Shop DIY 18 Inch Sub Box

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$91.99
$125.10
Skar Audio SDR-1X18D2 Single 18 Inch 1,200 Watt Loaded SDR Series Vented Subwoofer Enclosure With Black Carpet
shedfriends
26% off
$91.99
$125.10
Skar Audio SDR-1X18D2 Single 18 Inch 1,200 Watt Loaded SDR Series Vented Subwoofer Enclosure With Black Carpet
shedfriends
$78.69
$106.23
Skar Audio Single 18" 1200W Loaded SDR Series Vented Subwoofer Enclosure | SDR-1X18D2
versactfit
25% off
$78.69
$106.23
Skar Audio Single 18" 1200W Loaded SDR Series Vented Subwoofer Enclosure | SDR-1X18D2
versactfit
$444.99
SAP-18S - 18" Down Firing Pro Audio Subwoofer Cabinet
Seismic Audio Speakers
$444.99
SAP-18S - 18" Down Firing Pro Audio Subwoofer Cabinet
Seismic Audio Speakers
$71.93
$95.67
Denovo Audio Knock-Down MDF 4.0 Cu. Ft. Subwoofer Cabinet For Dayton Audio 18" Ultimax
Alternativasca Online One
24% off
$71.93
$95.67
Denovo Audio Knock-Down MDF 4.0 Cu. Ft. Subwoofer Cabinet For Dayton Audio 18" Ultimax
Alternativasca Online One
$108.28
$147.26
Skar Audio ZVX-18V2 D2 18 Inch 3000W Max Power Dual 2 Spl Subwoofer
shedfriends
26% off
$108.28
$147.26
Skar Audio ZVX-18V2 D2 18 Inch 3000W Max Power Dual 2 Spl Subwoofer
shedfriends
$554.99
Tremor 18 - 18" Powered Pro Audio Subwoofer Cabinet
Seismic Audio Speakers
$554.99
Tremor 18 - 18" Powered Pro Audio Subwoofer Cabinet
Seismic Audio Speakers
$304.99
SAP-18SFF Empty - 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
Seismic Audio Speakers
38
$304.99
SAP-18SFF Empty - 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
Seismic Audio Speakers
$1,089.99
Tremor 18 - 18" Powered Pro Audio Subwoofer Cabinet (Pair)
Seismic Audio Speakers
40
$1,089.99
Tremor 18 - 18" Powered Pro Audio Subwoofer Cabinet (Pair)
Seismic Audio Speakers
$399.99
$499.98
Peavey (2) Pro 18 Replacement 18" Sub Speaker For PV118 Subwoofer Cabinet New
HifiSoundConnection Bing Store
Free shipping
19% off
$399.99
$499.98
Peavey (2) Pro 18 Replacement 18" Sub Speaker For PV118 Subwoofer Cabinet New
HifiSoundConnection Bing Store
$304.99
SAP-18Sempty - 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
Seismic Audio Speakers
10
$304.99
SAP-18Sempty - 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
Seismic Audio Speakers
$743.95
Rockville RBG18FA 18" 3000 Watt Powered Subwoofer Folded Horn PA/DJ Sub + Riser
Rockville Audio
Free shipping
$743.95
Rockville RBG18FA 18" 3000 Watt Powered Subwoofer Folded Horn PA/DJ Sub + Riser
Rockville Audio
$1,574.99
Presonus CDL Sub18 18-Inch Powered Subwoofer 2,000-Watt Powered Subwoofer With 18" Woofer, Onboard DSP, And Pole Mounts (Each)
Sweetwater
$1,574.99
Presonus CDL Sub18 18-Inch Powered Subwoofer 2,000-Watt Powered Subwoofer With 18" Woofer, Onboard DSP, And Pole Mounts (Each)
Sweetwater
$214.95
Rockville SBG1184 18" 1000 W Passive 4-Ohm Pro DJ Subwoofer, MDF/Pole Mount
Rockville Audio
117
Free shipping
$214.95
Rockville SBG1184 18" 1000 W Passive 4-Ohm Pro DJ Subwoofer, MDF/Pole Mount
Rockville Audio
$214.99
$394.99
Subaru Forester 98-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
Free shipping
45% off
$214.99
$394.99
