I think I am going to take the plunge on this unit. Seems to have everything I could need. EW 172 G2 Article No. 21404 Technical Data RF frequency range 518..... 866 MHz Transmission/receiving frequencies 1440 Presets 4 Switching bandwidth 36 MHz Peak deviation +/- 48 kHz Compander HDX Frequency response (microphone) 40.....18000 Hz Signal-to-noise ratio > 110 dB(A) THD, total harmonic distortion < 0,9 % In compliance with ETS 300422 , ETS 300445 , CE , FCC Antenna connector 2 BNC, 50 Ohm Audio-XLR connector 6,3 mm Audio output level (balanced) XLR: +18 dBu max Audio output level (unbalanced) Jack: +12 dBu max Power supply 10,5 - 16 V DC Dimensions (Receiver) 212 x 145 x 38 mm Weight (Receiver) 1100 g RF output power 30 mW Power supply 2x 1.5 V battery AA (Mignon) Operating time (transmitter) > 8 h Input voltage range mic 1,8 V Input voltage range line 2,4 V Dimensions (Transmitter) 82 x 64 x 24 mm Weight (Transmitter) 158 g I was also looking at the Shure ULXP14 unit, but the price is much better on the Sennheiser, with pretty much the same specs, except for the frequency range. I mainly play 4 string right now. I am still confused to how I run this to my pedal board?