Can You Really Jam Underwater?

Ever wondered if you can actually listen to tunes beneath the surface? Linus and crew suit up for pool-side tests of Renzo’s custom Synchrosound hydro-acoustic speakers, bone-conduction Shokz OpenSwim Pros, and a budget Monster S620 waterproof Bluetooth speaker. They dive into the physics—why high frequencies vanish underwater, how bone conduction sneaks around that—and put each gadget to the test to see which one delivers the clearest, most reliable sound while you swim laps.

Along the way you’ll pick up tech tips, a peek at speaker-design secrets, and honest takes on each device’s strengths and quirks. Whether you’re into casual poolside chilling or serious underwater workouts, this rundown helps you find the perfect splash-friendly audio setup.

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