AD Designs	http://www.adcaraudio.com/	http://www.adcaraudio.com/store/subwoofers	1
Alphasonik	https://www.alphasonik.com/	https://alphasonik.com/pages/car-subwoofers#	1
Alpine	http://www.alpine.com	http://www.alpine-usa.com/product/category/subwoofers/	1
American Bass	http://www.americanbassusa.com/	https://www.americanbassusa.com/collections/subwoofers	1
Ampere Audio	https://xplicitaudio.com/product-brands/ampere-audio/	https://xplicitaudio.com/product-category/subs/	1
Arc Audio	http://www.arcaudio.com/	http://www.arcaudio.com/store?c=45189/Subwoofers	1
Art Sound	http://www.art-sound.net/		0
Audio Plus	http://www.audioplusonline.com/home.php	http://www.audioplusonline.com/home.php?link=brand&id=1&cat=4	0
Audio System	http://www.audio-system.de/	https://www.audio-system.de/produkte/subwoofer/	1
Audiofrog	https://www.audiofrog.com/		1
Audiopipe	http://www.audiopipe.com/	https://audiopipe.com/collections/subwoofers	1
Audioque (Sound Qubed)	https://soundqubed.com/	https://soundqubed.com/category/mobile/subwoofers/	1
Audiotech-Fischer	http://www.audiotec-fischer.com/	https://www.audiotec-fischer.de/en/subwoofers/	0
Audiotop	http://www.audiotop.it/		0
Audison	https://audison.com/	https://audison.com/collections/car-subwoofers/	1
Auditor	http://www.auditor-audio.com		0
Autotek	http://autotekcaraudio.com/	https://autotekcaraudio.com/shop/products/mobile/mobile-subwoofers/	1
B2 Audio	http://b2-audio.com	http://www.b2audio.com/products/subwoofers	1
Bass Face	http://www.bassfaceaudio.co.uk/	http://www.bassfacecaraudio.co.uk/products/subwoofers	1
Bazooka	http://www.bazooka.com/		1
Beyma	http://beyma.com/		1
Blaupunkt	https://blaupunkt.com/c_ee/		1
Boss Audio Systems	http://www.bossaudio.com	https://bossaudio.com/collections/car-audio-subwoofers	1
Boston Acoustics	http://www.bostonacoustics.com/Pages/CountrySelector.aspx		1
Brax	https://www.audiotec-fischer.de/brax/	https://www.audiotec-fischer.de/brax/#brax-subwoofer	1
CDT Audio	http://www.cdtaudio.com/		1
Cactus Sounds			0
Cadence	http://www.cadencesound.com	https://www.cadencesound.com/ecommerce/caraudio.html	1
Celestion	http://celestion.com/		1
Carpower	https://monacor.co.uk/	https://monacor.co.uk/monacor/car-hi-fi/subwoofers.html	1
Cerwin-Vega!	http://cerwinvegamobile.com	https://cerwinvega.com/car-audio/subwoofer.html	1
Ciare	https://www.ciare.com/en/home-3/		1
Clarion	http://www.clarion.com/xe/en/top.html	http://www.clarion.com/xe/en/products-personal/speaker/	1
Concept	http://www.conceptbuy.com/		0
Crunch	http://crunchcaraudio.com/	https://crunchcaraudio.com/shop/products/mobile/mobile-subwoofers/	1
DB Audio	http://dbdrive.net/	http://dbdrive.net/products/subwoofers/	1
DC Audio	http://www.dcsoundlab.com		1
DD Audio	http://ddaudio.com	http://ddaudio.com/products/subwoofers/	1
DLS	http://dls.se	https://dls.se/product-category/car-audio/car-audio-subwoofers/	1
Diamond Audio	http://www.diamondaudio.com/	https://diamondaudio.com/car-audio/subwoofer	1
Dominations	http://dominations.co.id/		1
Dragster	https://dragsteraudio.it/	https://dragsteraudio.it/en/productscategory/subwoofers/d/31	1
Dual Electronics	http://www.dualav.com/	https://www.dualav.com/products/car/subwoofers/	1
Dynaudio	http://www.dynaudio.com/car-audio/		1
