i need to buy a new rca cable since the oldone cheap sh*** broke and leave a pice inside my amplifier.... well i fixed but now i don't know the length of the rca to reach the amplifier from the headunit since the amplifier is mount in the back of the box and the box is facing to inside the car.... i need to nkow if thes cables will make the work http://cgi.ebay.com/ws/eBayISAPI.dll...:X:AAQ:US:1123

 

Is there a reason you can't just grab a measuring tape?

Either measure your old one, or measure a straight line in the car and add 2 or so feet.