However, the original version of the Source Four is rated for up to only 575 watt lamps. The older units are not made to withstand the additional heat from the 750 watt lamp. There is 100' per hank. Most motor controllers have a phase-reverse switch designed for this purpose. If this is not available or does not rectify the problem, check the wiring of each individual motor for correct phasing.
Batteries are extremely important for reliable operation on wireless microphones.
If the battery voltage is too low, the wireless system is much more susceptible to interference. The interference will show itself in pops, fizzes, distortions, or other strange noises. For long life, use brand name alkaline-type batteries. Yes, you can use lithium batteries. However, they are very expensive and although they often last longer, they may not be cost effective in the long-run.