Andrea C1-1022100-25 NC-181M Mono Headset - Wired - Over-the-Head Circumaural - 32 Ohm - 50 Hz-20 kHz - Boom Mic - 8 ft Cable
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
This headset operates in mono sound mode, delivering audio through a single channel for compatibility with mono jack systems commonly found in professional audio/visual labs, assisted listening setups, and telecommunication environments. The 1.57" (40 mm) drivers are engineered to produce detailed sound with deep bass response, enhancing both voice clarity and audio fidelity.
Connectivity is handled via a wired Mini-phone (3.5mm) host interface, ensuring reliable and consistent performance without wireless interference. The headset includes active noise cancellation technology, which filters ambient noise to maintain clear audio during calls or listening sessions.
Relevant factors for this section include Connectivity Technology, Cable Length, Sound Mode, 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 NC-181M combines durable construction with user-focused features to support extended wear and reliable performance in professional settings.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Enhanced Comfort & Fit, Clear Voice Capture.
Enhanced Comfort & Fit
The adjustable headband and reversible earpiece design allow for personalized fit and all-day comfort. The circumaural form factor fully encloses the ears, providing effective passive noise isolation and reducing fatigue during long sessions.
- Adjustable Headband
- Reversible Design
- Circumaural Enclosure
Clear Voice Capture
The boom microphone is positioned to capture voice accurately while minimizing background noise. This design is optimized for voice recognition systems and clear communication in noisy environments.
- Boom Microphone
- Noise Canceling
- Voice Recognition Ready
Deployment / Use Cases
This mono headset is specifically designed for environments where stereo audio is not required or where compatibility with mono audio systems is essential. Its wired connectivity and robust build make it suitable for fixed installations and professional setups.
Common applications include audio/visual laboratories, assisted listening systems, call centers, dispatch operations, and educational facilities. The headset's noise cancellation and clear microphone performance also make it effective for teleconferencing and remote communication tasks where voice clarity is critical.
Relevant factors for this section include Connectivity Technology, Cable Length, Sound Mode, 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.
Highlights
- Wired mono headset with Mini-phone (3.5mm) connector for reliable connectivity
- Over-the-head circumaural design for comfort and effective noise isolation
- 32 Ohm impedance and 50 Hz-20 kHz frequency response for clear audio reproduction
- Boom microphone with noise cancellation for crisp voice capture
- Adjustable headband and reversible earpiece for personalized fit
- 1.57" (40 mm) drivers deliver deep bass and detailed sound
- 8 ft cable provides ample reach for flexible workstation setups
- Ideal for audio/visual labs, assisted listening systems, and mono jack environments
Specifications
| Specifications | |
|---|---|
| Manufacturer | Andrea Communications LLC |
| Manufacturer Part Number | C1-1022100-25 |
| Brand Name | Andrea |
| Product Name | NC-181M On-Ear Mono (Monaural) Headset |
| Product Type | Headset |
| Technical Information | |
| Connectivity Technology | Wired |
| Cable Length | 8 ft (2.44 m) |
| Sound Mode | Mono |
| Impedance | 32 Ohm |
| Minimum Frequency Response | 50 Hz |
| Maximum Frequency Response | 20 kHz |
| Noise Canceling | Yes |
| Features | Comfortable,Adjustable Headband,Reversible,Deep Bass,Voice Recognition |
| Earpiece | |
| Earpiece Design | Over-the-head |
| Earpiece Type | Monaural |
| Driver Size | 1.57" (40 mm) |
| Microphone | |
| Microphone Design | Boom |
| Interfaces/Ports | |
| Host Interface | Mini-phone (3.5mm) |
| Physical Characteristics | |
| Form Factor | Circumaural |
| Warranty | |
| Limited Warranty | 1 Year |
User Manual
FAQ
What type of audio output does this headset provide?
The Andrea NC-181M delivers mono (monaural) audio, meaning sound is output through a single channel. This makes it compatible with systems and equipment designed for mono audio, such as certain professional audio/visual setups, assisted listening devices, and telecommunication systems that use mono jacks.
How is this headset connected to devices?
This headset uses a wired connection with a Mini-phone (3.5mm) host interface. It comes with an 8 ft (2.44 m) cable, providing a reliable physical link that avoids wireless interference and ensures consistent audio performance for stationary workstations or fixed installations.
Does this headset include noise cancellation?
Yes, the NC-181M features noise cancellation technology. This helps filter out ambient background noise during both listening and microphone use, resulting in clearer audio playback and more intelligible voice transmission in environments with surrounding noise.
What is the frequency response range of this headset?
The frequency response ranges from 50 Hz to 20 kHz. This range covers essential low-end tones and high-frequency details, ensuring accurate reproduction of voices and audio content. The 32 Ohm impedance supports efficient power usage with common audio devices.
Is the microphone designed for clear voice capture?
Yes, the headset includes a boom microphone that is positioned to capture voice directly while minimizing pickup of ambient sounds. This design, combined with noise cancellation, optimizes voice clarity for calls, recordings, and voice recognition applications.
What warranty coverage is provided with this headset?
The Andrea NC-181M comes with a 1-year limited warranty from the manufacturer. This covers defects in materials and workmanship under normal use, providing assurance of quality and reliability for professional and institutional deployments.