Owners Manual
Page 2
... one speaker to the left (marked L) terminals of the amplifier (or receiver) with reversed polarity, the sound will be unnatural and lack bass. Model] [Europe, China and General models] Black (-) - -+ Press + Red (+) Loosen Tighten Black (-) Red (+) Speaker (R) Speaker (L) Speaker (R) Speaker (L) Speakers output terminals of each other as this could damage the speaker...
... one speaker to the left (marked L) terminals of the amplifier (or receiver) with reversed polarity, the sound will be unnatural and lack bass. Model] [Europe, China and General models] Black (-) - -+ Press + Red (+) Loosen Tighten Black (-) Red (+) Speaker (R) Speaker (L) Speaker (R) Speaker (L) Speakers output terminals of each other as this could damage the speaker...