Best 18 Inch Subwoofers in 2026

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

ADD BASS: Add some bass to your car with the MTX 2 x 12 subwoofer Party Pack; The enclosure designs delivers bass that exceeds expectation; Each subwoofer can handle 200-watts RMS power (400-watts RMS for entire enclosure)

HIGH QUAILITY: Enclosure is constructed with extra strength 5/8 inch medium density fiberboard to ensure the enclosure contains low frequency sound waves generated by subwoofer without problem

MONO BLOCK AMPLIFIER: Includes a 250-watt mono block amplifier that easily connects to any source, including factory radios; Designed for use with TNE212D enclosure

6-1/2" Woofer With Treated Foam Surround power Output 100 Watts Max85 Hz Low-Pass Filter (18 Db/Octave)

Line- And Speaker-Level Inputs frequency Response 39-85 Hz subsonic Filter (12 Db/Octave At 35 Hz) For Improved Amp Efficiency

Sensitivity 103 Db18-3/8"L X 6-7/8"W X 8-3/16"H2-Ohm Impedance

18-Inch Dual 4-ohm Car Subwoofer

Peak Power: 1,200 Watts | RMS Power: 600 Watts

2.5" 4-Layer High Temperature Copper Voice Coil

SPECIFICATIONS | Size 15-inch | Power (P.M.P.O) 2800 Watts | Power (R.M.S) 1400 Watts | Frequency Response 18-800Hz | Sensitivity 90dB

SPECIFICATIONS | Voice Coil 3.3" BASV 4-Layer | Mounting Depth 225 mm (8 7/8") | Impedance 2 x 2 Ohms | Strontium Magnet 250 Oz.

Audiopipe has been a pioneer and leader in high performance audio equipment.

COMPLETE SOUND PACKAGE: Upgrade your cars sound system with this complete package that includes MTX 12 inch dual loaded car subwoofer, a sub enclosure, Planet Audio monoblock amplifier and a complete 8 gauge amp installation wiring kit

CAR SUBWOOFER: The MTX Terminator series subwoofer system includes 2 subs, sub enclosure and a car amp; Boasts 1200 watts max power and 400 watts RMS; Features rubber surround, polypropylene cone and a 2-inch aluminum single 4 ohms voice coil

SUBWOOFER BOX ENCLOSURE: This MTX enclosure features solid MDF construction and thick black carpet; Dimensions (H x W x D1 x D2): 14 x 29.69 x 13.5 x 11.13 inches

Rockville SBG1184 18" 1000 Watt Passive Pro DJ Subwoofer w/ MDF Cabinet and Pole Mount.

18" Pro audio woofer. 500 Watts RMS. 750 Watts Program Power Handling.

1000 Watts Peak Power Handling. 3" High temperature aluminum voice coil.

1000W of ultra-efficient Mackie Active electronics provide total system optimizations-D Fast Recovery amplification

Mackie Active electronics provide total system optimization

Precision crossover (125Hz)

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

Package Include: (2) Rockville RVP18W8 18" 2400W 8-Ohm Raw Subwoofers

Features: Rockville RVP18W8 18" 1200 Watt Raw Replacement Subwoofer.

Power Handling : Peak Power : 2400 Watts (1200 Watts per Subwoofer). RMS Power Handling : 1200 Watts (600 Watts per Subwoofer).

18-inch Dual 2 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

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

Vented bass subwoofer enclosure

Pro Eighteen 18" premium woofer

Optimized internal low-pass crossover network

18" dual 2-ohm car subwoofer with RMS Power: 650 Watts RMS; Max Power: 1300 Watts MAX; Coil Configuration: Dual 2 Ohm

3 Inch - 4 Layer High-Temperature Copper Voice Coil & Double Slug Y30 Grade Optimized Motor

Flexible High Foam Surround & 3% Carbon Fiber Reinforced Cone

PACKAGE INCLUDES: 2 x PLPW15D 15" Subwoofers and 1 x Dual Subwoofer Ported Box

SUBWOOFERS: The black steel basket and non press paper cone look sleek and the 95 oz. magnet, 2.5 Inch four layer dual voice coil, and specially treated foam surround, make it sound great too.

SUB ENCLOSURE: Enclosure features solid 5/8" MDF construction, charcoal carpet covering, a dual vented design, and terminal cup connectors

18" Monolith Series Car Subwoofer

Mounting Depth: 12"

Power Handling: Peak - 3500 watts, RMS - 1750 watts

18" design for enormous air movement

Over 2" of total cone travel!

1000 watts RMS power handling

2 Years Warranty

Model # - SAP-18SFF (Two) - 500 Watts RMS – 1000 Watts Peak each

Woofer – High Power 18" subwoofer Loud Speaker. Has a 90oz magnet w/ a 3” kapton voice coil

Wired at 8 ohms. 30Hz –125Hz. Sensitivity: 98 db. 3/4 Plywood Front Panel

2 Year Warranty

PEAK PERFORMING SUBWOOFER: Built with a highly powered 1600W peak, 500W Class D Amplification Power and 35 hz-150Hz frequency Range projection, the Avante Achromic Series Subwoofer produces crisp, clear sound.

INTEGRATED POLE MOUNT: A uniquely designed casing with threaded pole mount included allows you to connect your subwoofer to a pole-mounted PA system for a sleek and integrated design.

BUILT IN DIGITAL SOUND PROCESSING: Navigate not only Phase Reversal, Location and Delay, but also Caidioid, Endfire, and Enforce adjsutments all on a easy to navigate digital LCD Display.

18-inch die-cast basket with jet-black finish

High SPL, high power capacity

4-inch single 8-Ohm voice coil

Sundown Audio U-18 D2 18" 1500W RMS Dual 2-Ohm U-Series Subwoofer

Specifications: DC Resistance (Re): 3.8 Ω | Resonance Frequency (Fs): 31.3 Hz | Equivalent Volume (Vas): 135.4 L | Electrical Q Factor (Qes): 0.37 | Mechanical Q Factor (Qms): 3.41 | Total Q Factor (Qts): 0.33 | Voice Coil Inductance (Le): 2.62 mH | Force Factor (BL): 29.9 NA | Moving Mass (incl. Air Load) (Mms): 444.1 g | Suspension Compliance (Cms): 0.06 mm/N | Sensitivity: 92.3 dB 1w / 1m

Box Recommendations: Sealed Enclosure Suggestion: 3.0 cu. ft. | Ported Enclosure Suggestion: 4.0 cu. ft. | Displacement: TBA | Depth: 10.11 in | Outside Diameter: 18.66 in | Cutout: 16.69 in | Recommended Tuning: 32 Hz | Recommended Port Area: 64 sq. in.

600W RMS (1200W peak) Class-D amplifier delivers ample power for high-output applications

Rugged all-wood enclosure with pole cup for mounting full-range loudspeakers

System protection safeguards your investment | Dual XLR inputs