ESX	https://www.esxaudio.de/english/	https://www.esxaudio.de/english/subwoofers.html	1
Earthquake	https://www.earthquakesound.dk/en/	https://www.earthquakesound.dk/en/product-category/car-audio/subwoofers/	1
Edge	http://edgecaraudio.com/	https://edgecaraudio.com/collections/subwoofers	1
Eighteen Sound	http://www.eighteensound.com/	http://www.eighteensound.com/en/products/lf-driver	1
Eminence	http://www.eminence.com/		1
Emphaser	http://www.emphaser.com/		1
Eton	http://www.eton-gmbh.com/en/home/	https://www.eton-gmbh.com/en/products/car-hifi/subwoofers/	0
FLI	http://www.fliaudio.co.uk/		0
Faital Pro	http://www.faitalpro.com/	http://www.faitalpro.com/en/products/LF_Loudspeakers/	1
Fi Car Audio	http://www.ficaraudio.com		1
Focal	http://www.focal.com		1
Gladen	http://www.gladen.com/		1
Ground Zero	http://www.ground-zero-audio.com/en/		1
Helix	https://www.audiotec-fischer.de/en/helix/	https://www.audiotec-fischer.de/en/helix/#helix-subwoofer	1
Hertz	http://www.hertzaudiovideo.com/	https://hertz-audio.com/collections/car-audio-subwoofers/	1
HiVi	http://www.swanspeaker.com/company/company.aspx	http://www.swanspeaker.com/products/products.aspx?cid=8	0
Hifonics	http://www.hifonics.com/	https://hifonics.com/shop/products/mobile/mobile-subwoofers/	1
Image Dynamics	http://www.sonicelectronix.com/cat_m178_i857_image-dynamics-car-audio-video-gps.html	http://www.sonicelectronix.com/cat_m178_i39_image-dynamics-car-subwoofers.html	0
Impact Audio	https://www.impactaudio4u.com/car-audio/		0
Incriminator Audio	http://www.incriminatoraudio.com	http://www.incriminatoraudio.com/index.php/products/subwoofers	1
Infinity	https://www.infinityspeakers.com/	https://www.infinityspeakers.com/subwoofers/	1
JBL	http://www.jbl.com/	https://eu.jbl.com/car-subwoofers	1
JBL Selenium	https://jblpro.com/product_families/selenium-components#.VoaqDl7JZE6		0
JL Audio	http://www.jlaudio.com/	https://www.jlaudio.com/pages/car-subwoofers-by-category	1
JVC	http://www.jvc.com	http://mobile.jvc.com/speakersandsubwoofers/index.html	1
Jensen	http://www.jensenmobile.com/	https://jensenmobile.com/product-category/subwoofers/	1
Kenwood	http://www.kenwood.com/	http://www.kenwood-electronics.co.uk/car/amp_spk/com/	1
Kicker	http://www.kicker.com	http://www.kicker.com/Subwoofers	1
Lanzar			0
Legacy	http://www.legacycaraudio.com/	http://www.legacycaraudio.com/cat/Subwoofers	0
Lighting Audio	http://www.lightningaudio.co.za/	http://www.lightningaudio.co.za/subwoofers/	0
Logic Soundlab	http://www.logicsoundlab.com	https://www.logicsoundlab.com/ecommerce/subwoofers.html	1
Match	https://www.audiotec-fischer.de/en/match/	https://www.audiotec-fischer.de/en/match/subwoofers/	1
MB Quart	http://www.mbquart.com/	https://mbquart.com/shop/products/mobile/mobile-subwoofers/	1
McCauley	http://mccauleysound.com/	http://mccauleysound.com/components.cfm	1
MTX Audio	http://international.mtx.com/	http://international.mtx.com/car-audio-subwoofers	1
Mac Audio	http://www.mac-audio.de/	https://www.mac-audio.de/en/Car-Audio/Subwoofer/	1
Macrom	http://www.macrom.it/	https://www.macrom.it/en/audio/amplified-subwoofers	1
Magnat	http://www.magnat.de/en/		1
Massive Audio	http://massiveaudio.com/	http://massiveaudio.com/collections/subwoofers	1
