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
Gladen RS 10 RB - Gladen Mosconi UK
Build a Spare Tyre Sub - YouTube
JBL BassPro Hub | 11" (279mm) Spare tire subwoofer with built-in 200W RMS amplifier with remote control.
JBL BassPro Hub | 11" (279mm) Spare tire subwoofer with built-in 200W RMS amplifier with remote control.
diy subwoofer spare wheel install | diyAudio
Car Spare Wheel/spare Tire Aluminum Active Subwoofer with 200 WATT Amplifier Car 15inch Subwoofer - AliExpress
Sub woofers in the spare wheel well. - Team-BHP
CERWIN VEGA VPAS12ST 12INCH ACTIVE SPARE TYRE WHEEL SUBWOOFER*SAVE THE SPACE* - Driving Sound
JBL BassPro Hub | 11" (279mm) Spare tire subwoofer with built-in 200W RMS amplifier with remote control.
Amazon.com: Cerwin Vega 600 Watts Active Spare Tire Application Subwoofers Series (VPAS12ST) : Electronics
Are Spare Tire Subwoofers Good? - 3 Best Picks For Beginners
Nakamichi 15" 1200W Spare Tyre Active Subwoofer NBF150A - Nakamichi SA
JBL BassPro Hub (Spare Tire Subwoofer) | Jeep Renegade Forum
Subwoofer in the Spare Wheel - Karoq Projects - BRISKODA