volt meter

Suggestions on Amp, Compositor, and Upgraded battery I should purchase to deliver maximum performance. A list of items bought to install in my 2008 Mercedes E550. Head Unit: Pioneer DMH-T450EX Peak: 50 watts x 4 channel RMS: 22 watts x 4 channel Tweeters: (X8) JBL 192T 3/4” (19mm) Peak: 150...

I got one of those cheap 3.5in volt/amp meter. Considering the price, I am not expecting much. But, it came with a shunt that will need to go right in the middle of my power cable. I was wondering if anyone had any experience with this or any input? If I install this shunt will there be a...

Whats goin on people, So heres the deal. I've had my Stinger Volt Meter installed for a while and never really noticed a problem albeit I didn't really compare the voltage at the battery, vs the voltage at the amplifier with a handheld DMM vs the Stinger Volt Meter. However after I installed...