608d: 300w to 600w - 8 Inch Power Tuned Subwoofer - DD Audio
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PreSonus® Eris® Sub8 Studio Subwoofer | Monitors
JBL Stadium 102SSI
Custom Level 5 Front Firing Subwoofer Enclosure for the 2019-2023 GMC – Sounds Good Stereo Online
Amazon.com : Sound Storm Laboratories LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space,