have the purpose of connection between the amplifier and subwoofer cables got myself a couple of months since it is in an inconspicuous corner of the room is the way bissl further. which led to my previous cable Combination of oelbach and Hama hum unbearable, especially at low volume. the solution was so simple, grow cables sounded enjoy, without humming, silence can not be more beautiful;) ps: robust finish without defects