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? Alpine head unit, amp & sub amp hook-up.

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#1 of 2 OFFLINE   MichaelBarletta



  • 33 posts
  • Join Date: Aug 27 2003

Posted February 01 2004 - 02:31 AM

I am installing an Alpine CDA-9805 head unit along with their MRP-F240 4 channel amp and have no problems here. My question would be regarding the hook-up of a Sub woofer amp. To bridge this amp I would run 1 RCA out of the Head unit (left) RCA Sub Out....and then what?? It seems they want me to run it through the 4 Channel F240 amp some way for some reason. Can't I just run it to my Sub amp alone, bridged? Thanks in advance, Mike.

#2 of 2 OFFLINE   Scott L

Scott L


  • 4,466 posts
  • Join Date: Feb 29 2000

Posted February 01 2004 - 04:50 AM

Mono sub amps usually have two RCA ports for stereo connection, even if the sub(s) play in mono. Keep the connections seperate of the amps (minus the remote lead).

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