Subaru Forester 98-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
$699.00
Rockville RBG18FA 18" 3000W Active Powered Pro Subwoofer Folded Horn PA/DJ Sub
Rockville Audio
Free shipping
$699.00
Rockville RBG18FA 18" 3000W Active Powered Pro Subwoofer Folded Horn PA/DJ Sub
Rockville Audio
$679.00
Behringer B1800XP 3000W 18 Inch Powered Subwoofer 18" Active PA Subwoofer With 3000W Class D Amp
Sweetwater
28
$679.00
Behringer B1800XP 3000W 18 Inch Powered Subwoofer 18" Active PA Subwoofer With 3000W Class D Amp
Sweetwater
$2,995.00
$3,495.00
BASSBOSS DJ18S-MK3 2,500-Watt Single 18-Inch Powered Subwoofer 2,500W Powered Subwoofer With 18" Woofer
Sweetwater
3
14% off
$2,995.00
$3,495.00
BASSBOSS DJ18S-MK3 2,500-Watt Single 18-Inch Powered Subwoofer 2,500W Powered Subwoofer With 18" Woofer
Sweetwater
$249.95
Rockville PBG18 18" Passive 2000 Watt 8 Ohm Pro Audio Subwoofer Sub/MDF Cabinet
Rockville Audio
221
Free shipping
$249.95
Rockville PBG18 18" Passive 2000 Watt 8 Ohm Pro Audio Subwoofer Sub/MDF Cabinet
Rockville Audio
$214.99
$394.99
Subaru Outback 00-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
Free shipping
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$214.99
$394.99
Subaru Outback 00-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
$899.99
Peavey Pvs 18 1,000W 18-Inch Powered Subwoofer 1,000W Powered Subwoofer With 18" LF Driver And DSP
Sweetwater
$899.99
Peavey Pvs 18 1,000W 18-Inch Powered Subwoofer 1,000W Powered Subwoofer With 18" LF Driver And DSP
Sweetwater
$2,499.99
QSC KS118 18" 3600W Active Subwoofer
B&H Photo-Video-Pro A
3
Free shipping
$2,499.99
QSC KS118 18" 3600W Active Subwoofer
B&H Photo-Video-Pro A
$399.99
Peavey PV 118 400W 18 Inch Passive Subwoofer 18" 400-Watt Program Power Handling Passive Subwoofer
Sweetwater
8
$399.99
Peavey PV 118 400W 18 Inch Passive Subwoofer 18" 400-Watt Program Power Handling Passive Subwoofer
Sweetwater
$494.90
Rockville RBG18S 18" 2000W Powered PA Subwoofer Sub W/DSP+Limiter Pro/DJ + Riser
Rockville Audio
Free shipping
$494.90
Rockville RBG18S 18" 2000W Powered PA Subwoofer Sub W/DSP+Limiter Pro/DJ + Riser
Rockville Audio
$114.95
Rockville RVW1800P8 1800W 18" Raw DJ Subwoofer 8 Ohm Sub Woofer 107OZ Magnet
Rockville Audio
142
Free shipping
$114.95
Rockville RVW1800P8 1800W 18" Raw DJ Subwoofer 8 Ohm Sub Woofer 107OZ Magnet
Rockville Audio
$214.99
$394.99
Subaru Legacy 95-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
Free shipping
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$214.99
$394.99
Subaru Legacy 95-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
$214.99
$394.99
Fits Honda CR-V 97-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
Free shipping
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$214.99
$394.99
Fits Honda CR-V 97-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
$59.99
Single 8-Inch Slot Ported Subwoofer Box Carpeted PB-18-CA
American Muscle
8
$59.99
Single 8-Inch Slot Ported Subwoofer Box Carpeted PB-18-CA
American Muscle
$439.00
Behringer VP1800S 1600W 18-Inch Passive Subwoofer 1,600W/8-Ohm 18" Passive PA Subwoofer
Sweetwater
12
$439.00
