Hi im wondering if u guys know something about mtx 81000D, theres some problem I was unable to hear anything from subwoofer when its all connected as groud/positive connected, remote and speaker wire plus RCA. So the output for subwoofer, was not worked. Is that something with rca? but speaker wires were corrected on terminal so its perfect except no sound.. can u please help? thank you very much if u helped me out.

 

do you have another speaker you could test the amp on? it could be the sub

 

i took those speaker out, to test my other friend's car that has amp.. connected wit speaker, it works.. so i was figured that possibly from rca..i dont know hows it gonna be working..

 

Does the amp turn on?
You can measure audio output from RCA's witha good voltmeter. Low AC range, you should get more than 1 volt when you turn up the volume on your deck.

So, if you have input from RCA's and you've already tested your speaker in another car, and its hooked up correctly, as you say, then you might have a dead amp.

You didn't say what sub or subs you're using and how is it wired?

 

Yes the amp turned on when i connected the ground and positive wires already, and blue line as remoted has been turned everything on as red light.

I was used single sub legacy 12" for tryout but didnt work.. i was thinking its something rca..?