Why We Like The Barryvox Beacon
We backcountry skiers and splitboarders should know beacons like we know the back of our gloves, so Mammut designed the Barryvox Beacon with an incredibly intuitive design so we can master it quickly. It features a single switch, single button, and separate flagging button for simple, reliable handling that we got the hang of after a few beacon drills. With a triple antenna, the Barrvox boasts an impressive 70-meter digital range that's just as large as most top-end beacons out there.
The Barryvox shows distance, direction, and number of burial victims in an easy-to-see, goggle-friendly display. In search mode, the Barryvox automatically switches back into send mode if the beacon's been still for four minutes, just in case we get in an accident while looking for a victim. Mammut included alkaline batteries and a carry case that keeps the beacon close to your chest.
Details
- Intuitive beacon for backcountry skiers and splitboarders
- Triple antenna boasts an extended 70-meter digital range
- Easy-to-see display shows distance, direction, and victim number
- Auto switch from search to send after not moving for four minutes
- Group and self tests with clear instructions
- Item #MAM00XO
- Antennas
- triple
- Digital Range
- 70m
- Batteries Included
- 3 AAA
- Battery Life
- [alkaline] 300 hours in send mode
- Harness Included
- yes
- Claimed Weight
- 7.5oz
- Manufacturer Warranty
- 2 year
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 416 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.Here's what customers have to say
The avalanche beacon is widely praised for its ease of use, reliability, and excellent range. Reviewers describe it as simple, intuitive, and comfortable to wear, making it suitable for both experienced and beginner users. The beacon is known for its accurate signal detection, long battery life, and durable construction. Many professionals and guides trust the beacon to perform well in emergency situations, providing peace of mind and confidence when venturing into the backcountry.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageOctober 5, 2025
Beep Beep
Its beeps when its supposed to and doesn’t when it’s not supposed to

Originally reviewed on ExpertVoice.com
October 2, 2025
Reliable life saving device.
Cannot leave the trailhead without this. Tried and true device that works every time.

Originally reviewed on ExpertVoice.com
September 28, 2025
Gold standard of beacons
This beacon is great both for experts and those learning to safely navigate the backcountry. Super compatible with anything else I've encountered, and super user-friendly and easy-to-read display.

Originally reviewed on ExpertVoice.com
September 27, 2025
I’ve used this beacon extensively in the backcountry of colorado and it has always worked exactly as needed. The battery life is excellent, even after a full season of use (25+ days) I’m well over 50%. Using it in rescue courses, the readings are clear and intuitive throughout the search distances. It fits nicely in the chest pocket of my bibs and for the most part isn’t too noticeable during activity.

Originally reviewed on ExpertVoice.com
September 24, 2025
This is a great avalanche beacon. Easy to figure out / intuitive. And seems to mitigate the risk of accidentally switching modes at the wrong time.

Originally reviewed on ExpertVoice.com
September 24, 2025
Not the best ergonomics, but overall happy with the purchase

Originally reviewed on ExpertVoice.com
September 22, 2025
Da Bomb
Great transceiver, used daily skiing the ridge at Bridger Bowl here in montana

Originally reviewed on ExpertVoice.com
September 14, 2025
What a deal
I tested this against my friends BD and BCA beacons and the Barryvox both picked up on a signal at a further distance 70m and was picked up at a further distance 70m. For how often you can find these and on sale i don't think there is anything better. I have used the beacon for 2 seasons and I think the batteries are finally below 50%.

Originally reviewed on ExpertVoice.com
September 11, 2025
Swiss Engineering at its best!
As a backcountry skier, having dependable gear is essential, and the Mammut Barryvox delivers. Its Swiss engineering shows in the intuitive interface, reliable signal range, and fast response, making it a trusted companion in avalanche safety.

Originally reviewed on ExpertVoice.com
September 8, 2025
Extremely reliable and great to have for the backcountry.

Originally reviewed on ExpertVoice.com
Do you have a question about this product?
October 30, 2020
Is the mammut beacon compatible with ortovox or other beacons in general?
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