Cyber Acoustics AC-840 USB Mono Headset - Over-the-Head Design - Noise-Cancelling Unidirectional Boom Mic - In-Line Volume/Mute Controls - 7 ft Cable
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
The AC-840 headset features a 1.18" (30 mm) driver that delivers a frequency response range of 20 Hz to 20 kHz, covering the full spectrum of human hearing for clear voice and audio reproduction. Its 32 Ohm impedance ensures efficient power usage and compatibility with standard USB audio outputs, providing stable performance without requiring external amplification.
The wired USB interface offers a reliable, low-latency connection that eliminates the need for batteries or charging, making it a dependable choice for continuous use. The 7 ft (2.13 m) cable provides ample reach for flexible desk setups, allowing users to move comfortably within their workspace while staying connected.
Relevant factors for this section include Connectivity Technology, Cable Length, Impedance, Earpiece Design. 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 Cyber Acoustics AC-840 stands out with its combination of professional-grade microphone technology, user-friendly controls, and broad device compatibility. Its unidirectional noise-cancelling microphone isolates your voice from ambient sounds, enhancing communication clarity in noisy environments like open offices or home workspaces.
In-Line Controls
Convenient in-line remote puts volume adjustment and mute functions at your fingertips, allowing quick adjustments during calls without interrupting your workflow.
- Volume Control
- Mute Toggle
Ambidextrous Design
The boom arm can be positioned on either side of the headset, accommodating left- or right-handed users for optimal microphone placement and comfort.
- Left or Right Side Use
- Flexible Positioning
Environmental Compliance
Manufactured in compliance with RoHS (Restriction of Hazardous Substances) standards, this headset meets environmental regulations for safer electronics.
- RoHS Compliant
- Switzerland Origin
Deployment / Use Cases
The AC-840 USB Mono Headset is versatile enough for various professional and educational scenarios where reliable voice communication is essential. Its plug-and-play USB connectivity makes deployment straightforward across different platforms, reducing setup time and technical complexity.
In call center environments, the noise-cancelling microphone ensures agent voices remain clear despite background office noise, improving customer interaction quality. For remote workers and telecommuters, the comfortable over-the-head design and in-line controls support all-day productivity during video conferences and VoIP calls. Educational institutions can deploy these headsets for language labs, online testing, or virtual classrooms where clear audio input and output are necessary for effective learning.
Business Communication
Ideal for customer service desks, help desks, and office environments where consistent audio quality supports professional interactions.
- Call Centers
- Office VoIP
- Team Collaboration
Remote & Hybrid Work
Supports remote employees with reliable USB connectivity and noise reduction for clear meetings and calls from home offices.
- Video Conferencing
- Telecommuting
- Virtual Meetings
Highlights
- Wired USB connectivity for plug-and-play simplicity across PCs, Macs, and Chromebooks
- Noise-cancelling unidirectional boom microphone minimizes background noise for clear voice transmission
- In-line remote with volume control and mute toggle for convenient call management
- Over-the-head monaural design with adjustable headband for comfortable extended wear
- 1.18" (30 mm) driver delivers full 20 Hz-20 kHz frequency response for clear audio
- Ambidextrous boom arm can be positioned on left or right side for flexible use
- Leatherette ear pads provide cushioning and help block ambient sound
- 7 ft (2.13 m) cable offers ample reach for flexible workstation setups
- RoHS compliant manufacturing meets environmental standards for safer electronics
- Made in Switzerland with quality construction for reliable performance
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cyber Acoustics, LLC |
| Manufacturer Part Number | AC-840 |
| Brand Name | Cyber Acoustics |
| Product Model | AC-840 |
| Product Name | AC-840 USB Mono Headset |
| Product Type | Headset |
| Technical Information | |
| Connectivity Technology | Wired |
| Cable Length | 7 ft (2.13 m) |
| Impedance | 32 Ohm |
| Minimum Frequency Response | 20 Hz |
| Maximum Frequency Response | 20 kHz |
| Features | Adjustable Headband,In-line Remote |
| Earpiece | |
| Earpiece Design | Over-the-head |
| Earpiece Type | Monaural |
| Driver Size | 1.18" (30 mm) |
| Microphone | |
| Microphone Design | Boom |
| Microphone Technology | Noise Cancelling,Uni-directional |
| Integrated Microphone | Yes |
| Interfaces/Ports | |
| Host Interface | USB |
| Miscellaneous | |
| Compatibility | PC's, Macs, Chromebooks, Microsoft Surface, and USB equipped tablets and laptops |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Country of Origin | Switzerland |
User Manual
FAQ
What type of audio does the AC-840 headset provide?
The Cyber Acoustics AC-840 delivers monaural (mono) audio, meaning it uses a single earpiece for sound output. This format is ideal for voice-focused applications like calls and conferences where stereo separation isn't necessary, allowing users to maintain awareness of their surroundings while listening.
How does the noise-cancelling microphone work?
The AC-840 features a unidirectional noise-cancelling boom microphone that focuses on capturing sound from directly in front of it while reducing background noise from other directions. This technology uses acoustic design and filtering to minimize ambient sounds like keyboard clicks or office chatter, ensuring your voice comes through clearly during calls.
What devices are compatible with this USB headset?
This headset is compatible with any device that has a USB port and supports USB audio, including Windows PCs, macOS computers, Chromebooks, Microsoft Surface tablets, and various USB-equipped laptops and tablets. It operates as a plug-and-play device without requiring additional drivers on most modern operating systems.
Can the boom microphone be used on either side?
Yes, the AC-840 features an ambidextrous boom arm that can be positioned on either the left or right side of the headset. This flexibility allows both left- and right-handed users to position the microphone optimally for their speaking style and comfort preferences.
What controls are available on the headset?
The headset includes an in-line remote on the cable with both volume control and a mute toggle. These controls allow you to adjust audio levels and quickly mute the microphone during calls without needing to access software settings on your connected device.
Is the AC-840 suitable for all-day wear?
Yes, with its adjustable headband, over-the-head design, and leatherette ear pads, the AC-840 is designed for comfort during extended use. The lightweight construction and padded elements reduce pressure points, making it appropriate for call center shifts, remote workdays, or long training sessions where continuous wear is required.