20 Best Skar 18 Subwoofer With Box in 2024 Reviews and Buying Guide

3,381 Reviews Scanned

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1 Skar Audio SK1X18V Single 18' Universal Fit Ported Subwoofer Enclosure Skar Audio SK1X18V Single 18" Universal Fit Ported Subwoofer Enclosure No ratings yet
2 Skar Audio Single 18' 1200W Loaded SDR Series Vented Subwoofer Enclosure | SDR-1X18D2 Skar Audio Single 18" 1200W Loaded SDR Series Vented Subwoofer Enclosure | SDR-1X18D2
3 Skar Audio EVL-18 D2 18' 2500 Watt Max Power Dual 2 Ohm Car Subwoofer Skar Audio EVL-18 D2 18" 2500 Watt Max Power Dual 2 Ohm Car Subwoofer No ratings yet
4 Skar Audio SDR-18 D2 18' 1200 Watt Max Power Dual 2 Ohm Car Subwoofer Skar Audio SDR-18 D2 18" 1200 Watt Max Power Dual 2 Ohm Car Subwoofer No ratings yet
5 Skar Audio ZVX-18v2 D1 18' 3200 Watt Max Power Dual 1 Ohm SPL Car Subwoofer Skar Audio ZVX-18v2 D1 18" 3200 Watt Max Power Dual 1 Ohm SPL Car Subwoofer No ratings yet
6 Skar Audio Dual 12' Subwoofer Enclosure Compatible with 2014-2018 Chevrolet Silverado/GMC Sierra... Skar Audio Dual 12" Subwoofer Enclosure Compatible with 2014-2018 Chevrolet Silverado/GMC Sierra... No ratings yet
7 Skar Audio Single 15' 1600W Loaded SVR Series Vented Subwoofer Enclosure | SVR-1X5D2 Skar Audio Single 15" 1600W Loaded SVR Series Vented Subwoofer Enclosure | SVR-1X5D2 No ratings yet
8 Skar Audio Dual 12' Loaded Sealed Subwoofer Enclosure Compatible with 2002-2018 Dodge Ram Quad/Crew... Skar Audio Dual 12" Loaded Sealed Subwoofer Enclosure Compatible with 2002-2018 Dodge Ram... No ratings yet
9 Skar Audio Dual 12' Complete 5, 000 Watt Subwoofer Bass Package - includes Subwoofers in Ported Box... Skar Audio Dual 12" Complete 5, 000 Watt Subwoofer Bass Package - includes Subwoofers in Ported... No ratings yet
10 Skar Audio Quad 8' Ported Subwoofer Enclosure Compatible with 2019-UP Chevrolet Silverado/GMC Sierra... Skar Audio Quad 8" Ported Subwoofer Enclosure Compatible with 2019-UP Chevrolet Silverado/GMC...
11 Skar Audio Dual 12' Subwoofer Enclosure Compatible with 1999-2006 Chevrolet Silverado/GMC Sierra... Skar Audio Dual 12" Subwoofer Enclosure Compatible with 1999-2006 Chevrolet Silverado/GMC Sierra... No ratings yet
12 Skar Audio Quad 8' Ported Subwoofer Enclosure Compatible with 2015-2024 Ford F-150 SuperCrew Cab... Skar Audio Quad 8" Ported Subwoofer Enclosure Compatible with 2015-2024 Ford F-150 SuperCrew Cab... No ratings yet
13 American Sound Connection Single 18' Subwoofer 1' MDF Universal Fit Vented Port Sub Box Speaker... American Sound Connection Single 18" Subwoofer 1" MDF Universal Fit Vented Port Sub Box Speaker...
