The product transmits sound but is very quiet. Even at maximum volume, almost no sound can be heard through the speakers. I have followed the color coding in the product details as mentioned on Revain (the product does not come with hookup instructions). It is difficult to say whether this is due to the product or the sheer variety of different speaker types. Maybe one size doesn't fit all? Looks like other users have had good success. But for me I don't have.
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