It all depends what do you want to do with it. I would skip the xsw. EW G3 are nice systems. But if you want digital and Sennheiser get D1 system. I used to have one. Very easy to set up. And great price too.
Does it have to be Sennheiser?
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MIKIMIKI

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