Buying USED Subwoofer? Test & Check THIS!

So you are on a budget but still want to purchase a subwoofer to upgrade the bass performance for your car audio system. A great choice that can have you saving money is to buy used, but if the subwoofer doesn't work you could be left with a paperweight. In this video we explore how to properly test a subwoofer with a multimeter along with other visual and audible tests you can perform to quickly make sure a subwoofer will work. 🔊 Take advantage of show sponsor Crutchfield's "Scratch & Dent" and "Open Box" Options! Potentially save on your next order below - ✔️ New Customer - https://www.crutchfield.com/I-rCAFcYT... ✔️ Existing Customer - https://www.crutchfield.com/i-rCAFcYT... Enjoy the content? Subscribe! ⬇️ Want more? ⬇️ ✅Car Audio Tutorial Library - https://www.caraudiofabrication.com/l... ✅ Box Designs - I help you build your own box! - https://www.caraudiofabrication.com/b... Here at Car Audio Fabrication I teach you how to Master Car Audio in an effort to Design, Build, and Install your ideal car audio system. Whether you are a hardcore basshead or a HiFi focused audiophile I would love to have you subscribe and join our community! Website: https://www.caraudiofabrication.com/   / caraudiofabrication     / caraudiofab     / caraudiofab   Music: No Music Use of information from this video is at your own risk. You MUST view the full disclaimer here: https://www.caraudiofabrication.com/d... Car Audio Fabrication – Master Car Audio – Design, Build, Install