In-Ear Radio-Powered Communication Solution for Hazardous Locations
The SP1R-IS is a compact, rugged in-ear hearing protection and communication device designed for high-noise environments. Powered directly by the user's two-way radio, it eliminates the need for an internal battery, ensuring efficiency and ease of use.
Featuring Sensear's patented SENS® Technology, the SP1R-IS delivers clear communication in loud conditions, enhancing coordination and safety. Certified by TIA, CSA, and UL, it meets rigorous safety standards for use in hazardous environments.
Users can choose between earpieces with an in-ear microphone for respirator use or a lightweight headset with an external boom mic, providing versatile comfort and functionality for demanding industrial settings.
- Small compact design built into a larger ergonomic PTT button
- Detachable earpiece assembly with two options (earplugs with an in-ear mic or a lightweight headset with earplugs and a noise-canceling boom mic.)
- SENS® Technology (face-to-face communication and 360° situational awareness)
- Disposable foam ear tip for user comfort
- 82 dB(A) in-ear volume limiter
- Clear two-way radio communication in high-noise environments
- Connects to most industry-leading two-way radios via a wired connection
- No battery, the unit is powered by a radio
- The in-ear mic option is ideal for use with respirators and breathing protection devices
- 31dB NRR (Noise Reduction Rating)
- Intrinsically Safe certification: TIA-4950-A, CSA C22.2 No. 157.92, & UL 913 5th Ed
NOTE: We will gladly repair or replace your Sensear product, at our discretion, with one of equal or greater value under our 1-year guarantee. This warranty does not cover abuse, alteration, theft, loss, or unauthorized or unreasonable use of your Sensear product. This warranty does not cover accessories.
General
IP Rating | IP54 | ||
Power | Uses power from a two-way radio battery, a two-way radio cable is required (see datasheet for more information) |
Hearing Protection
Volume limiter | 82 dB(A) [programmable] – only applicable when the headset is powered on | ||
Region | Australia / NZ | USA / Canada | Europe |
Standard | AS/NZS 1270:2002 | ANSI S3.19-1974 / ANSI S12.6-2008 Method B | EN352-2 |
Result | SLC80 | NRR | SNR |
Foam tip | 28dB, Class 5 | 31dB / 29-39dB | 38dB |
Silicone tip | 19dB, Class 5 | 24dB / 21-35dB | 32dB |
Communication
360o Situational Awareness | 95 dB(A) | ||
Voice transmission | Boom microphone – noise canceling (VOX capable) or in-ear microphone | ||
Face-to-Face | SENS® mode (< 95dB) | ||
Two-Way Radio | Radio cable with PTT module (required) |

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Sensear and SENS® Technology
Sensear is a global leader in developing and manufacturing best-in-class digital over-the-ear and in-ear industrial headsets for use with two-way radio and Bluetooth® communication devices.
Sensear's patented SENS® Technology simultaneously enhances speech and suppresses background noise so that users can verbally communicate, protect their hearing, and still maintain 360° situational awareness of their surroundings in noisy environments such as oil & gas, mining, construction, heavy manufacturing, and other industrial workplaces.
Sensear is Redefining Hearing Protection in High-Noise Environments
- Isolates and enhances speech
- Real-time speech separation
- Face-to-face
- Suppresses background noise to a safe level
- Enables speech to be heard above background noise
- 360° Situational Awareness
- Safe Communication
- Hearing Protection
- Isolates and enhances speech
- Real-time speech separation
- Face-to-face
- Suppresses background noise to a safe level
- Enables speech to be heard above background noise
- 360° Situational Awareness
- Safe Communication
- Hearing Protection