18-Inch Subwoofers for the Builder

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48 products

Resilient Sounds Platinum 18 V2 Subwoofer 5,000W Max / 2,500W RMS
Resilient Sounds
Resilient Sounds Platinum 18 V2 Subwoofer 5,000W Max / 2,500W RMS Price$659.99
Sundown Audio Nightshade NS-Series NS6 18" 3500W Subwoofer NS v.6
Sundown Audio
Sundown Audio Nightshade NS-Series NS6 18" 3500W Subwoofer NS v.6 Price$1,199.99
Sundown Audio M-Series M18 2000W Subwoofer
Sundown Audio
Sundown Audio M-Series M18 2000W Subwoofer Price$749.99
Trinity Audio Solutions B Series 18" Subwoofer 1,500 W RMS
Trinity Audio Solutions
Trinity Audio Solutions B Series 18" Subwoofer 1,500 W RMS Price$399.99
Trinity Audio Solutions H Series 18" Subwoofer — 3,500W RMS Dual Voice Coil
Trinity Audio Solutions
Trinity Audio Solutions H Series 18" Subwoofer — 3,500W RMS Dual Voice Price$964.99
Trinity Audio Solutions M Series 18" Subwoofer — 2,000W RMS Dual Voice Coil
Trinity Audio Solutions
Trinity Audio Solutions M Series 18" Subwoofer — 2,000W RMS Dual Voice Price$639.99
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DS18 Black Diamond 18" High Excursion Subwoofer with Carbon Fiber Cone
DS18
DS18 Black Diamond 18" High Excursion Subwoofer with Carbon Fiber Cone Price$650.00
DS18 Black Diamond 18" High Excursion Subwoofer with Carbon Fiber Cone
DS18
DS18 Black Diamond 18" High Excursion Subwoofer with Carbon Fiber Cone Price$650.00
Colossal Sounds Ultra U-18 18" 2500W RMS Dual Voice Coil SPL Car Audio Subwoofer - front
Colossal Sounds
Colossal Sounds Ultra U-18 18" 2500W RMS Dual Voice Coil SPL Car Audio Price$649.99
DC Audio RS Subwoofer 1800W RMS
DC Audio
DC Audio RS Subwoofer 1800W RMS PriceFrom $449.99
DC Audio NEO Elite 3.5 Subwoofer 3500W RMS
DC Audio
DC Audio NEO Elite 3.5 Subwoofer 3500W RMS PriceFrom $1,559.99
DC Audio XL SPL Subwoofer 2200W RMS
DC Audio
DC Audio XL SPL Subwoofer 2200W RMS PriceFrom $459.99
DC Audio NEO Elite 4.0 Subwoofer 4500W RMS
DC Audio
DC Audio NEO Elite 4.0 Subwoofer 4500W RMS PriceFrom $1,689.99
DC Audio Level 6 M6 Subwoofer 4500W RMS
DC Audio
DC Audio Level 6 M6 Subwoofer 4500W RMS PriceFrom $1,049.99
DC Audio Level 3 Subwoofer 1000W RMS
DC Audio
DC Audio Level 3 Subwoofer 1000W RMS PriceFrom $299.99
DC Audio NEO 3.0 Subwoofer 2200W RMS
DC Audio
DC Audio NEO 3.0 Subwoofer 2200W RMS PriceFrom $999.99
DC Audio XL Elite Subwoofer 2200W RMS
DC Audio
DC Audio XL Elite Subwoofer 2200W RMS PriceFrom $599.99
DC Audio Level 4 M4 Subwoofer 1500W RMS
DC Audio
DC Audio Level 4 M4 Subwoofer 1500W RMS PriceFrom $374.99
DC Audio Level 5 Elite Subwoofer 3500W RMS
DC Audio
DC Audio Level 5 Elite Subwoofer 3500W RMS PriceFrom $809.99
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SoundQubed HDX4.2 18" Subwoofer Dual 1/2 Ohm 4000W RMS Car Audio
SoundQubed
SoundQubed HDX4.2 18" Subwoofer Dual 1/2 Ohm 4000W RMS Car Audio Price$929.95
SoundQubed HDX3.2 18" Subwoofer Dual 1/2 Ohm 2500W RMS Car Audio
SoundQubed
SoundQubed HDX3.2 18" Subwoofer Dual 1/2 Ohm 2500W RMS Car Audio Price$639.95
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B2 Audio X2C 18 V2 18" Speaker 10000W RMS Dual 1 Ohm
B2 Audio
B2 Audio X2C 18 V2 18" Speaker 10000W RMS Dual 1 Ohm Price$2,495.95
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B2 Audio X2C 18 V2 18" Speaker 10000W RMS Dual 2 Ohm
B2 Audio
B2 Audio X2C 18 V2 18" Speaker 10000W RMS Dual 2 Ohm Price$2,495.95
B2 Audio RAMPAGE18 ELITE 18" Subwoofer 5000W RMS Dual 1 Ohm
B2 Audio
B2 Audio RAMPAGE18 ELITE 18" Subwoofer 5000W RMS Dual 1 Ohm Price$1,599.95

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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