---
product_id: 52145484
title: "Polk Ultramarine pa4 a – Waterproof Stereo Marine, Color Black, Size M"
brand: "polk ultramarine"
price: "VT195079"
currency: VUV
in_stock: false
category: "Automotive"
url: https://www.desertcart.vu/products/52145484-polk-ultramarine-pa4-a-waterproof-stereo-marine-color-black-size
store_origin: VU
region: Vanuatu
---

# Polk Ultramarine pa4 a – Waterproof Stereo Marine, Color Black, Size M

**Brand:** polk ultramarine
**Price:** VT195079
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Polk Ultramarine pa4 a – Waterproof Stereo Marine, Color Black, Size M by polk ultramarine
- **How much does it cost?** VT195079 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/52145484-polk-ultramarine-pa4-a-waterproof-stereo-marine-color-black-size)

## Best For

- polk ultramarine enthusiasts

## Why This Product

- Trusted polk ultramarine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Same day shipping - 1 year warranty

## Features

- Modular design in two pieces (handle and hidden)
- 2 channels with non-volatile memory power system
- Circuit board coated to prevent damage from strong moisture and salinity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Polk Audio |
| Brand | Polk Audio |
| Model | Polk WP Bluetooth/APP Ready Stereo |
| Item Weight | 4 pounds |
| Product Dimensions | 10.2 x 9.8 x 6 inches |
| Item model number | PA4A |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | PA4A |
| Special Features | Waterproof |
| Wattage | 200 watts |

## Images

![Polk Ultramarine pa4 a – Waterproof Stereo Marine, Color Black, Size M - Image 1](https://images-eu.ssl-images-amazon.com/images/I/51s-N38DT8L.jpg)

## Questions & Answers

**Q: Can I connect a subwoofer to this unit?**
A: There are Aux outputs that can be connected to an amplifier which would then feed your subwoofer.

**Q: I have a 2015 Harris Tritoon with the pa450um volume is erratic. Can the pa4a be plugged into existing**
A: Yes, the PA4A commander will have the same plug as the PA450UM commander.

**Q: Size of the command unit**
A: The command units outer dimension is  5 1/4"  by  3 5/8"  but the hole to cut to mount it is 4 3/4" by 3 1/8".. The black part of the unit is the size of the opening to cut and the silver trim (1/2") is the only part that touches the surface to mount. It comes with a template to use to cut the hole.

**Q: I'm looking for the wireless remote to put on the back of the boat that will work with this stereo can you help?**
A: I downloaded the Polk App on my iPhone 
and use the phone as my wireless remote via Bluetooth.  That’s the reason I bought this model

---

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**Shop now:** [https://www.desertcart.vu/products/52145484-polk-ultramarine-pa4-a-waterproof-stereo-marine-color-black-size](https://www.desertcart.vu/products/52145484-polk-ultramarine-pa4-a-waterproof-stereo-marine-color-black-size)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-07*