Triphase will add a whole new dimension to your electro-play experience! This cable converts your 4 unipolar (or 2 bipolar) accessories on 2 separate channels into 2 unipolar and 1 bipolar accessories on 2 channels combining the sensations of both channels to produce an almost '3D' experience. They are well marked, black will connect to the bipolar and red to the unipolar.  These are standard 2mm pins