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Polk Audio Qualifies for Free Shipping Polk 10 Polk Audio Qualifies for Free Shipping Polk 10
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Polk Audio Polk 10" Subwoofer Ultramarine Black #UMS108BR $269.99
  Download LiteraturePolk Audio UMS108BR Speakers10" Subwoofer Ultramarine - BlackThe Polk UMS108B subwoofer uses air suspension technology to deliver 700 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water. Features: Black housing and grille Air Suspension Design Cast Aluminum Basket High Temp Voice coil XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support) White Grille, Bridge, and Trim Ring Snap On Grille Installation Option Silver Cone Insulated Tinsel Leads WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Cutout Size = NONE Main Cone Size (Inches) = NONE Mounting Style = NONE QTY = NONE Waterproof = NONE Watts = NONENormalized SKU: UMS108BRUPC Code: 681787023033Polk Audio UMS108BR Literature Download  Product Brochure
-22% sale
Polk Audio Qualifies for Free Shipping Polk 10 Polk Audio Qualifies for Free Shipping Polk 10
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Polk Audio Polk 10" Subwoofer Ultramarine Silver #UMS108SR $191.79 $243.58
  Download LiteraturePolk Audio UMS108SR Speakers10" Subwoofer Ultramarine - SilverThe Polk UMS108B subwoofer uses air suspension technology to deliver 700 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water. Features: Silver housing and grille Air Suspension Design Cast Aluminum Basket High Temp Voice coil XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support) White Grille, Bridge, and Trim Ring Snap On Grille Installation Option Silver Cone Insulated Tinsel Leads WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Cutout Size = NONE Main Cone Size (Inches) = NONE Mounting Style = NONE QTY = NONE Waterproof = NONE Watts = NONENormalized SKU: UMS108SRUPC Code: 681787023040Polk Audio UMS108SR Literature Download  Product Brochure
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Polk Audio Qualifies for Free Shipping Polk 10 Polk Audio Qualifies for Free Shipping Polk 10
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Polk Audio Polk 10" Subwoofer Ultramarine White #UMS108WR $269.99 $316.37
  Download LiteraturePolk Audio UMS108WR Speakers10" Subwoofer Ultramarine - WhiteThe Polk UMS108W subwoofer uses air suspension technology to deliver 700 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water. Features: White housing and grille Air Suspension Design Cast Aluminum Basket High Temp Voice coil XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support) White Grille, Bridge, and Trim Ring Snap On Grille Installation Option Silver Cone Insulated Tinsel Leads WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Cutout Size = NONE Main Cone Size (Inches) = NONE Mounting Style = NONE QTY = NONE Waterproof = NONE Watts = NONENormalized SKU: UMS108WRUPC Code: 681787023026Polk Audio UMS108WR Literature Download  Product Brochure
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Polk Audio Qualifies for Free Shipping Polk 4.3
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Polk Audio Polk 4.3" Stereo Bluetooth/App Ready Waterproof #P1 $514.99 $642.20
Polk Audio P1 Marine4.3” Waterproof Bluetooth/ APP Ready StereoFeatures: 200 watts maximum power handling (26W x 4) Two-piece modular design (commander and hideaway module) Waterproof commander (IPX6) and module (IPX5) App Ready - All primary unit functions can be controlled by any iOS or Androidbased mobile device with downloaded Polk Ultramarine app Full iPod®/iPhone® control and charging (via USB) Bluetooth streaming audio (A2DP) and controls (AVRCP) SiriusXM-Ready™ (requires SXV300V1M tuner and subscription) USB jack for connection of digital media devices Seven-channel NOAA weatherband tuner AM/FM tuner (US/Euro) Auxiliary line-level audio input (RCA) Four-channel line-level audio output (RCA, front + rear) Silicone rubber protective cover Two-wire power system with non-volatile memory Low battery warning Conformal coated circuit boards Corrosion resistant (ASTM D1141) UV resistant (ASTM D4329) WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Auxiliary Input = Yes Color = Black Mounting Style = NONE Power - Output (Watts) = 200W Wired Remote Capable = NONE XM - Sirius Ready = YesNormalized SKU: P1UPC Code: 681787022531
