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Discussion Starter · #1 ·
I am adding a Focal BUS-25 active subwoofer behind the passenger seat of my Boxster and hooking up to my CDR-24 (base set up, no BOSE or sound package).

The Focal unit has both a low level input (RCA) and a high level input which should be connected to the loudpeaker outputs.

How should I wire the sub to the CDR-24? Does anybody know if the CDR-24 has an RCA output? For the high level would i need to cut into the speaker cables?

Looking at the CDR24 back panel diagram there are auxiliary outputs, CAN Bus High and CAN Bus Low but each looks to have six pins.

Any advice appreciated.
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