11" JBL BassPro Hub Subwoofer Install in 1991 Fox Body Mustang (Spare Tire Well Sub) - TIPS05E48 - YouTube
Alpine - SPC-600G7 Subwoofer System for VW Golf 7, Golf 6 and others
Quality Car Active Under Max 380w Spare Tire Subwoofer Built-in Power Amplifier Car Trunk Tire Audio Speaker Pure Bass Woofer - Subwoofers - AliExpress
Amazon.com: Customer reviews: CERWIN Vega 600 watts Active Spare Tire Application Subwoofers Series (VPAS12ST)