18-Inch Subwoofers for the Builder

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48 products

B2 Audio RAMPAGE18 ELITE 18" Subwoofer 5000W RMS Dual 2 Ohm
B2 Audio
B2 Audio RAMPAGE18 ELITE 18" Subwoofer 5000W RMS Dual 2 Ohm Price$1,599.95
Resilient Sounds Platinum 18 Subwoofer 2,000W RMS
Resilient Sounds
Resilient Sounds Platinum 18 Subwoofer 2,000W RMS Price$499.99
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Resilient Sounds Team 18"D1 5,000-7, Woofer (Musical RMS) Subwoofer 7,500W RMS
Resilient Sounds
Resilient Sounds Team 18"D1 5,000-7, Woofer (Musical RMS) Subwoofer 7, Price$1,024.99
Resilient Sounds Gold 18 V2 Subwoofer 1,500W RMS
Resilient Sounds
Resilient Sounds Gold 18 V2 Subwoofer 1,500W RMS Price$459.99
Crescendo Audio Nendo Series 18" Subwoofer 3000W RMS
Crescendo Audio
Crescendo Audio Nendo Series 18" Subwoofer 3000W RMS Price$699.99
Crescendo Audio Cartel Series 18" Subwoofer 2000W RMS
Crescendo Audio
Crescendo Audio Cartel Series 18" Subwoofer 2000W RMS Price$459.99
Down4Sound DBZ 18" Subwoofer 1300W RMS
Down4Sound
Down4Sound DBZ 18" Subwoofer 1300W RMS Price$349.99
Down4Sound DVX 18" Subwoofer 1700W RMS
Down4Sound
Down4Sound DVX 18" Subwoofer 1700W RMS Price$549.99
Down4Sound TCX 18" Subwoofer 2700W RMS
Down4Sound
Down4Sound TCX 18" Subwoofer 2700W RMS Price$999.99
VFL Comp Signature 18" Car Subwoofer 5000 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm
VFL
VFL Comp Signature 18" Car Subwoofer 5000 Watts RMS Dual Voice Coil 1 Price$1,051.94
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American Bass HD 18" Car Subwoofer 2000 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm
American Bass
American Bass HD 18" Car Subwoofer 2000 Watts RMS Dual Voice Coil 1 Oh Price$685.40
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American Bass Godzilla 18" Car Subwoofer 4700 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm
American Bass
American Bass Godzilla 18" Car Subwoofer 4700 Watts RMS Dual Voice Coi Price$1,156.16
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American Bass Xmaxxx Monster 18" Car Subwoofer 4000 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm
American Bass
American Bass Xmaxxx Monster 18" Car Subwoofer 4000 Watts RMS Dual Voi PriceFrom $1,094.45
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American Bass Godfather 18" Car Subwoofer 3000 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm
American Bass
American Bass Godfather 18" Car Subwoofer 3000 Watts RMS Dual Voice Co Price$1,114.13
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American Bass King 18" Car Subwoofer 6500 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm
American Bass
American Bass King 18" Car Subwoofer 6500 Watts RMS Dual Voice Coil 1 Price$2,034.95
Sundown Audio SA-Series v.2 18" Subwoofer 1250W RMS
Sundown Audio
Sundown Audio SA-Series v.2 18" Subwoofer 1250W RMS Price$499.99
Sundown Audio X-Series v.3 18" Subwoofer 2500W RMS
Sundown Audio
Sundown Audio X-Series v.3 18" Subwoofer 2500W RMS Price$899.99
Sundown Audio Z-Series ZV6 18" 3250W Subwoofer Z v.6
Sundown Audio
Sundown Audio Z-Series ZV6 18" 3250W Subwoofer Z v.6 Price$1,149.99
Sundown Audio U-Series v.2 18" Subwoofer 2000W RMS
Sundown Audio
Sundown Audio U-Series v.2 18" Subwoofer 2000W RMS Price$759.99
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Sundown Audio SDDN 18" Limited Edition Competition Subwoofer 3500W RMS
Sundown Audio
Sundown Audio SDDN 18" Limited Edition Competition Subwoofer 3500W RMS Price$1,499.99
Sundown Audio X-Series XV4 18" 3000W RMS Subwoofer
Sundown Audio
Sundown Audio X-Series XV4 18" 3000W RMS Subwoofer Price$999.99
Orion HCCA181SPLX HCCA Series Subwoofer – 7,500W RMS | JS Ultimate Sounds
Orion Car Audio
Orion HCCA181SPLX HCCA Series 18" 7,500W RMS Subwoofer Dual 1 Ohm Price$2,599.95
Audio Ace Rebellion 18" 4000W RMS Dual 1-Ohm Car Subwoofer
Audio Ace
Audio Ace Rebellion 18" 4000W RMS Dual 1-Ohm Car Subwoofer Price$899.99
Audio Ace Jester 18" 3000W RMS Dual 2-Ohm Car Subwoofer
Audio Ace
Audio Ace Jester 18" 3000W RMS Dual 2-Ohm Car Subwoofer Price$619.99

18-inch subwoofers eligible for the Build Your Own System builder. Bare subwoofers only, each with a verified RMS and impedance.

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