14 Skar Audio Triple 8' Complete 2,100 Watt SDR Series Subwoofer Bass Package - Includes Loaded... Skar Audio Triple 8" Complete 2,100 Watt SDR Series Subwoofer Bass Package - Includes Loaded... No ratings yet
15 Sundown Audio Zv6-18 D1 18' ZV5 Series Dual 1-Ohm Car Subwoofer Sundown Audio Zv6-18 D1 18" ZV5 Series Dual 1-Ohm Car Subwoofer
16 Harmony Audio HA-ML1X18D2 18' Dual 2-OHM Monolith Series Subwoofer 3000W RMS Vented Ported Enclosure... Harmony Audio HA-ML1X18D2 18" Dual 2-OHM Monolith Series Subwoofer 3000W RMS Vented Ported... No ratings yet
17 Rockville PBG18 18' Passive 2000 Watt 8 Ohm Pro Audio Subwoofer Sub/MDF Cabinet, Black Rockville PBG18 18" Passive 2000 Watt 8 Ohm Pro Audio Subwoofer Sub/MDF Cabinet, Black No ratings yet
18 Skar Audio Dual 8' Complete 1,400 Watt SDR Series Subwoofer Bass Package - Includes Loaded Enclosure... Skar Audio Dual 8" Complete 1,400 Watt SDR Series Subwoofer Bass Package - Includes Loaded... No ratings yet
19 Sundown Audio X-18 v3 D2 18' 2000W RMS Dual 2-Ohm Subwoofer Sundown Audio X-18 v3 D2 18" 2000W RMS Dual 2-Ohm Subwoofer No ratings yet
20 Skar Audio Quad 8' Ported Subwoofer Enclosure Compatible with 2019-2024 Ram Crew Cab Trucks Skar Audio Quad 8" Ported Subwoofer Enclosure Compatible with 2019-2024 Ram Crew Cab Trucks No ratings yet

Bestseller No. 1
Skar Audio SK1X18V Single 18" Universal Fit Ported Subwoofer Enclosure
  • Universal fit - single chamber 18" Ported subwoofer enclosure
  • Competition Grade - high performance subwoofer box | engineered to sound incredible
  • Kerf (rounded) port design - allows for deep, accurate, and responsive bass
  • Internal air space: 4.75 ft³ | tuned @ 29 Hz
  • Subwoofer hole cut-out diameter: 16.625" | Mounting depth: 13.50"
Bestseller No. 2
Skar Audio Single 18" 1200W Loaded SDR Series Vented Subwoofer Enclosure | SDR-1X18D2
  • SDR Series Single 18-Inch Dual 2-ohm Loaded Subwoofer Enclosure
  • Peak Power: 1,200 Watts, RMS Power: 600 Watts
  • Pre-wired Internally for a 1 Ohm Final Impedance Load at the Terminals for an Easy Installation
  • Premium Vented Enclosure Made of High Strength MDF and Finished in Black Carpeting
  • Double Front Baffle (1.25") with Countersunk Subwoofer Design for Flush and Attractive Appearance
Bestseller No. 3
Skar Audio EVL-18 D2 18" 2500 Watt Max Power Dual 2 Ohm Car Subwoofer
  • Peak Power: 2,500 Watts | RMS Power: 1,250 Watts
  • 3" High Temperature Dual 2-ohm Voice Coil with Black Coating
  • Competition Grade Paper Cone & High Roll Foam Surround | Fs: 37 Hz
  • Premium Suspension Featuring the EVL Series Signature Red Two Layer Spider
  • Sensitivity (SPL): 88.0 dB, Frequency Response: 20 - 300 Hz
Bestseller No. 4
Skar Audio SDR-18 D2 18" 1200 Watt Max Power Dual 2 Ohm Car Subwoofer
  • 18-Inch Dual 2-ohm Car Subwoofer
  • Peak Power: 1,200 Watts | RMS Power: 600 Watts
  • 2.5" 4-Layer High Temperature Copper Voice Coil
  • High Roll Foam Surround and Competition Grade Pressed Paper Cone
  • Frequency Response Range: 18 Hz - 250 Hz | Sensitivity: 87.3 dB
Bestseller No. 5
Skar Audio ZVX-18v2 D1 18" 3200 Watt Max Power Dual 1 Ohm SPL Car Subwoofer
  • 18-inch Dual 1 Ohm SPL Car Subwoofer
  • Peak Power: 3,200 Watts | RMS Power: 1,600 Watts
  • Massive Triple Stack Magnet & High Temperature 3" 8-layer Copper Voice Coil
  • Competition Grade Paper Cone and High Roll Foam Surround
  • Advanced Air Flow Cooling Design | Fs: 26.1 Hz, Xmax: 29mm
Bestseller No. 6
Skar Audio Dual 12" Subwoofer Enclosure Compatible with 2014-2018 Chevrolet Silverado/GMC Sierra...
  • Compatible with 2014-2018 Chevrolet Silverado & GMC Sierra Crew Cab Trucks
  • Dual 12" Sealed Subwoofer Enclosure with Down-Firing Design | Air Space: 1.175 Cubic Ft
  • Finished in a Premium Automotive Grade Black Trunk-liner Carpeting | Fits Under the Rear Seat in Cab - No Modifications Required
  • Subwoofer Cut-out: 11.125" | Subwoofer Mounting Depth: 4.50"
  • Features Independent Wiring Terminal Cups with 12-Gauge OFC Speaker Wire Affixed and Pre-Soldered
Bestseller No. 7
Skar Audio Single 15" 1600W Loaded SVR Series Vented Subwoofer Enclosure | SVR-1X5D2
  • SVR Series Single 15-Inch Dual 2-ohm Loaded Vented Subwoofer Enclosure
  • Peak Power: 1600 Watts | RMS Power: 800 Watts
  • Internal Volume: 3.15 Cubic Ft | Tuned @ 30 Hz
  • Double front baffle (1.25") with countersunk subwoofer design for Flush and attractive appearance
  • Pre-wired Internally for a 1 Ohm Final Impedance Load at the Terminals for an Easy Installation
Bestseller No. 8
Skar Audio Dual 12" Loaded Sealed Subwoofer Enclosure Compatible with 2002-2018 Dodge Ram Quad/Crew...