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Polk AM/FM/Bluetooth/App Ready Stereo #PA4A
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Polk Audio Polk AM/FM/Bluetooth/App Ready Stereo #PA4A $449.00
  Download LiteraturePolk Audio PA4A MarineUltraMarine WB/USB/SiriusXM Ready/iPod & iPhone Ready/Bluetooth w/App ControlThe 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. This high-tech system features a two-piece modular design with a waterproof commander (IPX6) for the helm and hideaway module (IPX5). The commander features a detachable chrome trim ring, silicone rubber face cover and conformal coated circuit boards which prevent damage from high humidity and salt. It also has the capability to be easily integrated with a boat's digital control panel. Once the two systems are connected, the main control panel is able to perform all of the functions of the PA4A commander.Features: Low-profile flush-mount design with panel and U-bracket fastening options Detachable chrome trim ring for front mounting Rotary encoder for volume control and menu-driven user interface Dot Matrix LCD with White color backlight readable in direct sunlight 2-Wire power system: 12V DC (Ground and 12V power switched) Non-Volatile Memory: For station presets, audio and user settings Electronic AM/FM Tuner (US/Euro selectable) Station Presets: 18 FM, 12 AM, 18 SAT RBDS w/PTY search NOAA 7-Channel Weather band Bluetooth (A2DP streaming audio ; AVRCP remote control) iPod/iPhone Ready (via. USB) USB 2.0 for Playback of MP3 and WMA audio files SiriusXM Ready (SXV300V1M tuner and subscription required) EQ Presets (Flat, Rock, Pop, Classical, User settings) Front and Rear channel RCA Pre-Amp outputs Auxiliary Audio RCA Input Front Panel Commander Water Resistance Rating: IPx6 Tuner / Amp Chassis. Water Resistant Rating: IPx5 ISO Power/ Speaker Connector JDAB Wired Remote ready (PRC100BC/ PRC200BC Low Battery warning: Audible /Visual warning @ <10.8V Max output power: 50W X4 with MOSFET Power IC Conformal Coated PCB UV Resistant: ASTMD4329 compliant Corrosion Resistant Material/ Finishing ASTMB117 compliant Includes silicone rubber front panel protective cover App Ready (Ultra Marine) WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Auxiliary Input = Yes Color = NONE iPod Ready = Yes Mounting Style = NONE Power - Output (Watts) = 50W x 4 Wired Remote Capable = Yes XM - Sirius Ready = YesNormalized SKU: PA4AUPC Code: 681787020681Polk Audio PA4A Literature Download  Owners Manual
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Polk Audio Qualifies for Free Shipping Polk App Ready/Bt/Am/Fm Marine Stereo #UMC1RTL
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Polk Audio Polk App Ready/Bt/Am/Fm Marine Stereo #UMC1RTL $579.99
Download LiteraturePolk Audio UMC1RTL MarineApp Ready Marine Commander Stereo - BT/AM/FM/APPFeatures: 2.8" color TFT display viewable in direct sunlight Glass lens to protect display from cleaning products App Ready - All main functions can be controlled by any Bluetooth-enabled device with Polk Ultramarine app Low-profile flush-mount design and detachable trim ring for front mounting Compatible with PA4ATAB and UM2TAB source unit modules Rotary encoder for volume control and menu-driven user interface Conformal coated PCB IPX5 waterproof design UV resistant (ASTM D4329) Corrosion resistant (ASTM D1141) Dimensions: 5.4" W x 3.75" H x 1.7" D Specifications:SiriusXM Ready = NONE RCA Input = NONE Power - Output (Watts) = NONE Cover Included = NONE Color = NONE Bluetooth = NONE Auxiliary Input = NONE RCA Output = NONE Wireless Remote Capable = NONE Wired Remote Capable = NONENormalized SKU: UMC1RTLUPC Code: 681787023330Polk Audio UMC1RTL Literature Download Product Brochure
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Polk Audio Qualifies for Free Shipping Polk Audio Polk 1-Channel Class-D Power Amp #PAD1000.1
