Proline X
Featured Products
Kicker Solo X 8" Subwoofer Box - Professional Series Enclosure
Alpine 10" Ported Subwoofer System | Previous Display
ARC Audio 12” Sealed Downfire Subwoofer System
F-150 Behind Seat Single 10" (2015-2023) Subwoofer Enclosure | Super Duty Model
Proline X - Ground Zero Hydrogen 10-inch Subwoofer Box
Skar EVL 12: Professional Series 12-Inch Ported Box
12 inch Ported Box for Sundown SA 12
F-150 Behind Seat Single 10" (2024-2025) Behind-Seat Subwoofer Enclosure
Sundown SA-12 Loaded 12" Ported Subwoofer Enclosure – Proline-X Professional Series
F-150 Behind Seat Single 10" (2015-2023) Behind-Seat Subwoofer Enclosure | PR Edition with Passive Radiator
Proline-X Bronco Edition | Dual 12” Down Firing Sealed Subwoofer Box
Arc Audio A10 Loaded Subwoofer Enclosure (Sealed | Down Fire)
JL Audio 10TW3-D4 in Proline X Micro Series Enclosure
Kicker Solo X 10" Subwoofer Box - Professional Series Enclosure for Compact High-Performance Bass
F-150 Behind Seat Dual 10" (2015-2023)
Arc Audio A12 Loaded Subwoofer Enclosure (Sealed | Down Fire)
Proline X Micro Round Series Sealed Downfire Enclosure for Double 8" (Stack Fab)
Professional Series Enclosure | JL Audio 13w7 Ported Box
Jeep JK Subwoofer Box 2007-2017 4 Door
F-150 Behind Seat Single 10" (2015-2023) Loaded Subwoofer Enclosure – Kicker CompRT 10
Image Dynamics IDMAX 10 Loaded Subwoofer Enclosure (Sealed)
F-150 Behind Seat Single 10" (2024-2025) Loaded Subwoofer Enclosure – Kicker CompRT 10
Alpine RSW10D4 Shallow Subwoofer in Proline X Micro Series Enclosure
What Proline-X Subwoofer Enclosures Are Designed to Deliver
Proline-X subwoofer enclosures are designed to provide accurate airspace, strong structural integrity, and reliable acoustic performance. Each enclosure is built to help the subwoofer operate with clean movement, tight response, and controlled output. Proline-X focuses on predictable tuning and long-term durability, making these enclosures suitable for daily drivers, high-power setups, or vehicle-specific applications.
Accurate Airspace and Predictable Performance
Every Proline-X enclosure is designed around the correct net volume required for optimal subwoofer performance. Proper airspace ensures the subwoofer maintains linear cone movement, clean frequency response, and stable behavior at higher output levels. This accuracy helps the enclosure deliver tight, controlled bass without boominess or distortion. Whether sealed or ported, Proline-X designs provide consistent performance across music styles.
Rigid Construction With CNC Precision
Proline-X enclosures use CNC-cut panels, strong adhesives, and reinforced joints to prevent panel flex and unwanted vibration. Internal bracing improves rigidity and reduces resonance, allowing the subwoofer to operate cleanly. This precise construction supports high-output performance and long-term reliability. The result is a stable, vibration-free enclosure that maintains sound quality over time.
Sealed, Ported, and Down-Firing Options
The Proline-X lineup includes sealed enclosures for tight, accurate bass and ported enclosures for higher output and deeper extension. Down-firing designs protect the driver while providing smooth low-frequency performance, making them ideal for trucks or SUVs. Each enclosure type is built to match the intended tuning style, giving users options that align with their system goals.
Vehicle-Specific and Universal Solutions
Proline-X offers both universal enclosures and vehicle-specific designs. Vehicle-specific models provide exact fitment for trucks, SUVs, and sedans, using available cabin space efficiently without sacrificing airspace. Universal enclosures offer flexible placement for trunk installs, hatchbacks, or custom audio builds. Each design maintains correct internal volume and durable construction regardless of application.
Enhanced Output With Controlled Bass Response
Proline-X enclosures are tuned to deliver balanced output with clean low-frequency control. Their internal design supports the subwoofer’s mechanical limits while reducing distortion at higher volumes. This improves transient response, reduces muddiness, and helps the system deliver accurate bass for hip-hop, electronic, rock, and other music genres.
Long-Lasting Materials and Strong Assembly
Each enclosure is built from high-grade MDF or premium materials selected for strength and acoustic stability. Airtight construction prevents leaks that can reduce output or introduce noise. The durable assembly supports powerful subwoofers and high-current amplifiers without structural weakness. Proline-X enclosures are built to withstand real-world vehicle environments, vibration, and extended playback.
Compatibility With a Wide Range of Subwoofers
Proline-X enclosures work well with many subwoofer brands and models, including high-excursion and high-power drivers. Correct cutouts, proper mounting depth, and reinforced baffles ensure secure installation. The accurate internal volume supports consistent performance across single, dual, and multi-driver systems.
Why Proline-X Subwoofer Enclosures Stand Out
Proline-X enclosures stand out for their combination of precision, durability, and predictable acoustic performance. They are engineered to provide clean bass, reliable mechanical stability, and long-lasting quality. With CNC construction, tuned airspace, and strong internal bracing, Proline-X offers enclosures that perform consistently in both daily and high-output applications.
This collection features Proline-X subwoofer enclosures built for tight, clean, and powerful bass with reliable performance. These enclosures help shoppers choose options that deliver accurate response, long-term durability, and dependable results for any vehicle audio system.
Proline X
Frequently Asked Questions
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