AceShowbiz - Wrestler-turned-actor The Rock a.k.a. Dwayne Johnson has turned his dreams for a durable pair of headphones into a reality as part of his new workout collection for Under Armour.

The Jumanji: Welcome to the Jungle star has been working with bosses at the athletic brand since 2016, and now he has unveiled his own wireless audio gear tough enough to withstand his punishing gym sessions.

"They're here," he announced on Instagram, alongside a photo of himself wearing the Project Rock headphones.

"Like you, my gym time is critical. It's our time to shut the world out and anchor in. I prefer training in 'over the ear' headphones, but have been consistently disappointed (p**sed is a better word) with every pair, from every brand that just couldn't handle my workouts".

"I thought if no one is going to design headphones BUILT FOR TRAINING, then I would," he continued. "And I'd make them the best. Almost 2 years later, they've arrived".

They’re here 🎧 Like you, my gym time is critical. It’s our time to shut the world out and anchor in. I prefer training in “over the ear” headphones, but have been consistently disappointed (pissed is a better word) with every pair, from every brand that just couldn’t handle my workouts. I thought if no one is going to design headphones BUILT FOR TRAINING, then I would. And I’d make them the best. Almost 2 years later, they’ve arrived. Our next @underarmour collection DROPS NEXT WEEK 6/28. #ProjectRockWireless #Durability #Functionality #HighQuality #BadAss

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A post shared by therock (@therock) on Jun 19, 2018 at 6:02am PDT

Johnson promises fans they will enjoy the durability and functionality of the high quality, "bad a**" Project Rock Wireless headphones, which reaches retailers on 28 June.

The muscle-bound star previously teased his Instagram followers about the new endeavour in April, when he gave fans a sneak peek at the headphones while in the final stages of development.

"For over a year now I've been developing these new Project Rock workout headphones," he wrote. "They'll be the best you've ever trained in in terms of quality and durability".

Under Armour designers have previously teamed up with electronics experts at JBL for headphone offerings, although it's not yet clear if the Project Rock line is part of that partnership.

Johnson is the latest celebrity to cash in on the headphone business, following in the footsteps of stars like 50 Cent, will.i.am, and rap mogul Dr. Dre, who famously sold his hugely-successful Beats brand to Apple bosses in 2014.