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<blockquote data-quote="keep_hope_alive" data-source="post: 8010833" data-attributes="member: 576029"><p>look for a 4 channel amp that has two key features:</p><p></p><p>1. a switch to let all four channels work from a two channel input.</p><p></p><p>2. RCA pre-outs that can be sent to the sub amp</p><p></p><p>these are common features, but not all amps have them. ensuring you have these features will simply your installation. you will just run one RCA pair to the 4 channel amp then another pair from the 4 channel amp to the sub amp.</p><p></p><p>alternatively, the sub amp could be first and have pre-outs to feed the 4 channel. if the 4 channel doesn't have a 2 channel input option, they you need RCA y-adapters to fill all four inputs from two.</p><p></p><p>don't forget to buy a decent dual amp install kit, it will come with necessary power wire, grommet, terminals, fuse holders, distribution block, ground wire, and remote wire. it may even include RCA's. expect to spend $100-150 on a good amp install kit.</p></blockquote><p></p>
[QUOTE="keep_hope_alive, post: 8010833, member: 576029"] look for a 4 channel amp that has two key features: 1. a switch to let all four channels work from a two channel input. 2. RCA pre-outs that can be sent to the sub amp these are common features, but not all amps have them. ensuring you have these features will simply your installation. you will just run one RCA pair to the 4 channel amp then another pair from the 4 channel amp to the sub amp. alternatively, the sub amp could be first and have pre-outs to feed the 4 channel. if the 4 channel doesn't have a 2 channel input option, they you need RCA y-adapters to fill all four inputs from two. don't forget to buy a decent dual amp install kit, it will come with necessary power wire, grommet, terminals, fuse holders, distribution block, ground wire, and remote wire. it may even include RCA's. expect to spend $100-150 on a good amp install kit. [/QUOTE]
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