QLX-D and ULX-D with electric guitars

FAQ #4799 Updated December 17, 2015

Question:

I have encountered a strange issue. I own QLX-D and ULX-D. Both sound great on guitar. But on some guitar setups, I've noticed that there is an odd audible noise present. Any ideas?

Answer:

Some guitars (and other instruments) with poorly shielded or poorly grounded internal preamps / electronics can be susceptible to noise into the audio path if used with ULXD and QLXD. This is caused by a radio frequency component present in common digital transmission schemes, such as used in QLX-D and ULX-D.

Sometimes the noise can be reduced by moving the wireless transmitter farther away from the guitar body. The better solution is to improve the shielding / grounding in the guitar electronics if possible.  

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