Speaker Box Enclosures - Premium Subwoofer Boxes & Cabinets

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Speaker Box Enclosures - Premium Subwoofer Boxes & Cabinets

Speaker box enclosures are the foundation of exceptional car audio bass performance, transforming raw subwoofer drivers into powerful, controlled bass systems. The right speaker box determines everything from bass depth and accuracy to maximum output levels, making enclosure selection one of the most critical decisions in your car audio build.

Whether you need speaker box solutions for compact installations or competition-level output, our professional-grade enclosures deliver optimal acoustic performance. From sealed subwoofer boxes that provide tight, accurate bass to ported subwoofer boxes designed for maximum output, each speaker box is engineered to maximize your subwoofer's potential. Our Proline X series represents the pinnacle of speaker box construction, featuring competition-grade materials and precision engineering for audiophile-level performance.

Subwoofer Enclosures - Audio Intensity

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Speaker Box Enclosures - Premium Subwoofer Boxes & Cabinets

Showing 37 - 48 of 74 results
Kicker Solo X 8" Subwoofer Box - Professional Series Enclosure - Proline X Subwoofer Enclosures for car audio systems
Proline X

Kicker Solo X 8" Subwoofer Box - Professional Series Enclosure

Regular price $ 349.99
Sale price $ 349.99 Regular price
Unit price
The Kicker Solo X 8" subwoofer box delivers uncompromising competition-grade bass performance in a highly compact footprint,...
2015 - 2023 Ford F - 150 & 2017 - 2023 F - 250 Direct Fit Behind - Seat Subwoofer Enclosure | Super Duty Model|Proline X|Audio Intensity
Proline X

F-150 Behind Seat Single 10" (2015-2023) Subwoofer Enclosure | Super Duty Model

Regular price From $ 359.99
Sale price From $ 359.99 Regular price
Unit price
F-Series Bass Upgrade: Powerful Sound Without Sacrificing Space As the Ford F-150, a top-line vehicle...
ARC Audio X2 Series 12” Sealed Subwoofer System Proline X
Proline X

ARC Audio X2 Series 12” Sealed Subwoofer System

Regular price $ 379.99
Sale price $ 379.99 Regular price $ 379.99
Unit price
🎵 ARC AUDIO X2 V2 12" SEALED SYSTEM 🎵 Complete Subwoofer + Sealed Enclosure Package...
Proline X - Ground Zero Hydrogen 10 - inch Subwoofer Box|Proline X|Audio Intensity
Proline X

Proline X - Ground Zero Hydrogen 10-inch Subwoofer Box

Regular price $ 389.99
Sale price $ 389.99 Regular price
Unit price
Maximize Your Subwoofer Performance with Proline X Enclosures Upgrade your Ground Audio subwoofers with the...
Skar EVL 12: Professional Series 12 - Inch Ported Box|Proline X|Audio Intensity
Proline X

Skar EVL 12: Professional Series 12-Inch Ported Box

Regular price $ 399.99
Sale price $ 399.99 Regular price $ 0.00
Unit price
Skar EVL 12 Box: Unleash the Beast This ain't your basic box! It's built to...
2024 Ford F - 150 Behind Seat Subwoofer Box|Proline X|Audio Intensity
Proline X

F-150 Behind Seat Single 10" (2024-2025) Behind-Seat Subwoofer Enclosure

Regular price From $ 399.99
Sale price From $ 399.99 Regular price
Unit price
Upgrade Your 2024+ Ford F-150 with a True Direct-Fit Subwoofer Enclosure. Ford’s 2024+ F-150 models...
12 inch Ported Box for Sundown SA 12|Proline X|Audio Intensity
Proline X

12 inch Ported Box for Sundown SA 12

Regular price $ 399.99
Sale price $ 399.99 Regular price $ 0.00
Unit price
Maximize Your Sundown SA 12: Custom Box, Epic Bass This ain't your basic box! It's...
Custom Fit Subwoofer Enclosure for Ford Trucks: Optimal Behind - Seat Sub Box with Passive Radiator (PR Edition)|Proline X|Audio Intensity
Proline X

F-150 Behind Seat Single 10" (2015-2023) Behind-Seat Subwoofer Enclosure | PR Edition with Passive Radiator

Regular price $ 449.99
Sale price $ 449.99 Regular price
Unit price
F-Series Bass Upgrade: Maximum Sound, Zero Wasted Space  Fits F150 2015-2023, SuperDuty 2017-2023. Additional modifications...
Arc Audio A10 Loaded Subwoofer Enclosure (Sealed | Down Fire)|Proline X|Audio Intensity
Proline X

Arc Audio A10 Loaded Subwoofer Enclosure (Sealed | Down Fire)

Regular price $ 499.99
Sale price $ 499.99 Regular price
Unit price
Arc Audio A10 Loaded Subwoofer Enclosure (Sealed | Down Fire) The Arc Audio A10 Loaded...
Kicker Solo X 10" Subwoofer Box - Professional Series Enclosure for Compact High - Performance Bass|Proline X|Audio Intensity
Proline X

