Shure uses four pin mini-XLR (TA4F) in their wireless transmitters. Same cable works with all Shure devices. You might want to make your own cable with high quality parts, to the length you desire. TA4F mini-XLR is connected as follows:
- Plug tip - mini XLR pin 3
- Plug sleeve - mini XLR pin 1ﾠ
In Line 6 units pin 4 is also connected to ground. According to their tech support connecting pins 1 and 4 makes the ground connection mechanically stronger and does not affect the sound.