speaker level inputs

2014 Sport 2 AWG power/ ground wire AudioControl D-6-1200 Alpine R-S65.2 Alpine R-S65C.2 JL AUDIO 10TW3-D8 Having issues with my new install. I created a t-harness from a Metra 71-1729 and two Metra 70-1729 soldered to a Metra MC918-20 9 conductor cable and ran in down through the dash and...

Hi, I am a rookie for all the mods and DIY stuff so please be patient with me. I have a 2005 Honda Accord V6 with factory radio with XM as a head unit. I installed 2 Alpine MRP-M500 Amps with 2 10 inch E series subs. I am using the speaker level inputs on the amps so I dont have to run Pre-amp...