Y adapter

[waterstone 10+ year member]

Hi,

Right now, I think I'm doing something bad between my HU (kenwood KDC bt742U) and my amp (MB Quart DSC450).

I have connected the RCA wire from the HU to the amp just like if I would be running some rear speaker except that I have used the sub output. But I actually bridged the rear channel to power my sub.

In the amp manual, they say that I need to use a Y adapter. I am not sure even if I had that how to use it but it looks like I should be using a mono source that would then split into the rear two channel of the amp.

It also says that if I don't use a Y adapter, I can damage the output stage of the source or the input stage of the amp.

I have been using this setup for about a year but I bought a new sub and I want to make sure everything is OK.

Thank you

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[keep_hope_alive Premium Member]

I read the manual. You misunderstood the note. They say don't connect speaker outputs together. The y-adapter to feed the amp a mono RCA signal is optional.

You are fine as-is