Sennheiser is always a good choice. But, also more money as already Jim Lang said.That is why I said line 6.They are at least 10x better than Shure PGX line of wireless.
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MIKIMIKI

TYROS 5,BEHRINGER X32PRODUCER,YAMAHA DSR112,JBL PRX618s XLF,EV ZLX12p,SENNHEISER E945,....ETC