Recommend the latest ER-202 professional wireless monitoring system, it uses UHF signal transmission, has Bluetooth function, can connect multiple bodypack receivers for wireless monitoring, with high-fidelity HIFI headphones, used for recording studios, stage performances, classroom teaching, conferences speech, etc. ●The transmitter and antenna should kept in the relative position of accessibility of the straight line. ●Don't put the receiver close to the radio wave emission source, with magnetic objects or most digital devices(such as the CD player, computer, speaker, wifi etc ). ●Try to place the receiver in height of 1.5 meters from the ground and the position of a distance of 1 meter away from the wall.

●UHF WIRELESS IN EAR MONITOR SYSTEM - UHF band Phase lock PLL,Among the band of 32MHz,the preset 40 frequencies can be arbitrary switching.Kit includes audio system transmitter, digital belt-pack receiver, in-ear headphones,power,adapter,antenna,user manual,cable line and carrying case. *COMPACT AND WIRELESS - In ear monitor and receiver system offers tabletop stage monitoring.Wireless system enables users to move freely on the stage and a wireless range of up to 250 feet.and the frequency rang is 550MHz-580Mhz;902-928Mhz..Also improve the signal-to-noise ratio of the dynamic range so that the system has the best anti-interference to show the perfect original sound again. ●DESIGN FEATURES(APPERANCE AND DISPLAY) - With a clear digital LCD front panel display for at-a-glance monitoring on the receiver.With power and RF receiving Indicator lamp. It using two AA batteries and efficient power circuit,long service time.Black carrying case for safe-keeping ●POWERFUL COMPERFUL FEATURES - This in ear monitor system has powerful compatibility features that one transmitter can connect multiple receivers.Meet your group needs and multiple application needs.Ideal for on stage performance, studio recording, exhibit, lecture, instruction, speech, etc. ●QUALITY AND TECHNOLOGY GUARANTEED - Using advanced circuit design,clear the receiving blind angle to make the system's receiving signal steady.The system is strong, because of the housing is made by tough metal material.It is the best choice of stage performance monitor product.

The portable and practical mini UHF wireless in-ear monitoring system is convenient for outdoor performance and studio recording and monitoring. It has a good signal transmission distance and clear sound transmission. The built-in lithium battery can be charged through the TypeC interface, and it can be used for more than 4 hours when fully charged. When the signal is interfered, you can manually switch the frequency to avoid signal interference and enhance the applicable usage scenarios. FEATURES ◆UHF signal transmission, the use range can reach about 30 meters. ◆Variable frequency, including a total of 16 channels to choose from. ◆Built-in lithium battery, which can last for more than 4 hours when fully charged. ◆Mini size, weight only about 15g. ◆One transmit signal can be connected to multiple receiver earphones. ◆High-quality audio transmission, clear sound and high degree of reproduction.