If you're looking for a full rehearsal audio solution, The Anchor Audio
MegaVox Packages are the best (and most affordable) options.
This TA4F to 3.5mm Stereo Cable Adapter from Anchor Audio will allow you to plug any instrument or metronome that has a 3.5mm/1/8" standard auxiliary audio cable jack in to the Anchor Audio wireless beltpack transmitters, and transmit stereo audio. This cable will let you run a metronome wirelessly on the field when used with the wireless beltpack.
