Suunto Ambit 2 S

Some great features, but limited power metrics and battery life

Our rating 
4.0 out of 5 star rating 4.0
£325
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The Ambit 2 S is an appealing prospect, offering as it does multisport capability and with the firmware bugs of the earlier model apparently ironed out.

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Set-up is simple as the re-vamped Movecount software is intuitive and allows easy tweaking, while the Appzone offers extra features and certainly gives scope for some powerful upgrades. It works best for open-water swimming under your cap, but, even on your wrist, distances are near enough. 

On the bike, the lack of a quick-release mount is a pain, and although it will talk to ANT+ power meters it won’t show certain data fields, such as normalised power or intensity factor. 

Running, though, is brilliant and the ‘fused speed’ function that combines an accelerometer with the GPS for smoother pacing really does seem to make a difference. 

But for long-course triathlon, battery life is a concern. At normal sampling rate, you only get 8hrs. You can bump this up to 25hrs in 60sec mode, but this just doesn’t cut it for tri, especially if you’re riding with a power meter where 1sec sampling is vital.

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Contact : www.suunto.com