Behringer VP1800S 1600W 18-Inch Passive Subwoofer 1,600W/8-Ohm 18" Passive PA Subwoofer
Sweetwater
$899.99
Peavey SP118 V2 2400W 18 Inch Passive Subwoofer 2,400W (Peak) Passive PA Subwoofer With 18" LF Driver
Sweetwater
3
$899.99
Peavey SP118 V2 2400W 18 Inch Passive Subwoofer 2,400W (Peak) Passive PA Subwoofer With 18" LF Driver
Sweetwater
$229.99
$404.99
GMC Sierra Regular Cab 99-18 Harmony Single 12" Loaded Sub Box & CXA400.1 Amp
HifiSoundConnection Bing Store
Free shipping
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$229.99
$404.99
GMC Sierra Regular Cab 99-18 Harmony Single 12" Loaded Sub Box & CXA400.1 Amp
HifiSoundConnection Bing Store
$294.90
Rockville PBG18 18" Passive 2000W 8 Ohm Pro Audio Subwoofer Sub+Acoustic Riser
Rockville Audio
Free shipping
$294.90
Rockville PBG18 18" Passive 2000W 8 Ohm Pro Audio Subwoofer Sub+Acoustic Riser
Rockville Audio
$599.00
Alto Professional TX18S 900-Watt 18-Inch Powered Subwoofer 900W Active Subwoofer With 18" LF Driver And DSP
Sweetwater
2
$599.00
Alto Professional TX18S 900-Watt 18-Inch Powered Subwoofer 900W Active Subwoofer With 18" LF Driver And DSP
Sweetwater
$799.00
Alto Professional TS18S 18-Inch Powered Subwoofer 2,500W Powered Subwoofer With 18" LF Driver, EQ Presets, And Phase Alignment Selector
Sweetwater
4
$799.00
Alto Professional TS18S 18-Inch Powered Subwoofer 2,500W Powered Subwoofer With 18" LF Driver, EQ Presets, And Phase Alignment Selector
Sweetwater
$1,034.99
Yamaha CXS18XLF 2000W 18 Inch Passive Subwoofer 2,000-Watt Passive PA Subwoofer With 18" LF Driver
Sweetwater
1
$1,034.99
Yamaha CXS18XLF 2000W 18 Inch Passive Subwoofer 2,000-Watt Passive PA Subwoofer With 18" LF Driver
Sweetwater
$449.95
Rockville RBG18S 18" 2000 Watt Active Powered PA Subwoofer W/DSP+Limiter Pro/DJ
Rockville Audio
1K+
Free shipping
$449.95
Rockville RBG18S 18" 2000 Watt Active Powered PA Subwoofer W/DSP+Limiter Pro/DJ
Rockville Audio
$680.00
JBL JRX218S 18 Inch Passive Subwoofer 18" Passive PA Subwoofer
Sweetwater
3
$680.00
JBL JRX218S 18 Inch Passive Subwoofer 18" Passive PA Subwoofer
Sweetwater
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Shop DIY 18 Inch Sub Box

Sponsored
About our ads
$91.99
$125.10
Skar Audio SDR-1X18D2 Single 18 Inch 1,200 Watt Loaded SDR Series Vented Subwoofer Enclosure With Black Carpet
shedfriends
26% off
$91.99
$125.10
Skar Audio SDR-1X18D2 Single 18 Inch 1,200 Watt Loaded SDR Series Vented Subwoofer Enclosure With Black Carpet
shedfriends
$78.69
$106.23
Skar Audio Single 18" 1200W Loaded SDR Series Vented Subwoofer Enclosure | SDR-1X18D2
versactfit
25% off
$78.69
$106.23
Skar Audio Single 18" 1200W Loaded SDR Series Vented Subwoofer Enclosure | SDR-1X18D2
versactfit
$444.99
SAP-18S - 18" Down Firing Pro Audio Subwoofer Cabinet
Seismic Audio Speakers
$444.99
SAP-18S - 18" Down Firing Pro Audio Subwoofer Cabinet
Seismic Audio Speakers
$71.93
$95.67
Denovo Audio Knock-Down MDF 4.0 Cu. Ft. Subwoofer Cabinet For Dayton Audio 18" Ultimax
Alternativasca Online One
24% off
$71.93
$95.67
Denovo Audio Knock-Down MDF 4.0 Cu. Ft. Subwoofer Cabinet For Dayton Audio 18" Ultimax
Alternativasca Online One
$108.28
$147.26
