JBL BassPro Go Powered subwoofer (100-watt RMS amplifier) and built-in portable Bluetooth® speaker at Crutchfield
Amazon.com: PRV AUDIO 6.5 Inch Speakers Midbass Woofer 6MB200-4 v2 200 Watts Program Power, 4 Ohm, 100 Watts RMS, 1.5 in Voice Coil, Perfect for Small Custom Enclosures for Pro Car Audio
Sundown Audio (E65CS) E series 6.5" 4 Ohm 100 Watts RMS Component Speakers - Down4Sound Shop
NEW 4" inch Super Mini Woofer Speaker Driver 4 ohm 100 watts | eBay
JBL SUBBPGOV2AM Compact Powered Car Subwoofer - 100-watt RMS Amplifier with Built-in Portable Bluetooth® Speaker - Black | BrandsMart USA
5Core 10" inch Replacement audio car speaker Subwoofer DJ Speaker Car Sub Woofer Loudspeaker(Rms 100 Watt/Peak power 1000 Watt,8 Ohm )WF 10120 3pcs | Reverb