How BAD is this $129 Powered Subwoofer? Rockville Ground Pounder

#AmpDyno #groundpounder #rockville Rockville "Ground Pounder" 10" Amplified Car Audio Subwoofer SHOP Rockville Ground Pounder Powered Subwoofer: https://amzn.to/3PHASfQ JBL BassPro 12 Powered Subwoofer: https://amzn.to/3Vf1INx Down4Sound JP8 Monoblock Amplifier: https://lddy.no/vvaw Infinity Basslink 10" Powered Subwoofer: https://amzn.to/3BTrHU6 Skar Audio SDR-1X18D2 (sub in box): https://amzn.to/3HST964 8ga OFC Amp Wiring Kit: https://amzn.to/3VdCrDq RELATED VIDEOS JBL BassPro 12: https://youtu.be/73rcUZa0CDI Skar Audio SDR18 Enclosed Subwoofer: https://youtu.be/p0LXfsgmm1Y Car Audio Subwoofers Playlist: https://bit.ly/3HNdn3b ➡️ Support OSS / Williston Audio Labs for early access to videos: http://www.patreon.com/OldSchoolStereo One Time "Tip" for Video Support: https://paypal.me/BigDWiz VIDEO INDEX 0:00 Intro 0:47 Unboxing 1:47 Features and Specs 2:37 SPL Tests 4:44 What's Inside? 6:29 Amp Dyno Tests 8:49 Adding External Amp? 9:24 SPL Tests Part 2 10:45 Do it BUMP Doe? 11:29 Pros and Cons 12:16 Final Thoughts 12:42 Extras! 📒 Show Notes, Video Gear List and Resources 📒 Make sure you are subscribed to my channel so you'll receive notifications when I upload the next exciting video! Thanks for your support and remember to keep it Old School! Subscribe to Williston Audio Labs / OldSchoolStereo Here: https://www.youtube.com/BigDWiz ⚡ Williston Audio Labs on Social Media: http://www.oldschoolstereo.com http://www.willistonaudio.com https://instagram.com/oldschoolstereo https://www.facebook.com/oldschoolstereo VIDEO AND AUDIO GEAR Camera - iPhone 13pro 1TB - https://amzn.to/3nCjGvc RODE Wireless Go II Microphones: https://amzn.to/3Q6NVHl Shure MV7 Microphone: https://amzn.to/3A4OICK Zoom H4n Audio Recorder: https://amzn.to/3BXjVsS 960 LED Panel: https://amzn.to/2Sxoq3S This VIDEO was EDITED with LumaFusion on an iPad Pro 12.9: iPad: https://amzn.to/2Ancr1W Software: https://goo.gl/6yvWss TEST BENCH EQUIPMENT SMD / D'Amore Engineering Amp Dyno: https://goo.gl/sJTcf7 XS Power D1400 Batteries - https://amzn.to/2BPFCKW XS Power PSC60 Charger - https://amzn.to/2CHGcfs Fluke 1000A AC/DC Clamp Meter: https://amzn.to/2Rw5WDA Handheld Dyno: http://amzn.to/2u2EgKV My Favorite Screwdriver Kit: http://amzn.to/2x0VzcE DISCLAIMER: This video and description contains affiliate links, which means that if you purchase from one of the product links, I may receive a small commission. As an Amazon Associate I earn from qualifying purchases