Chevy | GMC Subwoofer Enclosures for Maximum Bass

Your Chevy/GMC truck demands respect. It’s a machine built for hauling, tackling tough terrain, and getting the job done. But when you fire up your favorite playlist, does the audio fall flat? Our custom subwoofer enclosures are the missing piece. They unlock the full potential of your sound system, delivering the kind of deep, ground-shaking bass that matches the power and presence of your truck.

Imagine cruising down the highway, the engine’s rumble matched by the pulse of your music. Feel the bass in your chest, transforming every drive into a heart-pounding experience. This isn’t just about better sound – it’s about making your Chevy/GMC truck a complete sensory powerhouse.

Chevy | GMC Direct Fit Solutions

Under Rear Seat Down Firing Enclosures

The Ultimate Performance without Seat Modifications

Using a Stack Fab assembly process, We can create a down fire solution with increased performance and sound quality. We have created more usable airspace than our competition which equals more output.

Performance Features:

  • 1.8 Cubic Feet Net airspace sealed enclosure. GMI Version
  • 2.4 Cubic Feet Net airspace sealed enclosure. GMII Version

Design Features:

  • Covered in Plush Black Carpet
  • Available Custom Lasered Acrylic Inserts for the Front Panel
  • Adapter Plate Mounting System allow for mounting 8″ to 12″ subwoofers

Application Guide

SKUDescriptionWoofer DepthWoofer Cut OutW x H x D”Cub Ft. NetTuning Freq.
VS GM I D-SGMC Truck Box 2008-2019 1500 & 2008-2019 HD for Dual 10 or 12″ Sealed – Direct Fit / No Seat Mods4”Adapter Plate SystemDirect Fit, No Seat Mods1.8N/A
VS GM II D-S19 (non-HD) -current | Double 10 or 12 Sealed | Full Length5.25”Adapter Plate SystemDirect Fit, No Seat Mods2.4N/A
VS GM II P-S19 (non-HD) -current | Double 10 or 12 Ported | Full Length5.25”Adapter Plate SystemDirect Fit, No Seat Mods2.433hz
Chevy Silverado & GMC Sierra Subwoofer Box Solutions - Complete Audio Upgrade Guide

Chevy Silverado & GMC Sierra Subwoofer Box Solutions

Transform your Silverado or Sierra with precision-engineered Proline-X subwoofer enclosures. From work truck utility to luxury performance, we deliver professional-grade audio solutions for America's most trusted trucks.

The Challenge: Premium Audio in America's Workhorse

Factory audio systems lack the power and clarity expected in premium trucks

Limited cabin space requires precise engineering for optimal bass response

Work and towing demands need audio solutions that won't compromise utility

Extreme temperature variations require durable, stable enclosure materials

The Proline-X Solution: Engineered Excellence

Precision-Tuned Enclosures

Advanced modeling ensures optimal frequency response and maximum output

2-Year Warranty Coverage

Professional-grade construction backed by comprehensive warranty protection

OEM-Perfect Fit

Vehicle-specific designs maximize space efficiency without sacrificing performance

Chevy Silverado Audio Configurations

From the efficient Regular Cab to the spacious Crew Cab, every Silverado deserves premium audio. Our vehicle-specific solutions maximize your truck's acoustic potential.

Regular Cab

Work-focused efficiency

Under-Seat Solutions

  • 8" or 10" active subwoofers
  • Shallow-mount designs
  • Quick-disconnect wiring

Behind-Seat Options

  • Single 12" ported enclosures
  • Dual 10" sealed systems
  • Truck-specific mounting brackets

Double Cab

Balanced space & performance

Rear Seat Solutions

  • Under-seat active systems
  • Behind-seat custom boxes
  • Flip-up seat compatibility

Premium Options

  • Dual 12" ported enclosures
  • Component speaker upgrades
  • Amplifier integration systems

Crew Cab

Maximum space & luxury

Full System Integration

  • Multiple subwoofer locations
  • Component door speakers
  • Rear entertainment systems

Premium Solutions

  • Triple 10" or dual 12" systems
  • Multi-amplifier configurations
  • Custom upholstery matching

GMC Sierra Professional Audio

Professional grade demands professional audio. Sierra owners expect premium materials, precise engineering, and flawless integration - exactly what Proline-X delivers.

