Jabra 4993-829-409 Evolve 20SE UC Mono Headset - Wired USB - Over-the-Head Monaural - 32 Ohm - 150 Hz to 7 kHz - Black
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Product Features
Technical Overview
The Evolve 20SE UC Mono operates with a 32 Ohm impedance, matching well with standard USB audio outputs for consistent volume and clarity. Its frequency response spans 150 Hz to 7 kHz, optimized for voice-centric applications where mid-range articulation and speech intelligibility are priorities. The sound pressure level reaches 94 dB, providing ample loudness for call alerts and audio prompts without distortion.
Wired connectivity via USB delivers stable, uninterrupted audio and microphone signals, avoiding wireless interference or battery concerns. The headset requires no batteries, drawing power directly from the USB port for continuous operation. This plug-and-play approach simplifies deployment across large fleets or individual workstations, with no software configuration needed for basic functionality.
Relevant factors for this section include Connectivity Technology, Cable Length, Sound Mode, 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.
Key Product Advantages
The Evolve 20SE UC Mono combines practical design with UC-optimized performance, offering a no-fuss audio solution for professional communication. Its monaural format allows users to stay aware of their surroundings while engaging in calls, ideal for environments where situational awareness is important. The over-the-head fit provides a secure, stable wearing experience that stays in place during movement or long sessions.
Clear Voice Capture
The boom microphone with noise cancellation ensures your voice is transmitted clearly, minimizing background noise for more productive conversations.
- Boom design positions mic close to mouth
- Active noise cancellation filters ambient sound
- Optimized for speech frequency range
Comfortable All-Day Wear
Supra-aural ear cushions and a lightweight frame reduce pressure points, while the adjustable headband accommodates various head sizes.
- Lightweight 5.09 oz construction
- Supra-aural design avoids ear canal pressure
- Adjustable headband for personalized fit
Deployment / Use Cases
This headset is tailored for unified communications environments where reliable voice communication takes priority over multimedia audio. Its mono sound profile and noise-canceling microphone make it particularly effective for call centers, help desks, and customer service roles where agents need to focus on conversation clarity while maintaining awareness of their workspace.
The USB connectivity and lack of batteries make it ideal for fixed workstation deployments in offices, reception areas, or shared workspaces. IT managers appreciate the simplified setup—just plug into any USB port—and the durable construction withstands daily professional use. Remote workers benefit from the consistent performance without wireless pairing or charging interruptions, ensuring readiness for back-to-back video conferences and voice calls.
Contact Center Operations
Provide agents with clear two-way audio and noise reduction for high-call-volume environments, enhancing customer interaction quality.
Professional Home Office
Deliver reliable UC performance for remote workers using platforms like Microsoft Teams, Zoom, or Cisco Jabber, with comfortable extended wear.
Physical Profile
The headset features a sleek black finish that blends with professional office aesthetics. Its over-the-head monaural design positions a single earpiece on the left or right side, with a padded headband that distributes weight evenly. The supra-aural ear cushion sits comfortably on the ear without deep insertion, and the 3.1 ft USB cable provides sufficient reach for most desk configurations without excess slack.
- Weight
- 5.09 oz (144.30 g)
- Length
- 3.1 ft (0.95 m)
Highlights
- Monaural over-the-head design for clear audio with ambient awareness
- Wired USB connectivity for plug-and-play compatibility with UC platforms
- Boom microphone with noise cancellation for crisp voice transmission
- 32 Ohm impedance optimized for USB audio outputs
- Frequency response of 150 Hz to 7 kHz focused on speech clarity
- No batteries required—powers directly from USB port
- Supra-aural ear cushions for comfortable all-day wear
- 3.1 ft cable provides practical desk-range mobility
- Black color suits professional office environments
- Lightweight construction at 5.09 oz reduces wearing fatigue
Specifications
| Specifications | |
|---|---|
| Manufacturer | Jabra |
| Manufacturer Part Number | 4993-829-409 |
| Brand Name | Jabra |
| Product Line | EVOLVE |
| Product Model | 20SE UC Mono |
| Product Name | Evolve 20SE UC Mono |
| Packaged Quantity | 1 |
| Product Type | Headset |
| Technical Information | |
| Connectivity Technology | Wired |
| Cable Length | 3.1 ft (0.95 m) |
| 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 |
User Manual
FAQ
Is this headset mono or stereo?
The Jabra Evolve 20SE UC Mono is a monaural (mono) headset, meaning it delivers audio through a single earpiece. This design is ideal for unified communications where clear voice transmission and situational awareness are priorities, as it keeps one ear open to hear ambient sounds while engaging in calls.
What type of connection does this headset use?
This headset uses a wired USB connection for both audio and microphone signals. The USB interface provides plug-and-play compatibility with computers, laptops, and UC devices without requiring additional drivers or external power adapters, ensuring stable performance in professional environments.
Does this headset have noise cancellation?
Yes, the Evolve 20SE UC Mono features active noise cancellation on its boom microphone. This technology helps filter out background environmental sounds, such as office chatter or keyboard noise, resulting in clearer voice transmission during calls and conferences.
What is the wearing style of this headset?
This headset uses an over-the-head monaural design. The headband rests over the top of the head with a single supra-aural earpiece that sits on the ear rather than inside the ear canal. This style provides a secure fit that stays in place during movement while maintaining comfort for extended wear.
How long is the cable on this headset?
The headset includes a 3.1 ft (0.95 m) USB cable. This length offers practical mobility for most desk setups, allowing users to move comfortably within their workspace without excessive cable slack or restriction, ideal for office and home office environments.
Does this headset require batteries?
No, the Evolve 20SE UC Mono does not require batteries. It draws power directly from the USB port of the connected device, enabling continuous operation without battery replacements or charging interruptions. This makes it a reliable choice for all-day use in professional settings.
| Qty | Price | Available |
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