TL;DR
Linus teams up with Renzo from Synchrosound to explore underwater audio, testing custom pro hydro speakers, Shokz OpenSwim Pro bone-conduction headphones, and budget Bluetooth options like the Monster S620 in a pool. They dive into the physics of sound underwater—why high frequencies fade—and show how each solution holds up when you’re doing laps or under-water workouts.
The result? A fun, hands-on comparison that reveals which setup really delivers tunes beneath the surface, plus plenty of tech tips to level up your next aquatic jam session.
Watch on YouTube
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