Match	http://www.audiotec-fischer.de/index.php?seo=match	http://www.audiotec-fischer.de/lng/en/match/products/subwoofer/	1
Memphis Car Audio	http://www.memphiscaraudio.com/	https://www.memphiscaraudio.com/subwoofers	1
Morel	https://www.morelhifi.com/		1
NVX	http://www.nvx.com/	https://nvx.com/collections/all-car-subwoofers	1
Orion	http://www.orioncaraudio.com/	https://orioncaraudio.com/collections/subwoofers	1
P.Audio System	http://www.p-audio.co.uk/	http://www.p-audio.co.uk/products/Low_Frequency_Loudspeakers.php	1
PHD	http://www.phd.it/index.php?c=3		0
PSI Car Audio	http://psicaraudio.com/		1
Peerless	http://www.tymphany.com/	https://products.peerless-audio.com/?type=Subwoofer	1
Phoenix Gold	http://www.phoenixgold.com/	https://phoenixgold-eu.com/product-category/subwoofers/	1
Phonocar	http://www.phonocar.it/?lang_code=EN		1
Pioneer	http://www.pioneerelectronics.com/PUSA/	http://www.pioneerelectronics.com/PUSA/Car/Subwoofers	1
Planet Audio	http://www.planetaudiousa.com	http://www.planetaudiousa.com/product-category/subwoofers/	1
Polk Audio	http://www.polkaudio.com/		1
Power Acoustic	http://www.poweracoustik.com	http://poweracoustik.com/car-audio/subwoofers/	1
Powerbass	http://www.powerbassusa.com/	http://www.powerbassusa.com/us/en/products/subwoofers/	1
Precision Power	https://www.precisionpower.com/	http://precisionpower.com/products/subwoofers/	1
Pyle Audio	https://www.pyleaudio.com/home.aspx		1
Quantum Audio	http://www.quantumaudio.net/	https://quantumaudio.net/subwoofers/	1
RE Audio	http://www.reaudio.com/	http://www.reaudio.com/woofers.php	1
RetroSound	http://www.retrosound.com/		1
Rockford Fosgate	http://www.rockfordfosgate.com	https://www.rockfordfosgate.com/products/selector/mobile-subwoofers/	1
SPL Dynamics	http://www.spldynamics.fi/	https://www.spldynamics.fi/subwoofers	0
SPL USA			0
STX	http://stx.pl/webpage/o-firmie.html		1
Skar Audio	http://www.skaraudio.com/	https://www.skaraudio.com/collections/car-subwoofers	1
Sony	http://www.sony.com		1
Sound Ordnance	http://www.soundordnance.com/		1
Sound Qubed	https://soundqubed.com/	https://soundqubed.com/subwoofers/	1
Sound Storm Lab	https://soundstormlab.com/	http://www.soundstormlab.com/product-category/subwoofers/	1
SoundSolutions Audio	http://store.soundsolutionsaudio.com/	https://www.ssaudio.com/products/subwoofers	1
Soundstream	http://www.soundstream.com/	https://soundstream.com/car-audio/subwoofers/	1
Sundown Audio	http://www.sundownaudio.com		1
T3 Audio			0
Tang Bang	http://www.tb-speaker.com/en/	http://www.tb-speaker.com/products/search/30?model_no=&cf_1=&cf_2=10&cf_7=&cf_9=&cf_10=&cf_22=&cf_24=	1
Teac	https://teac.jp/int		1
Treo Engineering	http://www.treoonline.com/		1
Ultimate	http://ultimate-sound.com	http://ultimate-sound.com/car/products.php	0
Venom	http://www.venom-audio.com/home.php	http://www.venom-audio.com/product-categories.php?c=SUBWOOFER	1
Vibe Audio	http://www.vibeaudio.co.uk/	https://vibeaudio.co.uk/car-audio?swoof=1&own_product_type=subwoofers	1
Xplicit Audio	https://xplicitaudio.com/product-brands/ampere-audio/	https://xplicitaudio.com/product-category/car-audio-video/subs/	1
Xtant	http://www.xtant.com	http://www.xtant.com/Products.aspx	0
u-Dimension	http://u-dimension.jp/?lang=en		1
