10 Best 18 Inch Subwoofer of December 2025

• 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

Skar Audio

• 18 in. compact subwoofer.
• 350 W (continuous), 1400 W (peak) power capacity.
• The rugged enclosure is constructed from 19 mm (. 75 in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for durability and improved low-frequency performance. The enclosure is covered in black carpet.
• A top mounted, cast aluminum 35 mm pole mount receptacle can receive an optional SS3BK pole to facilitate use of the JRX218S as a base for a midhigh speaker cabinet.
• Non-resonant, all steel handles are used.
• Attractive 18-gauge perforated steel grille protects components from damage.

JBL Professional

• Ev QuickSmart mobile application: quickly and wirelessly configure, control and monitor up to six Elx200 loudspeakers simultaneously
• Quicksmartdsp features best-in-class processing
• High-efficiency 1200 W Class-D power amplifier delivers up to 132 dB peak SPL utilizing Ultra efficient, high-sensitivity transducer designed and engineered by EV
• Ideal for portable and installed applications
• Professional-grade hardware: integrated M20 Threaded pole Mount plate and two-handle design for easy lifting
• Connectivity technology: Wired

Electro-Voice

• 2,000 RMS/4000WATT (CONSERVATIVE RATED)
• DUAL D2 3" 8 LAYER AMERICAN MADE VOICE COIL
• FEA OPTIMIZED MOTOR
• COMPETITION CAR AUDIO BUILD QUALITY

Resilient Sounds

• 18" design for enormous air movement
• Over 2" of total cone travel!
• 1000 watts RMS power handling
• Dual mirror-imaged linear spiders ensure distortion-free excursion
• Dual 2 ohm, 2-layer copper voice coils

Dayton Audio

• Harmony Audio HA-ML182 Monolith 18" Competition SPL Sub 3500W Dual 2 Ohm Subwoofer

Harmony Audio

• 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
• High Flux Ferrite Motor | Advanced Air Flow Cooling Design

Skar Audio

• 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

Skar Audio

• 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

Skar Audio

• Rockville RVW1800P8 1800 Watt 18" Raw DJ 8 Ohm Subwoofer.
• Power Rating: Peak Power: 1800 Watts. Power RMS: 900 Watts.
• Kevlar Reinforced Ultra Stiff Paper Composite Cone.
• Pulp Composite Dust Cap. Expanded and Rolled Steel Basket.
• Treated Accordion Cloth Surround.
• Ultra Saturated, High BL Magnetic Motor Gap.
• 3" High Temperature 4-Layer CCAW High SPL Voice Coil.
• Linear Progressive Conex Dual Spider System. Nickel Plated Banana Plug Terminals.
• Impedance : 8 Ohms. 107 oz. Magnet Motor Structure. Mounting Depth: 7.36" inches.
• Frequency Response : 20 Hz to 500 Hz. Sensitivity : 105dB @ 1w/1m.

Rockville