【Quality and technology 】This IEM system employs advanced circuit design and upgrade chips to improves the signal-to-noise ratio, offering clear sound and high fidelity with no latency, clearing the blind angle to keep signals stable . Front panel 1/4-inch monitoring has the headphone jack. Back panel have 6.35 mixed input and two channel independent integrated interface input. 【UHF Wireless in ear monitor system】UHF band , improved comprehensive performance, anti-frequency drop, anti-series frequency. Frequency range: 550 MHz-580 Mhz. 40 frequencies can be switched at will. The dynamic expansion circuit greatly improves the signal-to-noise ratio. 【Suitable For Multiple Places】 The cordless design reduces on-stage clutter, allowing users to move freely in open spaces with an operating range of 164 feet - 229 feet.Good used in stage, broadcast, recording studio, musicians, band performance. 【DESIGN FEATURES】 Wireless in ear monitor with elegant liquid crystal display panel and LCD display low-battery indicator on the receiver. With power and RF receiving indecator lamp. It using two AA batteries and efficient power circuit,longservice time.The metall housing makes it sturdy and durable. 【Buy with Confidence】Depusheng provides worry-free shopping experience service, if you encounter any problems before purchase or during use, please feel free to contact us. Packing list: 1* wireless host transmitter, 4* UHF bodypack receiver, 4* 6.35mm audio data cable, 4* in-ear headphones, 1* power adapter, 2* antenna, 1* instruction manual.(Batteries not included) Depusheng TX4 Wireless in Ear Bodypacks Monitor System, 2-Channel Wireless IEM System, Metal IEM w/ 4 Bodypacks, Rack Mount