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Alpine PWE-S8-MRN 8" Powered Marine Subwoofer Enclosure with Built-In Amplifier - 240W Peak / 120W RMS

Add powerful, deep bass to your boat, UTV, or other marine vehicle without sacrificing valuable space. The Alpine PWE-S8-MRN features an ultra-compact sealed aluminum enclosure with a built-in Class D amplifier, delivering 120 Watts RMS to an 8-inch subwoofer for clean, impactful low frequencies. Engineered specifically for marine environments, it offers IPX6 water resistance, UV protection, and salt/fog resistance to provide reliable performance season after season.

General Features:

• Powered 8" Marine Subwoofer Enclosure

• Built-in Class D Monoblock Amplifier

• Sealed low-profile aluminum enclosure

• Peak Power: 240 Watts

• RMS Power: 120 Watts

• Compact design fits under seats and in tight spaces

• IPX6 water-resistant construction

• Salt and fog resistant (ASTM B117 tested)

• UV resistant (ASTM G154 tested)

• Waterproof connectors and protective gaskets

• Heavy-duty cast aluminum enclosure acts as a heat sink

• Includes wired remote bass level controller

• Adjustable gain control

• Adjustable low-pass crossover

• Selectable phase switch

• Speaker-level (high-level) inputs

• RCA low-level inputs

• Recommended 10 AWG power and ground wiring

• Designed for boats, UTVs, side-by-sides, golf carts, and other outdoor vehicles

• Also available in a car audio version (Alpine PWE-S8)

• 1-Year Manufacturer's Warranty

Subwoofer Features

• 8" Marine Subwoofer

• Polypropylene cone

• Rubber surround

• Sealed enclosure design

• Deep, accurate bass response

• Frequency Response: 25 Hz - 152 Hz

Amplifier Features

• Built-in Class D Monoblock Amplifier

• RMS Power Output: 120 Watts

• Peak Power Output: 240 Watts

• Adjustable Low-Pass Crossover: 50 Hz - 150 Hz

• Variable Bass Boost: 0 - 20 dB

• Input Sensitivity: 0.2V - 4.0V

• RCA Low-Level Inputs

• Speaker-Level (High-Level) Inputs

• Fuse Rating: 15A × 2

Specifications

Package Includes

• Alpine PWE-S8-MRN Powered Marine Subwoofer

• Wired Remote Bass Level Controller

• Power/Signal Harness

• Mounting Hardware

• Owner's Manual

Perfect For

• Boats

• Pontoon Boats

• Fishing Boats

• Personal Watercraft

• UTVs & Side-by-Sides

• Golf Carts

• Compact installations where powerful bass is desired without using significant storage space