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Alpine PWE-S8-MRN

240W Peak (120W RMS) Loaded Single 8" Amplified Marine Enclosure

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• 8" Amplified Loaded Subwoofer System
• 120 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Learn more about the pwes8mrn
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List price $500.00
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$399.95

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Description


Alpine brand icon

Authorized dealer

Premium Marine Low-End Upgrade

Hidden performance meets heavy-duty engineering in the Alpine PWE-S8-MRN. Similar to the original PWE-S8, this 8-inch powered marine sub box provides a definitive solution for listeners who crave low-end rumble but refuse to surrender their boat and trunk space. Housed in a rigid cast aluminum enclosure that measures only 3 inches deep, it slides effortlessly in under seat or rear seat setups. By combining the driver and amplifier into a single, vibration-resistant chassis, this unit eliminates the complexity of matching separate components.

The internal Class D amplifier delivers a steady 120 watts of RMS power, driving the 8-inch woofer to produce articulate bass down to 32 Hz. Its metallic construction acts as a massive heat sink, ensuring the electronics remain cool and stable during extended drives on land and sea. For precise tuning, the side panel features adjustable controls for phase, gain, and a low-pass crossover, allowing the output to blend naturally with your existing speakers.

The internal Class D amplifier delivers a steady 120 watts of RMS power, driving the 8-inch woofer to produce articulate bass down to 32 Hz. Its metallic construction acts as a massive heat sink, ensuring the electronics remain cool and stable during extended drives on land and sea. For precise tuning, the side panel features adjustable controls for phase, gain, and a low-pass crossover, allowing the output to blend naturally with your existing speakers.

General Features:

  • Single 8" Sealed Loaded Marine Subwoofer Enclosure with Built-In Amplifier
  • Power Handling:
    • Peak: 240 watts
    • RMS: 120 watts
  • Built-in Class D amplifier
  • Includes remote bass level controller
  • Sealed Square/Rectangle enclosure
  • IPX6 rated - built to handle spray, splashes, and wet conditions
  • Salt and fog resistant (ASTM B117) for long-term durability in coastal environments
  • UV-resistant materials (ASTM G154) protect against sun exposure and fading
  • Waterproof connectors and gaskets for reliable marine performance
  • Compact, low-profile enclosure fits tight spaces
  • 10 gauge power and ground wiring is recommended for installation
  • Also available: Alpine PWE-S8 for car audio applications (Sold separately)
  • Enclosure Dimensions: 9-1/16" L x 13.4" W x 2.875" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Subwoofer Features:

  • 8" subwoofer
  • Polypropylene cone
  • Rubber surround
  • Frequency Response: 25 - 152 Hz

Amplifier Features:

  • Class D Monoblock Amplifier
  • Low-Pass Crossover Frequency: 50 - 150 Hz
  • Bass Boost: 0 - 20 dB
  • RCA Preamp Output: 1 pair
  • Speaker-level (high-level) inputs
  • Input sensitivity: 0.2 - 4.0 volts
  • Fuse Rating: 15A x 2 

Enclosure Features:

  • 8" Sealed Enclosure
  • Box Finish: Black Aluminum

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Specifications & Details


Amplifier Specifications
Amplifier Class
D
Number of Channels
1 - Mono
Maximum Input Gauge Size
10 AWG
Speaker Level Inputs
Yes - with included adapter
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Subsonic
Low-Pass Crossover Frequency
50 - 150 Hz
Low-Level Input Sensitivity
0.2 - 4.0 volts
Bass Boost
0 - 20 dB
Remote bass/level controller
Yes
Fuse Rating
15A x 2 
Subwoofer Specifications
Subwoofer Size
8"
RMS Power Handling
120 watts
Total RMS Power Handling
120 watts
Peak Power Handling
240 watts
Total Peak Power Handling
240 watts
Woofer Surround
Rubber
Woofer Composition
Polypropylene
Voice Coil(s)
Quad
Frequency Response
25 - 152 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Sealed
Number of Subwoofers
1
Box Style/Shape
Square/Rectangle
Height
2.875"
Width
13.4"
Depth
9-1/16"
Box Exterior Color
Black
Box Finish
Aluminum
Amplifier Wiring Kit
Is Amplifier Wiring Kit included?
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

PWE-S8-MRN

Weight:

13.20lbs

Internal SKU:

pwes8mrn

Internal Product ID:

229771

Customer Ratings & Reviews


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