Car Audio 18" Subwoofers



Do you want your system to be the loudest on the block? An 18" subwoofer with the right sub box, and amplifier set-up will surely achieve the loudest, lowest bass possible. If you want to take your system to competition level, and want the loudest system possible, 18" subs are a must. We stock the loudest subwoofers at the lowest possible prices.



 Car Audio 18 Inch Subwoofers at HalfPriceCarAudio.com
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RE Audio SX18-D2 18" Dual 2 Ohm SX Series Car Stereo Sub Subwoofer SXX18-D2 (SX18D2 / SXX18D2) RE Audio SX18-D2 18" Dual 2 Ohm SX Series Car Stereo Sub Subwoofer SXX18-D2 (SX18D2 / SXX18D2) Our price:
 $395.99
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Kicker S18X 18" Dual 2 Ohm Solo-X Subwoofer [07S18X2] Kicker S18X 18" Dual 2 Ohm Solo-X Subwoofer [07S18X2] Our price:
 $664.99
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Kicker SPAIR 18" S18XSP Dual 2 Ohm Solo-X Cone Replacement [07S18XSP2] Kicker SPAIR 18" S18XSP Dual 2 Ohm Solo-X Cone Replacement [07S18XSP2] Our price:
 $223.39
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Kicker SPAIR 18" S18XSP Dual 4 Ohm Solo-X Cone Replacement [07S18XSP4] Kicker SPAIR 18" S18XSP Dual 4 Ohm Solo-X Cone Replacement [07S18XSP4] Our price:
 $223.39
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RE Audio SX18-D4 18" Dual 4 Ohm SX Series Car Stereo Sub Subwoofer SXX18-D4 (SX18D4 / SXX18D4) RE Audio SX18-D4 18" Dual 4 Ohm SX Series Car Stereo Sub Subwoofer SXX18-D4 (SX18D4 / SXX18D4) Our price:
 $370.95
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Kicker S18X 18" Dual 4 Ohm Solo-X Subwoofer [07S18X4] Kicker S18X 18" Dual 4 Ohm Solo-X Subwoofer [07S18X4] Our price:
 $694.99
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(2) RE Audio SX18 Car Stereo Dual 2 Ohm 4000 Watt Peak 18" Sub Subwoofer Pair Package (2) RE Audio SX18 Car Stereo Dual 2 Ohm 4000 Watt Peak 18" Sub Subwoofer Pair Package Our price:
 $791.98
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Kicker S18XSP 18" Solo-X Cone Replacement SPAIR Dual 2 Ohm [07S18XSP2] Kicker S18XSP 18" Solo-X Cone Replacement SPAIR Dual 2 Ohm [07S18XSP2] Our price:
 $213.59
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Kicker S18X 18" Subwoofer Dual 2 Ohm Solo-X 5000 Watts RMS [07S18X2] Kicker S18X 18" Subwoofer Dual 2 Ohm Solo-X 5000 Watts RMS [07S18X2] Our price:
 $949.95
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(2) RE Audio SX18 Car Stereo Dual 2 Ohm 4000 Watt Peak 18" Sub Subwoofer Pair Package (2) RE Audio SX18 Car Stereo Dual 2 Ohm 4000 Watt Peak 18" Sub Subwoofer Pair Package Our price:
 $741.90
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RE Audio XXX18-D2 18" Dual 2 ohm XXX Series Car Stereo Sub Subwoofer 2000 Watts (XXX18D2) RE Audio XXX18-D2 18" Dual 2 ohm XXX Series Car Stereo Sub Subwoofer 2000 Watts (XXX18D2) Our price:
 $964.99
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Kicker S18X 18" Subwoofer Dual 4 Ohm Solo-X Stereo 5000 Watts RMS [07S18X4] Kicker S18X 18" Subwoofer Dual 4 Ohm Solo-X Stereo 5000 Watts RMS [07S18X4] Our price:
 $684.95
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Result pages: 12