  • Dual 12-inch 1600 Watt Max Power Sealed Up-firing Loaded Subwoofer Enclosure
  • Compatible with 2002-2018 Dodge Ram Quad/Crew Cab Trucks (Fits under Rear Seat of Cab)
  • Features x2 Skar Audio VD-12 D4 (dual 4-ohm) 12" 800 Watt Max Power Subwoofers
  • Subwoofers Come Loaded and Pre-wired to a 1-ohm Final Impedance Load at the Terminal Wiring Cup
  • Deep & Responsive Bass Output | Finished in a Premium Automotive Grade Black Trunk-liner Carpeting
Bestseller No. 9
Skar Audio Dual 12" Complete 5, 000 Watt Subwoofer Bass Package - includes Subwoofers in Ported Box...
  • All-in-one complete subwoofer bass package
  • Dual 12-inch subwoofers come pre-wired and loaded in vented wedge-style enclosure
  • Skar Audio rp-2000. 1D class D amplifier and 1/0 gauge amp wiring kit included
  • Easy-to-install - tight and accurate bass
  • 5, 000 watts peak power - 2, 500 watts RMS power
Bestseller No. 10
Skar Audio Quad 8" Ported Subwoofer Enclosure Compatible with 2019-UP Chevrolet Silverado/GMC Sierra...
  • Compatible with 2019-2024 Chevrolet Silverado & GMC Sierra Crew Cab Trucks
  • Quad 8" Ported Front-Firing Custom Truck Subwoofer Enclosure | Air Space: 2.80 Cubic Ft
  • Finished in a Premium Automotive Grade Black Trunk-liner Carpeting | Fits Under the Rear Seat in Cab - No Modifications Required
  • Subwoofer Cut-out: 7.50" | Subwoofer Mounting Depth: 7.625"
  • Features Independent Wiring Terminal Cups with 12-Gauge OFC Speaker Wire Affixed and Pre-Soldered
Bestseller No. 11
Skar Audio Dual 12" Subwoofer Enclosure Compatible with 1999-2006 Chevrolet Silverado/GMC Sierra...
  • Compatible with 1999-2006 Chevrolet Silverado & GMC Sierra Extended Cab Trucks
  • Dual 12" Sealed Subwoofer Enclosure with Down-Firing Design | Air Space: 1.50 Cubic Ft
  • Finished in a Premium Automotive Grade Black Trunk-liner Carpeting | Fits Under the Rear Seat in Cab - No Modifications Required
  • Subwoofer Cut-out: 11.125" | Subwoofer Mounting Depth: 5.75"
  • Features Independent Wiring Terminal Cups with 12-Gauge OFC Speaker Wire Affixed and Pre-Soldered
Bestseller No. 12
Skar Audio Quad 8" Ported Subwoofer Enclosure Compatible with 2015-2024 Ford F-150 SuperCrew Cab...
  • Compatible with 2015-2024 Ford F-150 Super Crew Cab Trucks
  • Quad 8" Ported Subwoofer Enclosure with Front-Firing Design | Air Space: 2.00 Cubic Ft
  • Finished in a Premium Automotive Grade Black Trunk-liner Carpeting | Fits Under the Rear Seat in Cab - No Modifications Required
  • Subwoofer Cut-out: 7.50" | Subwoofer Mounting Depth: 6.75"
  • Features Independent Wiring Terminal Cups with 12-Gauge OFC Speaker Wire Affixed and Pre-Soldered
Bestseller No. 13
American Sound Connection Single 18" Subwoofer 1" MDF Universal Fit Vented Port Sub Box Speaker...
  • DURABLE CONSTRUCTION: Crafted with precision and durability in mind, the ASC HP118V enclosure is constructed from high-grade materials. This ensures...
  • ENHANCED SOUND QUALITY: The ASC HP118V enclosure is engineered for excellent sound quality. Its vented design is optimized to enhance bass response,...
  • UNIVERSAL COMPATIBILTY: The HP118V enclosure is designed to fit a wide range of 18-inch subwoofers, making it a versatile choice for car audio...
  • DIMENSIONS: 34-1/4" Width x 22-1/4" Height x 22-1/4" Depth
  • ADDITIONAL ITEM SPECS: Mounting Depth of 20" making it compatible with the majority of 18" subwoofer and a total Air Space of 7.4 Cubic Feet for...
