BOOM Movement

Swimmer Duo Waterproof Speaker

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The Polk BOOM Swimmer Duo enters a new stage of evolution, letting you double down on great sound and ultimate portability no matter where adventure leads. Sticking with its original look and rugged features, little may have changed on the outside—but what’s inside tells a new story. The Swimmer Duo now includes stereo pairing, giving you a more robust sound and better sonic range from all of the tunes you love via a Bluetooth connection.

Add a pair of Swimmer Duo’s to your arsenal, easily link them together, and listen to each one as true left and right speakers. Its new built-in mic is speakerphone-ready for those moments when you’re listening to music but want to take incoming calls and keep communication hands-free. Plus, its already awesome flexible tail is now 1-inch longer, giving you endless opportunities to loop, twist, grip and set it however you see fit. And it still comes with a suction cup attachment, so you can stick it to just about any surface for surprisingly better low end response and even more mounting options.

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Product Details



With an IPX7 rating, the Swimmer can be immersed in up to 3 feet of water for 30 minutes. Take it to the pool, ocean, and even the shower. Bottom line -- just soak it.


Completely sealed from dirt, dust, mud and sand, the Swimmer keeps all filth out and your favorite tunes on full blast wherever you adventure. Journey on!


The Swimmer's rugged rubberized exterior is built to absorb the drops inherent in any great adventure. Leave your worries at the door and don't worry about dropping it.


Now with stereo linking, the Swimmer Duo gives you more robust sound and better sonic range. Easily link two together and listen to each one as true left and right speakers.


Loop your Swimmer around virtually any object and for a secure fit, pull the tail through the open slot and twist its end to any side.


Stick the Swimmer to just about any surface with its suction cup attachment for surprisingly better bass response and even more mounting options.


Take the Swimmer's tail and reconfigure it any way you see fit. It doubles as a support base so you can set it up for great sound just about anywhere.

  • Speakerphone capapbilities
  • 8 hour battery life
  • IPX7 waterproof 3'/1m


Power Ouput: 2.5 Watts

Battery Type: Lithium-ion Polymer 3.7 V, 430 mAh

Battery Charge Time : 2 hrs at 0.5A

Frequency Response: 220Hz – 20kHz

Signal-to-Noise Ratio: > 75 dB

Transducer: 30 mm full-range suspended within 45 mm passive-radiator

Bluetooth Version: v4.1

Bluetooth Support: A2DP v1.3, HFP v1.6, HSP v1.2, AVRCP v1.5, SPP v1.2

Bluetooth Transmitter power: 8 dBm

Bluetooth Transmitter Frequency Range:2.402 – 2.480 GHz