Skar Audio ZVX-18V2 D2 18 Inch 3000W Max Power Dual 2 Spl Subwoofer
shedfriends
26% off
$108.28
$147.26
Skar Audio ZVX-18V2 D2 18 Inch 3000W Max Power Dual 2 Spl Subwoofer
shedfriends
$554.99
Tremor 18 - 18" Powered Pro Audio Subwoofer Cabinet
Seismic Audio Speakers
$554.99
Tremor 18 - 18" Powered Pro Audio Subwoofer Cabinet
Seismic Audio Speakers
$304.99
SAP-18SFF Empty - 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
Seismic Audio Speakers
38
$304.99
SAP-18SFF Empty - 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
Seismic Audio Speakers
$1,089.99
Tremor 18 - 18" Powered Pro Audio Subwoofer Cabinet (Pair)
Seismic Audio Speakers
40
$1,089.99
Tremor 18 - 18" Powered Pro Audio Subwoofer Cabinet (Pair)
Seismic Audio Speakers
$399.99
$499.98
Peavey (2) Pro 18 Replacement 18" Sub Speaker For PV118 Subwoofer Cabinet New
HifiSoundConnection Bing Store
Free shipping
19% off
$399.99
$499.98
Peavey (2) Pro 18 Replacement 18" Sub Speaker For PV118 Subwoofer Cabinet New
HifiSoundConnection Bing Store
$304.99
SAP-18Sempty - 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
Seismic Audio Speakers
10
$304.99
SAP-18Sempty - 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
Seismic Audio Speakers
$743.95
Rockville RBG18FA 18" 3000 Watt Powered Subwoofer Folded Horn PA/DJ Sub + Riser
Rockville Audio
Free shipping
$743.95
Rockville RBG18FA 18" 3000 Watt Powered Subwoofer Folded Horn PA/DJ Sub + Riser
Rockville Audio
$1,574.99
Presonus CDL Sub18 18-Inch Powered Subwoofer 2,000-Watt Powered Subwoofer With 18" Woofer, Onboard DSP, And Pole Mounts (Each)
Sweetwater
$1,574.99
Presonus CDL Sub18 18-Inch Powered Subwoofer 2,000-Watt Powered Subwoofer With 18" Woofer, Onboard DSP, And Pole Mounts (Each)
Sweetwater
$214.95
Rockville SBG1184 18" 1000 W Passive 4-Ohm Pro DJ Subwoofer, MDF/Pole Mount
Rockville Audio
117
Free shipping
$214.95
Rockville SBG1184 18" 1000 W Passive 4-Ohm Pro DJ Subwoofer, MDF/Pole Mount
Rockville Audio
$214.99
$394.99
Subaru Forester 98-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
Free shipping
45% off
$214.99
$394.99
Subaru Forester 98-18 Harmony Single 12" Loaded Sub Box Enclosure & CXA400.1 Amp
HifiSoundConnection Bing Store
$699.00
Rockville RBG18FA 18" 3000W Active Powered Pro Subwoofer Folded Horn PA/DJ Sub
Rockville Audio
Free shipping
$699.00
Rockville RBG18FA 18" 3000W Active Powered Pro Subwoofer Folded Horn PA/DJ Sub
Rockville Audio
$679.00
Behringer B1800XP 3000W 18 Inch Powered Subwoofer 18" Active PA Subwoofer With 3000W Class D Amp
Sweetwater
28
$679.00
Behringer B1800XP 3000W 18 Inch Powered Subwoofer 18" Active PA Subwoofer With 3000W Class D Amp
Sweetwater
$2,995.00
$3,495.00
BASSBOSS DJ18S-MK3 2,500-Watt Single 18-Inch Powered Subwoofer 2,500W Powered Subwoofer With 18" Woofer
Sweetwater
3
14% off
$2,995.00
$3,495.00
BASSBOSS DJ18S-MK3 2,500-Watt Single 18-Inch Powered Subwoofer 2,500W Powered Subwoofer With 18" Woofer
Sweetwater
$249.95
Rockville PBG18 18" Passive 2000 Watt 8 Ohm Pro Audio Subwoofer Sub/MDF Cabinet
Rockville Audio
221
Free shipping
$249.95
Rockville PBG18 18" Passive 2000 Watt 8 Ohm Pro Audio Subwoofer Sub/MDF Cabinet
Rockville Audio