Sierra Regular Cab

Work truck excellence

Compact Solutions

  • 8" powered subwoofers
  • Under-seat mounting systems
  • Professional wiring harnesses
  • OEM integration modules

Performance Options

  • 10" or 12" passive systems
  • Behind-seat custom enclosures
  • High-output amplification
  • Temperature-stable materials

Sierra Crew Cab

Luxury truck sophistication

Premium Integration

  • Multi-zone audio control
  • Component speaker systems
  • Leather-wrapped enclosures
  • OEM color matching

High-Performance Bass

  • Dual 12" or triple 10" options
  • Ported and sealed configurations
  • Digital signal processing
  • Remote bass control

Engineering Excellence: Proline-X Technical Advantage

Every Proline-X enclosure combines advanced acoustic modeling with precision manufacturing to deliver optimal performance in your Chevy or GMC truck.

Advanced Modeling

Computer-aided design ensures optimal frequency response curves for each vehicle platform

Precision Manufacturing

CNC-machined components and hand-assembled construction ensure consistent quality

2-Year Warranty

Comprehensive warranty coverage protects your investment with professional-grade reliability

Perfect Integration

Vehicle-specific designs maximize performance while maintaining factory functionality

Performance Specifications

20Hz - 200Hz
Frequency Response Range
500W RMS
Maximum Power Handling
115dB SPL
Maximum Output Level

Professional Installation & Expert Support

Maximize your investment with professional installation and comprehensive support services designed specifically for Chevy and GMC truck owners.

Installation Excellence

OEM Integration Expertise

Seamless integration with factory electronics and interior trim pieces

Certified Technicians

Factory-trained professionals with specific Chevy/GMC experience

Warranty-Preserving Methods

Installation techniques that maintain your truck's factory warranty

Support Services

Technical Support
Expert guidance available
Installation Guide
Step-by-step instructions
2-Year Warranty
Comprehensive coverage
Returns Policy
Hassle-free returns

Why Chevy & GMC Owners Choose Proline-X

When America's hardest-working trucks need premium audio, professionals trust Proline-X engineering and AudioIntensity service excellence.

Industry Recognition

Trusted by automotive professionals and enthusiasts nationwide for consistent quality and performance

Customer Satisfaction

Thousands of satisfied Chevy and GMC owners trust our solutions for their daily drivers and work trucks

Engineering Focus

Dedicated R&D ensures our solutions match the evolving needs of modern truck owners

Proline-X vs. Generic Solutions

Proline-X Advantages

  • Vehicle-specific acoustic modeling for optimal performance
  • Professional-grade materials and construction methods
  • Comprehensive 2-year warranty with expert support
  • OEM-quality fit and finish preserving resale value

Generic Solution Limitations

  • One-size-fits-all approach compromises performance
  • Cost-cutting materials affect durability and sound quality
  • Limited or no warranty coverage for peace of mind
  • Poor fit requiring modifications that void warranties

Ready to Transform Your Chevy or GMC Audio Experience?

Join thousands of satisfied truck owners who've upgraded their audio with Proline-X precision engineering. Browse our complete selection of Silverado and Sierra solutions, backed by our 2-year warranty and professional support.

Fast Shipping
Quick delivery nationwide
2-Year Warranty
Comprehensive protection
Expert Support
Professional guidance

Proline-X Audio Solutions

Precision-engineered subwoofer enclosures for automotive excellence

© 2025 Proline-X. Professional audio solutions with 2-year warranty protection.