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Polk Audio Polk Audio Polk 1-Channel Class-D Power Amp #PAD1000.1 $429.43 $535.98
Polk Audio PAD1000.1 Marine This high-quality 550-watt amplifier features stainless steel hardware throughout so it won't corrode along with a Class D design allowing for it to run cooler than most conventional amps. This amplifier is also built tough so it can withstand anything the sea has to throw at it! Efficient Class D design runs much cooler than conventional amps High-speed MOSFET switching power supply with outputs stable into 1 Ohm loads Nickel-plated wire terminals and RCA connectors ensure maximum signal transfer Level Control Line Level Outputs Stainless steel hardware used throughout won't corrode in humid environments 500 watts x 1 @ 4 Ohms 800 watts x 1 @ 2 Ohms 1,200 watts x 1 @ 1 Ohm Signal-to-noise ratio: > 105~ dBA Input Impedance: > 20k Ohms Overall Frequency Response: 20-200 Hz Protection: Thermal, DC offset, reverse polarity, and short circuit protection Dimensions(with panels) : 1.81 H x 12.94" W x 6.75" D Normalized SKU: PAD10001UPC Code: 747192121914
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Polk Audio Qualifies for Free Shipping Polk Digital Power Amplifier 2-Channel #PAD2000.2 Polk Audio Qualifies for Free Shipping Polk Digital Power Amplifier 2-Channel #PAD2000.2
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Polk Audio Polk Digital Power Amplifier 2-Channel #PAD2000.2 $252.20 $320.32
Polk Audio PAD2000.2 Marine2-Channel Digital Power AmplifierPAD2000.2Key Features Max power handling: 300W MOSFET switching power Efficient Class D bridgeable design Toroidal transformers Full, HPF, BPF switch Adjustable low and high pass frequency Level controls Line level outputs and inputs Nickel-plated wire terminals and RCA connectors Stainless steel hardware Protection: thermal, DC offset, reverse polarity and short circuit protection Dimensions (with panels): 1.81''H x 8.25''W x 6.75''D WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Bridgeable = Yes Channels - Available = NONE Waterproof Rating = NONE Watts = 300Normalized SKU: PAD20002UPC Code: 747192121921
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Polk Audio Qualifies for Free Shipping Polk Digital Power Amplifier 4-Channel #PAD4000.4
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Polk Audio Polk Digital Power Amplifier 4-Channel #PAD4000.4 $385.69 $481.38
Polk Audio PAD4000.4 Marine4-Channel Digital Power AmplifierPAD4000.4Key Features Max power handling: 400W MOSFET switching power Efficient Class D bridgeable design Channel Mode Switch (ST/4Ch) Toroidal transformers Full, HPF, BPF switch Adjustable low and high pass frequency Front and rear level controls Line level outputs and inputs Nickel-plated wire terminals and RCA connectors Stainless steel hardware Protection: thermal, DC offset, reverse polarity and short circuit protection Dimensions (with panels): 1.81''H x 10.94''W x 6.75''D WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Bridgeable = Yes Channels - Available = NONE Waterproof Rating = NONE Watts = 400Normalized SKU: PAD40004UPC Code: 747192121938
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Polk Audio Qualifies for Free Shipping Polk Digital Power Amplifier 5-Channel #PAD5000.5
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Polk Audio Polk Digital Power Amplifier 5-Channel #PAD5000.5 $500.07 $624.14
Polk Audio PAD5000.5 Marine5-Channel Digital Power AmplifierPAD5000.5Key Features Max power handling: 500W MOSFET switching power Efficient Class D bridgeable design Channel Mode Switch (ST/4Ch) Sub 1/Sub 2 input Rear Full, HPF switch SUB/INT source switch SUB sonic filter Remote bass level control Nickel-plated wire terminals and RCA connectors Stainless steel hardware Overall frequency response: 20-20kHz main channels, 20-250 Hz sub channel Protection: thermal, DC offset, reverse polarity and short circutit protection Dimensions (with panels): 1.81''H x 10.94''W x 6.75''D WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Bridgeable = Yes Channels - Available = NONE Waterproof Rating = NONE Watts = NONENormalized SKU: PAD50005UPC Code: 747192121945
