Shure ULXD4-V50 Single-Channel VHF Digital Wireless Receiver 174 to 216 MHz e-ii Pass thru (RCA out) that

Pass thru (RCA out) that also works when using the XLR inputs

and an ebony fingerboard with 24 extra-jumbo frets

hex wrench

it can switch from vertical to the horizontal viewing mode without slipping

Shure ULXD4-V50 Single-Channel VHF Digital Wireless Receiver 174 to 216 MHz e-ii Pass thru (RCA out) thatDigital quad wireless receiver offers an intelligent four channel option for use in any professional sound reinforcement application. Features include Digital Predictive Switching Diversity, 64 MHz tuning range, and AES 256 encryption for security. The Shure ULXD4Q Quad Channel Digital Wireless Receiver offers four channels of uncompromising audio quality, RF signal stability, and advanced setup features in a space efficient single rack unit. Rugged