Bestseller No. 14
Skar Audio Triple 8" Complete 2,100 Watt SDR Series Subwoofer Bass Package - Includes Loaded...
  • All-in-One Complete SDR Series Loaded Subwoofer Complete Bass Package
  • Peak Power: 2,100 Watts | RMS Power: 1,050 Watts
  • Includes x1 Skar Audio SDR-3X8D2 Triple 8" Loaded 2,100 Watt Vented Subwoofer Enclosure
  • Includes x1 Skar Audio SKAR4ANL-OFC 4 Gauge Premium OFC Complete Amplifier Wiring Kit
  • High Performance Aftermarket Subwoofer System | Easy to Install
Bestseller No. 15
Sundown Audio Zv6-18 D1 18" ZV5 Series Dual 1-Ohm Car Subwoofer
  • Xmax = 35mm one-way by 70% BL RMS Power = 2000-watts * Heavily vented magnetic gap * Optimized high-velocity pole vent * Innovative high-velocity...
  • Spring Loaded Terminals Stitched-On Double-XL Tinsel Leads to prevent fatigue and failure Mega-Roll v.2 Surround Technology High strength, custom...
  • Box Specification Recommendations: Sealed: N/A Ported: 7.00 ft^3 Displacement: 0.26 ft^3 Depth: 11.39" Outside Diameter: 18.42" Cut-Out: 16.69"...
Bestseller No. 16
Harmony Audio HA-ML1X18D2 18" Dual 2-OHM Monolith Series Subwoofer 3000W RMS Vented Ported Enclosure...
  • SOLID CONSTRUCTION: HA-ML1X18D2, the subwoofer, and enclosure are purposefully built to withstand the demanding conditions of audio applications. The...
  • HIGH-PERFORMANCE 18" SUBWOOFER: The HA-ML1X18D2 is an 18" Dual 2-Ohm Monolith Series Subwoofer, designed to be a powerhouse in-car audio with an...
  • VERSATILE WIRING WITH DUAL 2-OHM IMPEDANCE: Equipped with dual 2-ohm impedance, this subwoofer offers versatility in wiring options. Users can adapt...
  • VENTED BOX FOR SUPERIOR BASS: Housed in a vented enclosure box, this subwoofer is designed for superior bass. The vented structure ensures efficient...
  • ADDITIONAL ITEM SPECS: The 18" Monolith Series Car Subwoofer, measuring 32.4 x 30 x 26 inches and weighing 100.35 pounds, delivers impressive audio...
Bestseller No. 17
Rockville PBG18 18" Passive 2000 Watt 8 Ohm Pro Audio Subwoofer Sub/MDF Cabinet, Black
  • Rockville PBG18 18" 2000 Watt Passive Pro Subwoofer w/ MDF Cabinet and Pole Mount.
  • 18" Pro audio woofer. 1,000 Watts RMS Power. 1,500 Watts Program Power Handling.
  • 2,000 Watts Peak Power. 4" KSV voice coil. 100 oz. woofer magnet. Vented Enclosure for Improved Bass Response.
  • Construction: High-Density, High-Quality Non Resonant MDF, Stapled, Bonded & Braced.
  • Ergonomic Recessed Handles. Molded Steel Grill. Aviation Grade Black Carpet.
Bestseller No. 18
Skar Audio Dual 8" Complete 1,400 Watt SDR Series Subwoofer Bass Package - Includes Loaded Enclosure...
  • All-in-One Complete SDR Series Dual 8-inch Loaded Subwoofer Complete Bass Package
  • Peak Power: 1,400 Watts | RMS Power: 700 Watts
  • Includes x1 Skar Audio SDR-2X8D4 Dual 8" Loaded 1,400 Watt Vented Subwoofer Enclosure
  • Includes x1 Skar Audio RP-800.1D Class D 800 Watt Mono-block Car Subwoofer Amplifier
  • Includes x1 Skar Audio SKAR4ANL-OFC 4 Gauge Premium OFC Complete Amplifier Wiring Kit
Bestseller No. 20
Skar Audio Quad 8" Ported Subwoofer Enclosure Compatible with 2019-2024 Ram Crew Cab Trucks
  • Compatible with 2019-2024 Ram 1500 (5th Gen) Crew Cab Trucks (Does NOT Fit Classic or Quad Cab Models - Only Fits 5th Gen Crew Cab))
  • Quad 8" Vented Subwoofer Enclosure with Forward-Firing Design | Air Space: 2.20 Cubic Ft
  • Finished in a Premium Automotive Grade Black Trunk-liner Carpeting | Fits Under the Rear Seat in Cab - No Modifications Required
  • Subwoofer Cut-out: 7.50" | Subwoofer Mounting Depth: 5.50"
  • Features Independent Wiring Terminal Cups with 12-Gauge OFC Speaker Wire Affixed and Pre-Soldered
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