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Polk Audio Qualifies for Free Shipping Polk NMEA 2000 Compatibility Kit #NMEA2K1
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Polk Audio Polk NMEA 2000 Compatibility Kit #NMEA2K1 $223.30 $283.60
Polk Audio NMEA2K1 MarineControl your PA4A or P1 Stereo with a Garmin or Raymarine Chartplotter/Fish Finder MFDCompatibility Kit - Works With PA4A & P1 StereosIncludes: NMEA2KGTWY JDab to NMEA2000 Gateway for RayMarine, Garmin and Chart Plot GTWYHRN Harness JWRYCBLS JDab Remote Control Y Cable WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Auxiliary Input = NONE Color = NONE Mounting Style = NONE Power - Output (Watts) = NONE Wired Remote Capable = NONE XM - Sirius Ready = NONENormalized SKU: NMEA2K1
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Polk Audio Qualifies for Free Shipping Polk PA450UM/PA4A Cover Grey #PXXPPA450UMCOVER
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Polk Audio Polk PA450UM/PA4A Cover Grey #PXXPPA450UMCOVER $17.81 $21.26
Polk Audio PXXPPA450UMCOVER MarineCover for PA450UM & PA4A The PXXPPA450UMCOVER is a cover for the Polk PA450UM / PA4A commander.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Normalized SKU: PXXPPA450UMCOVER
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Polk Audio Qualifies for Free Shipping Polk Remote Control Extension Cable 18' #PRCEC18
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Polk Audio Polk Remote Control Extension Cable 18' #PRCEC18 $17.28 $20.63
Polk Audio PRCEC18 AccessoriesPolk Remote Control Extension Cable18' extension cable for Polk wired remote controlWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Normalized SKU: PRCEC18UPC Code: 681787018749
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Polk Audio Qualifies for Free Shipping Polk Remote Control Y-Cable for Multiple Remotes #PRCYC1
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Polk Audio Polk Remote Control Y-Cable for Multiple Remotes #PRCYC1 $27.99
Polk Audio PRCYC1 AccessoriesPolk Remote Control Y Cable "Y" connection cable for Polk wired remote control Allows for connection of multiple Polk remotes WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Normalized SKU: PRCYC1UPC Code: 681787018756
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Polk Audio Qualifies for Free Shipping Polk Ultramarine 2
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Polk Audio Polk Ultramarine 2" Mid-Range Tweeter #UM200HBRTL $95.63 $118.71
Polk Audio UM200HBRTL Speakers2" Mid-Range Tweeter - Black This Polk UltraMarine 2" High Performance Twiddler Speaker is a great addition to any boat. Featuring a water and corrosion resistant sealed design. It is built for the tough life of the marine environment. Features: 300 watts  Water and corrosion resistant sealed design Polypropylene woofer Santoprene suspension Rubber mounting gasket Inline passive crossover included 3.4 oz. Magnet 4 Ohms 80Db Frequency response 270 Hz – 20Khz UV Resistant (ASTM-D4329 compliant) Mounting depth 1.4” WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Normalized SKU: UM200HBRTLUPC Code: 681787019920
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Polk Audio Qualifies for Free Shipping Polk Ultramarine 6.6 Polk Audio Qualifies for Free Shipping Polk Ultramarine 6.6
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Polk Audio Polk Ultramarine 6.6" Black Coaxial Speakers #UMS66BR $295.80 $375.68
  Download LiteraturePolk Audio UMS66BR SpeakersUltramarine 6.6" Coaxial Speakers - BlackThe Polk UMS66W speaker uses air suspension technology to deliver 150 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water. Features: Black housing and grille Air Suspension Design Cast Aluminum Basket High Temp Voice coil XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support) White Grille, Bridge, and Trim Ring Snap On Grille Installation Option Silver Cone Insulated Tinsel Leads Sold in pairs WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Mounting Style = NONE QTY = NONE Size = NONE Watts RMS - Max = NONENormalized SKU: UMS66BRUPC Code: 681787023064Polk Audio UMS66BR Literature Download  Product Brochure
