Every Second Counts...

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Introducing the Series 3

A project which has been eighteen months in the making and involved developmental input from over a dozen of our team of world class athletes. We're proud to bring you the Series 3...

The Next Generation of Training Earbuds

Bluetooth 5.0 Mirroring Technology


Ergonomic and Noise Isolating Fit


Up to 28 Hours Playtime


IPX7 Waterproof


Expertly Engineered Sound


“The series 3 are FOR SURE my favorite headphones. They’re great with sweat, and look good too!”

Danielle Brandon (4 x CrossFit Games Athlete)

'The Series 3 are probably the best earphones available for training in the world. My verdict...five stars!'

Bjorgvin Karl Gudmundsson (2019 Third Fittest on Earth)

‘The new Series 3 are legit. From Oly lifting to GHD’s, these bad boys don’t budge!’

Kara Saunders (2017 Second Fittest on Earth)

'The ESC Sounds are a perfect fit for me. The sound is great and they stay perfectly in your ears no matter what the workout is. Plus the battery life is incredible!'

Jonne Koski (7 x CrossFit Games Athlete)

'' The new Series 3 are amazing. They'll definitely be my go-to for training! ''

Katherine Nye (Weightlifting World Champion)