Sennheiser ew IEM G4-Twin Wireless Monitor System Kit (G: 566 to 608 MHz) Guitars Harmonies & Backing vocals

Harmonies & Backing vocals

Apogee Control hardware remote connects directly to your Mac using the included USB cable

Here's what a few of the pros have to say:

so the designers cleverly let you choose longer delay times at the expense of audio quality

Sennheiser ew IEM G4-Twin Wireless Monitor System Kit (G: 566 to 608 MHz) Guitars Harmonies & Backing vocalsFull control over your performance your direct link, everywhere, everyday. The G4 In Ear Monitoring Sets make your gig an extraordinary experience not just for your audience, but also for you. Robust bodypack receiver and reliable in ear monitoring IE 4 headphones delivering clarity along the whole frequency spectrum for daily use on stage.