4x50 ADJUSTABLE FREQUENCIES Each channel has 50 adjustable frequency groups for this microphone set in UHF 510 590MHz band allowing multiple sets to use at the same time without interference Operating distance is up to 300ft in open space line of sight STABLE WIRELESS PERFORMANCE High quality cardioid capsule and improved circuitry design of each microphone can capture sound and transmit smoothly without dropouts hiss or feedback delivering robust clean and stable sound quality FLEXIBLE CONNECTION OPTIONS The receiver has one 6 35mm 1 4 TRS Output and 4 XLR Balanced Output for easy setup with your home karaoke or speaker system It works with a wide range of sound bars home receivers speakers audio mixers and etc OCCASION It s ideal for conferences broadcasting weddings karaoke social events and any small to medium sized venues such as meeting rooms auditoriums schools churches and small stages PACKAGE CONTENT 1 x UHF wireless receiver 4 x Bodypack 4 x Lavalier Microphone 4 x Headset Microphone 1 x power adapter 1 x 6 35mm audio cable 4 x anti rolling rings 2 x Antennas 1 x user manual Note AA battery Not included