I need to add a rca input to my symphony2 radio. Which product is best for this the Soundgate or the Blitzsafe and why?

Thanks

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2002 Audi A4 3.0L Quattro

id use an aftermarket deck. stock is good for propping up the short leg of the couch or as a door stop

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dont kill me

Both of these products work the same way - so I suggest you get which model is less expensive, or has better customer support.