OKget a clarion EQ for $60. converts a single preamp input to three 7v outputs with volume and fader. plus, you get 7bands of EQ adjustment.
http://www.onlinecarstereo.com/CarAudio/ProductDetail.aspx?ProductID=16889
Yes.You mean split the signal from the lone rca out on the HU...to both the amps?
Thats what I used to do... //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gifYes.
Your local Radio Shack, Walmart, Home Depot, etc should carry something similar to this;
http://cgi.ebay.com/RCA-Female-To-2-RCA-Male-Cable-Y-Splitter-GOLD-PLATED_W0QQitemZ320054146496QQihZ011QQcategoryZ14965QQssPageNameZWDVWQQrdZ1QQcmdZViewItem