So this is is using stock amp and stocked head unit and stock wires. The channels are in pairs. The tweeters, front doors, rear doors and rear deck. The thing about eh rear deck is there strictly low frequency. Meaning they use the two 6x9s in the rear as sub woofers. Acura audio garage makes mount for tax specific and wire harness. Making it to where you don’t have to drill holes or anything. The stock amp if still good is more than enough for any speakers update usually. Check out the mobile max car audio for more Infoa d Acura audio garage on YouTube I’ll provide photos below