School me on 4 channel amps!

[Original_Ranger84]

Ok well I burnt a lot of midnight oil and stayed up all night pulling my interior out running wires through the door rubber things hooked up all of my speakers with the wire ran them to the amp hooked up the amp to power and the rca's up turned on my stereo and amazingly I somehow managed to hook the right channel with the right speaker the first time!

but thats beside the point I am now suffering from a complete lack of good sound because unless I turn the gain all the way up on the amp i have to turn the stereo up to what I normally have it at to hear anything at all really and I started fiddling with it seeing what I liked then I realized as I was listening to my music I could not hear any vocals what soever even in song that normally have really prominate vocals. I hear the guitar and drums crystal but the vocals are like the backround noise at a live concert. I know I can adjust the amp to where they come out but the only control I know is gain. whats cross over? how do I get the vocals back in my songs?

If it helps I have a Pioneer Premier DEH 410UB HU and the amp is an Alpine V power MRP-F300 4 channel amp and the speakers are Pioneer Premier TS-D6802R. I know with just the HU the vocals came through the speakers great and I just have no clue how to adjust the amp. Any advice?

 

[rangerboy101]

Is there a filter on your amp? Like High Pass, Low Pass, or All Pass? On my Rockford Fosgate there's a switch like that. If your amp has one, make sure it's in the "All Pass" position.

 

[7.5L_STX]

i know lots of pioneer cd players have a high/low pass filter that you can adjust, and there should also be one on the side of your amp.

 

[Original_Ranger84]

Yeah the front is set to all pass and the rear is as well except I put the bass booster on the rear.

I'm going to try matching the frequencies my amp puts out to what my normal speaker range is and see if that helps.

 

[feellnfroggy]

Did it help? what outputs on the head unit did you use? was it the rca front rear outputs or the regular speaker wires run to the amp? Did you use the sub-out rca's? There should be a EQ or simlar as well as the equivalent to a 'loud' setting on the menu of the head unit. Most likely youhave the wrong input to the amp form the back of the head unit.