum Frequency Response | 150 Hz |
| Maximum Frequency Response | 7 kHz |
| Noise Canceling | Yes |
| Sound Pressure Level | 94 dB |
| Battery Information | |
| Batteries Required | No |
| Earpiece | |
| Earpiece Design | Over-the-head |
| Earpiece Type | Monaural |
| Microphone | |
| Microphone Design | Boom |
| Interfaces/Ports | |
| Host Interface | USB |
| Physical Characteristics | |
| Color Family | Black |
| Color | Black |
| Form Factor | Supra-aural |
| Weight (Approximate) | 5.09 oz (144.30 g) |
| Miscellaneous | |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
Is this headset mono or stereo?
The Jabra EVOLVE 20SE MS Mono is a mono headset, meaning it delivers audio through a single earpiece. This design is ideal for call centers and office use where users need to hear both the call and their surroundings, providing better situational awareness compared to stereo headsets.
What type of connection does this headset use?
This headset uses a wired USB connection. It plugs directly into a computer or compatible device via USB, offering reliable digital audio transmission without the need for batteries or wireless pairing. This ensures consistent performance and easy setup for business communications.
Does this headset have noise cancellation?
Yes, the Jabra EVOLVE 20SE MS Mono features noise-canceling technology. This helps reduce background noise and distractions, allowing you to focus better on calls and conversations in noisy environments like open offices or busy call centers.
What is the wear style of this headset?
This headset has an over-the-head design with supra-aural earpads, meaning the earpads rest on the ears rather than enclosing them. The monaural configuration uses a single earpiece, making it comfortable for extended wear while keeping one ear free to hear ambient sounds.
What is the frequency response range of this headset?
The frequency response ranges from 150 Hz to 7 kHz. This range covers essential vocal frequencies and lower tones, ensuring clear speech reproduction and adequate audio detail for communication purposes, making it well-suited for voice-centric applications.
Does this headset require batteries?
No, this headset does not require batteries. It is powered entirely through the USB connection from your computer or device, eliminating the need for battery replacements or charging. This makes it a low-maintenance option for continuous daily use in professional settings.
| Qty | Price | Available |
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