Polk Audio
Polk Audio PA450UM Waterproof Marine Bluetooth Stereo
Best durable audio for marine enthusiasts seeking clear sound.
The Polk Audio PA450UM is a robust marine stereo designed to withstand harsh environments. It features a two-piece modular design with a waterproof commander (IPX6) and a hideaway module (IPX5), ensuring durability against temperature fluctuations, UV rays, and corrosion. The commander includes a detachable trim ring, silicone cover, and conformal coated circuit boards for added protection. This system offers AM/FM tuning with presets, SiriusXM-Ready capability, USB playback for MP3 and WMA files, and iPod/iPhone compatibility via USB. It also supports Bluetooth for audio streaming and includes a Weatherband tuner with alerts. The PA4A is app-ready and offers electronic bass, treble, balance, and fader controls, along with preset equalizer settings.
$410.00
Owner Satisfaction
4.3
/ 5
Category Rank
138
/ 224
#138 in Marine Audio & Video Receivers
Price vs Category Average
+32%
Above average
Frequency Response (Main Channels)
122201
/ Hz - kHz (+, -dB)
Who it's for
- Boat owners needing durable audio equipment that withstands water splashes and rain.
- Boaters who prefer streaming music wirelessly from their mobile devices.
- Users wanting diverse ways to play music from wired and digital sources.
Who should skip it
- Audiophiles or large vessel owners needing robust, high-volume sound systems.
- Users prioritizing a highly visible display for easy outdoor operation.
- Traditionalists who still use CDs or desire integrated satellite radio functionality.
Key Specs
Frequency Response (Main Channels)
12 Hz - 22 kHz (+0, -1dB)
Frequency Response (Subwoofer Channel)
10 Hz - 1 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power (Main Channels)
>104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W
>84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 Ω
>150 / 50 Hz
Damping Factor @ 2 Ω
>75 / 50 Hz
THD+N @ Rated Power (Main Channels)
<1% @ 2 Ω per Ch.
THD+N @ Rated Power (Subwoofer Channels)
<1% @ 2 Ω per Ch.
Features
- Waterproof Commander and Hideaway Module
- SiriusXM Ready and Bluetooth Connectivity
- USB Playback for MP3/WMA
- iPod and iPhone Ready via USB
- Weatherband Tuner with Alerts
- Full Dot Matrix LCD Display
- Modular Design for Flexible Installation
- Corrosion and UV Resistant Construction
What customers say
Customers consistently praise this marine stereo for its impressive sound quality and robust construction. Many users highlight its dependable performance in harsh marine conditions, appreciating the effective waterproofing. The Bluetooth connectivity receives positive remarks for its stable pairing and user friendly operation, significantly improving the listening experience. While installation might require some attention, the general sentiment points to a durable and high performing audio solution for watercraft, making it a solid choice for marine audio needs.
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$410