CT Sounds Stock at Amplifier Bass Knob Control for CT Sounds at Series Amps Only

hey what's going on guys it is Parker here and today we were going to be looking at the CT sounds bass knob slash volt reader let's get to it on Facebook and you're into car audio you've probably seen ads for CT sounds and they're always advertising one of their subs or something else that they have anyway I saw this little guy on there and I thought you know what that was pretty cool it's a bass knob and it also has a voltmeter now those are two really important things if you're running a system so I figured I might pick one up and check it out see if it was really any good so it comes in a cool little package you can see CT sounds it kind of tells you which wire's go to what um little amazon label covers it up now i just want to say if you buy this straight from amazon it's only twenty bucks or as if you buy it through CT sounds they charge an extra five dollars shipping but then they