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Polk PA4A Ultramarine WB/USB/Bluetooth Stereo with App Control

Item # 90886
Was $489.00  Save $39.01 (8%)
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Ships within 3-4 weeks


  • Durable, marine-grade construction

  • Silicone rubber face cover

  • Conformal-coated circuit board

  • Sunlight-readable LCD

  • NOAA 7-channel weather band

Product Summary 

The Polk PA4A Ultramarine Stereo is designed with solid, marine-grade construction to withstand the harsh marine environment. The modular design includes a waterproof (IPX6) commander for the helm and a hideaway module (IPX5). The commander features a detachable chrome trim ring for front mounting, silicone rubber face cover, and conformal-coated circuit board. This unit can be easily integrated with a boat's digital control panel for operation.

Polk PA4A Features:
• Low-profile flush-mount design with panel and U-bracket fastening options
• Dot Matrix LCD with white color backlight is readable in direct sunlight
• AM/FM tuner with 18 FM/12 AM/18 SAT presets
• NOAA 7-Channel Weather Band
• Bluetooth A2DP streaming audio
• iPod/iPhone Ready via USB
• USB 2.0 for playing MP3 and WMA files
• Sirius XM Ready
• 4 EQ presets
• Front and rear channel RCA Preamp outputs
• Auxiliary audio RCA input
• Max output power: 50W x 4 with MOSFET Power IC
• Ultramarine app available at iTunes or Google Play store
• Requires 8.32" x 7.19" x 2.20" mounting hole