Kicker Solo X 10" Subwoofer Box - Professional Series Enclosure for Compact High-Performance Bass

Regular price $ 499.99
Sale price $ 499.99 Regular price
Unit price
The Kicker Solo X 10" subwoofer box delivers uncompromising competition-grade bass performance in a more...
2015–2023 Ford F - 150 / 2017–2023 F - 250 Dual 10 inch Direct Fit Sealed Subwoofer Enclosure|Proline X|Audio Intensity
Proline X

F-150 Behind Seat Dual 10" (2015-2023)

Regular price $ 529.99
Sale price $ 529.99 Regular price
Unit price
Dual 10" Subwoofer Enclosure for 2015–2023 Ford F-150 & 2017–2023 F-250 Engineered to install behind...
Arc Audio A12 Loaded Subwoofer Enclosure (Sealed | Down Fire)|Proline X|Audio Intensity
Proline X

Arc Audio A12 Loaded Subwoofer Enclosure (Sealed | Down Fire)

Regular price $ 549.99
Sale price $ 549.99 Regular price
Unit price
Introducing the ARC Audio A12 Loaded Subwoofer Enclosure – Sealed Down-Fire. This product combines the...
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Complete Speaker Box Selection Guide

Types of Speaker Box Enclosures

Sealed Speaker Box Designs
Sealed enclosures represent the gold standard for accurate bass reproduction. These speaker box designs provide tight, controlled bass response with excellent transient response, making them ideal for music that demands precision. Sealed subwoofer boxes typically require smaller volumes than ported designs, making them perfect for space-constrained installations while maintaining exceptional sound quality.

Ported Speaker Box Configurations
Ported enclosures maximize bass output by using precisely tuned ports to enhance low-frequency response. These speaker box designs can produce significantly higher output levels than sealed enclosures, making them ideal for high-output applications and music genres that emphasize deep bass impact.

Bandpass Speaker Box Systems
Bandpass enclosures combine sealed and ported chambers to create highly efficient speaker box designs that excel in specific frequency ranges. These specialized enclosures can produce exceptional output levels while maintaining controlled response characteristics. Learn more about bandpass enclosure sound characteristics to determine if this speaker box type suits your needs.

Speaker Box Size Categories

Compact Speaker Box Solutions
For space-constrained installations, compact speaker box designs maximize performance in minimal space. Our 8 inch subwoofer boxes provide excellent bass response in tight installations, while 10 inch enclosures offer increased output without consuming excessive space.

Full-Size Speaker Box Options
When maximum performance is the goal, full-size speaker box enclosures deliver uncompromising bass response. Our 12 inch subwoofer boxes represent the sweet spot of performance and practicality, while 15 inch subwoofer enclosures provide ultimate bass authority for serious enthusiasts.

Custom vs. Universal Speaker Box Designs

Vehicle-Specific Speaker Box Solutions
Custom vehicle subwoofer enclosures maximize performance by utilizing every available cubic inch of space. Our vehicle-specific speaker box designs integrate seamlessly with factory interiors while providing optimal acoustic performance. Popular applications include Ford F150 subwoofer boxes and Ford F250 subwoofer boxes that fit perfectly in crew cab configurations.

Universal Speaker Box Applications
Universal speaker box designs offer flexibility for multiple applications and easy installation across various vehicles. These enclosures provide excellent performance while maintaining compatibility with different subwoofer brands and installation requirements.

Speaker Box Construction Quality

Premium Materials and Construction
Quality speaker box construction begins with premium materials. Our enclosures utilize high-grade MDF with precision joints, internal bracing, and professional carpet finishes. The Proline X series represents our flagship speaker box line, featuring competition-grade construction with advanced dado and V-cut joinery for maximum structural integrity.

DIY Speaker Box Considerations
For enthusiasts interested in custom builds, our DIY subwoofer enclosure designs guide provides comprehensive information on speaker box construction techniques and design principles.

Speaker Box Performance Optimization

Proper Volume Calculations
Each subwoofer requires specific speaker box volumes for optimal performance. Our essential guide to choosing the right subwoofer enclosure explains how to match enclosure specifications with subwoofer requirements for maximum performance.

Integration with Audio Systems
Modern speaker box installations often integrate with car amplifiers and DSP processors for optimal system performance. Proper speaker box selection considers the entire audio system, including amplification requirements and integration with existing car speakers.

Professional Installation and Setup

Speaker Box performance depends heavily on proper installation and system tuning. Professional installation ensures optimal acoustic coupling, proper amplifier matching, and seamless integration with your vehicle's audio system for maximum bass performance and reliability.

Proline X Performance Optimized Dual 10 inch Ported Box - Proline X Subwoofer Enclosures for car audio systems

Speaker Box Enclosures - Premium Subwoofer Boxes & Cabinets

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