The Polk source unit is a unique audio solution that delivers the extraordinary power needed to drive room-filling, high impact audio to the speakers, amplifiers and subwoofers. This one-of-a-kind unit has exclusive features such as Bluetooth audio and SiriusXM which will help you squeeze the most entertainment out of your system. Rediscover your music with a Polk system and truly capture the heart of your favorite musical performance. 

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  1. Polk Ultramarine WB/USB/SiriusXM Ready/iPod & iPhone Ready/Bluetooth with App Control SKU # PA4A

    Polk Ultramarine WB/USB/SiriusXM Ready/iPod & iPhone Ready/Bluetooth with App Control

    PA4A

    The 200 watt PA4A has been designed and engineered with a solid, marine grade construction ensuring it will withstand the harsh elements encountered in a marine environment such as temperature fluctuations and UV and corrosion damage. 

    Visit your iTunes or Google Play store to download the Ultramarine app.

    Price: $524.99
  2. Polk Ultramarine App Ready Marine Stereo SKU # P1

    Polk Ultramarine App Ready Marine Stereo

    P1

    The P1 stereo is app-ready, Bluetooth enabled, and Sirius XM compatible with an all new full color TFT display.

    Price: $599.99
  3. Polk Ultramarine UM2 App Ready Marine Stereo SKU # UM2

    Polk Ultramarine UM2 App Ready Marine Stereo

    UM2

    The UM2 stereo is app-ready, Bluetooth enabled, and Sirius XM compatible with an all new full color TFT display.

    Price: $999.99

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