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Polk Audio Qualifies for Free Shipping Polk Ultramarine 6.6 Polk Ultramarine 6.6
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Polk Audio Polk Ultramarine 6.6" Silver Coaxial Speakers #UMS66SR $399.99 $439.90
  Download LiteraturePolk Audio UMS66SR SpeakersUltramarine 6.6" Coaxial Speakers - SilverThe Polk UMS66W speaker uses air suspension technology to deliver 150 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water. Features: Silver housing and grille Air Suspension Design Cast Aluminum Basket High Temp Voice coil XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support) White Grille, Bridge, and Trim Ring Snap On Grille Installation Option Silver Cone Insulated Tinsel Leads Sold in pairs WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Mounting Style = NONE QTY = NONE Size = NONE Watts RMS - Max = NONENormalized SKU: UMS66SRUPC Code: 681787023071Polk Audio UMS66SR Literature Download  Product Brochure
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Polk Audio Qualifies for Free Shipping Polk Ultramarine 6.6 Polk Audio Qualifies for Free Shipping Polk Ultramarine 6.6
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Polk Audio Polk Ultramarine 6.6" White Coaxial Speakers #UMS66WR $399.99 $439.90
  Download LiteraturePolk Audio UMS66WR SpeakersUltramarine 6.6" Coaxial Speakers - WhiteThe Polk UMS66W speaker uses air suspension technology to deliver 150 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water. Features: White housing and grille Air Suspension Design Cast Aluminum Basket High Temp Voice coil XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support) White Grille, Bridge, and Trim Ring Snap On Grille Installation Option Silver Cone Insulated Tinsel Leads Sold in pairs WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Mounting Style = NONE QTY = NONE Size = NONE Watts RMS - Max = NONENormalized SKU: UMS66WRUPC Code: 681787023057Polk Audio UMS66WR Literature Download  Product Brochure
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Polk Audio Qualifies for Free Shipping Polk Ultramarine 7.7 Polk Ultramarine 7.7
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Polk Audio Polk Ultramarine 7.7" Black Coaxial Speakers #UMS77BR $359.99
  Download LiteraturePolk Audio UMS77BR SpeakersUltramarine 7.7" Coaxial Speakers - BlackThe Polk UMS77W speaker uses air suspension technology to deliver 200 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water.Features: Black housing and grille Air Suspension Design Cast Aluminum Basket High Temp Voice coil XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support) White Grille, Bridge, and Trim Ring Snap On Grille Installation Option Silver Cone Insulated Tinsel Leads Sold in pairs WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Mounting Style = NONE QTY = NONE Size = NONE Watts RMS - Max = NONENormalized SKU: UMS77BRUPC Code: UMS77BPolk Audio UMS77BR Literature Download  Product Brochure
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Polk Audio Qualifies for Free Shipping Polk Ultramarine 7.7 Polk Ultramarine 7.7
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Polk Audio Polk Ultramarine 7.7" Silver Coaxial Speakers #UMS77SR $429.99
  Download LiteraturePolk Audio UMS77SR SpeakersUltramarine 7.7" Coaxial Speakers - SilverThe Polk UMS77W speaker uses air suspension technology to deliver 200 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water.Features: Silver housing and grille Air Suspension Design Cast Aluminum Basket High Temp Voice coil XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support) White Grille, Bridge, and Trim Ring Snap On Grille Installation Option Silver Cone Insulated Tinsel Leads Sold in pairs WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Mounting Style = NONE QTY = NONE Size = NONE Watts RMS - Max = NONENormalized SKU: UMS77SRUPC Code: UMS77SPolk Audio UMS77SR Literature Download  Product Brochure

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
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  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

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