---
product_id: 1143188
title: "Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400"
brand: "pyle"
price: "$156.51"
currency: USD
in_stock: true
category: "Pyle"
url: https://www.desertcart.us/products/1143188-hydra-marine-amplifier-upgraded-elite-series-400-watt-4-channel
store_origin: US
region: United States of America
---

# Dual MOSFET power supply IP-01 waterproof marine grade 400W max power output Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400

**Brand:** pyle
**Price:** $156.51
**Availability:** ✅ In Stock

## Summary

> 🌊 Amplify your marine vibe with power and precision!

## Quick Answers

- **What is this?** Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400 by pyle
- **How much does it cost?** $156.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/1143188-hydra-marine-amplifier-upgraded-elite-series-400-watt-4-channel)

## Best For

- pyle enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Compatibility:** RCA stereo inputs plus high-level terminal inputs for versatile connection options with any marine head unit.
- • **Precision Audio Control:** Dual adjustable GAIN controls let you fine-tune input levels for perfect sound balance.
- • **Robust Protection System:** Heavy-duty aluminum heatsink with thermal overload and short circuit protection keeps your setup safe.
- • **Built to Brave the Elements:** IP-01 waterproof rating and corrosion-resistant gold-plated terminals ensure durability on the water.
- • **Immersive 4-Channel Powerhouse:** Delivers crisp, high-quality stereo sound with 100W per channel for your marine adventures.

## Overview

The Pyle Hydra Marine Amplifier PLMRA400 is a rugged, waterproof 4-channel amplifier delivering up to 400 watts of crisp audio power. Designed for marine environments, it features dual MOSFET power supply, adjustable gain controls, and protective aluminum heatsink with short circuit safeguards. Its versatile RCA and high-level inputs ensure compatibility with a wide range of marine audio systems, making it the ultimate upgrade for boat audio enthusiasts.

## Description

Buy Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400: Marine Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- PREMIUM 4 CHANNEL AMPLIFIER: Pyle’s PLMRA400 is engineered as a 4 Channel marine amplifier that allows high quality stereo reproduction from source. This will power up your speaker and be universally compatible with a variety of head units.
- RCA STEREO INPUT: For an easier use of this hydra marine amplifier, it comes with premium RCA inputs. If your marine receiver lacks RCA output jacks, you can connect speaker output leads to the high-level terminal inputs.
- SHORT PROTECTION: Built with a heavy duty Aluminum Alloy heatsink, thermal overload speaker short protection and LED light indicator. These are to protect the amp and your vehicle's electrical system from short circuit conditions.
- POWERFUL 400 WATT: This amplifier is powerful with its 100 WATT x 4 max or 400 WATT and dual MOFSET power supply. Comes with dual adjustable input GAIN level controls between 1-300mV and 4 or 8 Ohm speaker impedance.
- MARINE GRADE: With its Marine rating of IP-01, it is waterproof ready. It’s constructed with gold-plated speaker output terminal connectors as well to combat corrosion with long term use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000N5T0T4 |
| Best Sellers Rank | #55,248 in Electronics ( See Top 100 in Electronics ) #28 in Marine Amplifiers |
| Brand Name | Pyle |
| Customer Reviews | 4.1 4.1 out of 5 stars (2,427) |
| Global Trade Identification Number | 00068888883375 |
| Included Components | Hydra Series Waterproof Marine Class AB Amp (400 Watts, 4 Channels) |
| Item Dimensions | 11.1 x 8.5 x 2.6 inches |
| Item Weight | 3.9 pounds |
| Manufacturer | Pyle |
| Material Type | Aluminum |
| Maximum Output Power | 400 watts |
| Maximum Supply Voltage | 12 volts_of_direct_current |
| Minimum Supply Voltage | 12 volts_of_direct_current |
| Model | PLMRA400 |
| Mounting Type | Boat Mount |
| Number of Channels | 4 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Power | 400 watts |
| Package Type Name | Pyle |
| Part Number | PLMRA400 |
| Specification Met | Ip-01 |
| UPC | 068888883375 |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | As labelled |

## Product Details

- **Item dimensions L x W x H:** 11.1 x 8.5 x 2.6 inches
- **Manufacturer:** Pyle
- **Maximum Supply Voltage:** 12 volts_of_direct_current
- **Minimum Supply Voltage:** 12 volts_of_direct_current
- **Voltage:** 12 volts

## Images

![Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400 - Image 1](https://m.media-amazon.com/images/I/71oev5agujL.jpg)
![Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400 - Image 2](https://m.media-amazon.com/images/I/814H0X2dXyL.jpg)
![Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400 - Image 3](https://m.media-amazon.com/images/I/810u+Ka7FnL.jpg)
![Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400 - Image 4](https://m.media-amazon.com/images/I/81ppwyQgW2L.jpg)
![Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400 - Image 5](https://m.media-amazon.com/images/I/817MOaTE9RL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier, Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA400
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-13*