Amazon.com: CERWIN Vega 600 watts Active Spare Tire Application Subwoofers Series (VPAS12ST) : Electronics
Mega Audio Spare Tyre Active Subwoofer MABT2121 - Mega Audio
diy subwoofer spare wheel install | diyAudio
Build a Spare Tyre Sub - YouTube
Subwoofer box using the spare tire | DIYMobileAudio.com Car Stereo Forum
JBL BassPro Hub Powered 11" subwoofer enclosure with 200-watt amp — mounts to hub of spare tire at Crutchfield
Awave AST-11TV4 11" active spare wheel subwoofer – SoundQuality.net
For those of you who want more bass but don't want to sacrifice your spare tire or hatch space, I highly recommend this spare tire mount subwoofer : r/GolfGTI
Subwoofer Box as a Spare? Volume Calculations + Build - CarAudioFabrication - YouTube
Awave AST-11tV5 11" active spare wheel subwoofer – SoundQuality.net
JBL BassPro Hub | 11" (279mm) Spare tire subwoofer with built-in 200W RMS amplifier with remote control.