Shure ULXP4 Wireless Receiver (G3: 470-506 MHz) (TONE KEY ISSUES)
Receiver drops in/out with tone key enabled despite stable RF, indicating unreliable tone key detection. Unit operates normally only when tone key is bypassed.

Shure ULXP4 Wireless Receiver (G3: 470-506 MHz) (TONE KEY ISSUES)
Receiver drops in/out with tone key enabled despite stable RF, indicating unreliable tone key detection. Unit operates normally only when tone key is bypassed.