Mammut Barryvox Avalanche Beacon



The Barryvox S has all the features needed to allow both novices and professionals to quickly find buried subjects in any situation - greater range, simple user navigation and a fast, direct search path."

Powerful, easy and fast

With a search strip width of 70 meters, the Barryvox® is one of the best devices in the world. We know that only an avalanche transceiver that is easy to use will save lives in an emergency, so we made fundamental improvements to the user-friendliness of the Barryvox®.

Digital/analog combo device with 3 antennas
Weight including batteries [g]210
Digital/analog combo device with three antennas. The new Barryvox® S has a large receiving bandwidth and an effective search strip width of 70 meters. It offers users a large, simple interface and intuitive operation. The Smart Search function provides clear instructions thanks to a simple operating concept and quick, precise searching. The Barryvox® S includes the Rescue SEND function to protect non-searching rescuers. In the event of a secondary avalanche, the device automatically switches to SEND in order to locate buried rescuers. The Barryvox® S is also equipped with a Smart Search function, which interacts with the actions of searching rescuers.

27 mm

W-Link frequency
916-926 MHz

67 mm

115 mm

Battery life
Alkaline: around 300 hours
Lithium: around 400 hours

Batteries included

Sending frequency
457 kHz

Analog search strip width
100 m

Digital search strip width
70 m

Buried subject markingmark|unmark

EN standards
EN 300718

2-year warranty; additional 3-year Mammut guarantee if registered year

Battery type
Alkaline and lithium 3 x AAA 1.5 volt

Made in Switzerland
100% Made in Switzerland, produced and developed in Switzerland

Effective digital search strip width: 70 meters
Digital receiving range: 70 meters
Extended search range: extended receiving bandwidth (analog): up to 95 m; Extended search strip width (analog): 100 m
Circular receiving field: almost identical receiving range for X and Y antennas
Lithium-enabled: also works with lithium batteries: Less risk of leakage. More stable in low temperatures. Longer battery life (350 hours SEND)
Display: display with background lighting, very easy to read even when wearing polarized glasses
Acoustic search guidance: allows the rescuer to visually search the avalanche field
Reverse direction function to avoid 180-degree search errors
Group test with clear instructions
Visual interface: shows distance, direction and number of buried subjects
Design: ergonomic, impact-proof and break-proof. Can be operated while wearing gloves
Device tests: automatic self-test and function test
Smart search interacts with rescuer`s action during the search, making searching simpler and more reliable
Multiple buried subjects: digital signal processing in the event of several buried subjects
Buried subjects can be selected from a list, marked (MARK) and unmarked (UNMARK)
Automatic switching from send to search (Auto Revert): if a rescuer does not move for 4 minutes, we assume a secondary avalanche and the device switches to SEND mode (motion-sensor controlled)
Rescue SEND: Protective function for non-searching rescuers. In the event of a secondary avalanche it automatically switches to SEND to allow the rescuer to be located
Auto guidance: device continues to guide the rescuer to the buried subject in the event of signal failures or overlaps
Vital data: 3D sensor helps the rescuer concentrate his or her resources on the buried subjects with the highest chance of survival
Advanced search settings: individually configurable search settings: pro search, acoustic and visual guidance; automatic switching from search to send (Auto Revert)
Alternative search mode (analog mode) helps in resolving demanding search scenarios
Personalization: start screen and user texts (for example, owner information) can be personalized
Attachment: includes highly functional Barryvox carrying system
W-Link: Additional communication channel for improved search performance
Manage the device fleet via W-Link
updatable software
Operating temperature: -25° to +45° Celsius (-13° to +113° Fahrenheit)

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