so the other day my line ou converter went out so i put a new one in and then i went to retune the amp since it was a diferent lineout converter. but the subs were barely hitting but if i unplug one of the input rcas on the amp it get loud like its sposed to be and it doesnt matter which one right or left. i even tried useing a y conector and making th 2 rcas 1 but it was just quite too what do u think is wrong.
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jbl amp help RCA problems