Hi, Do you make these kinds of tunable white 2700k-7600k LED DC downlight (8W) with 4 wires instead of 3? i.e. two independent channels to control the warm white and the cold white parts separately? In other words, instead of having one WW negative, one CW negative and a common positive (see attached first picture "3-wire" of a corresponding COB module), there are 4 wires separated in two channels instead : CW+/CW- and WW+/WW- (see the second picture "4-wire")
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