Alto Professional Stealth1

Stealth 1 is the portable UHF mono wireless system that every live sound engineer needs in their arsenal. With Stealth 1 any XLR connection can quickly and easily become a wireless one – mixers, powered speakers, outboard gear, and even dynamic microphones.
Stealth 1 has a feature set that ensures your needs are covered. With a range of up to 100+ft (line of sight), you have the freedom to roam cable-free. With 16 selectable UHF channels, you can avoid pesky interference. And with unlimited running time via USB and 4+ hours of running time using a single AA battery you can count on Stealth 1 to last through your entire set.