Feature 1 Excellent Effect: Transmitter RF circuit and sound circuit are redesigned, increase the chip, the human voice singing teeth sound reduction, better effect. 2 Stable Performance: UHF wireless monitor system has 36 frequency points, 25MHz bandwidth, more stable transmission. 3 3.5mm Input Port: The transmitter adds a 3.5 input port, which can be connected to the live sound card, as a netroots live ear return. 4 Stereo Transmitter: UHF wireless monitor system has a stereo transmitter, stereo means you can hear the fullest and most accurate monitoring sound. 5 36 Selectable Frequency Points: Each system has 36 selectable frequency points, and each frequency band accommodates up to 3 compatible systems at the same time without interfering with each other.Item Type: UHF Wireless Monitor SystemMaterial: Iron ShellFrequency Range: 526-535MhzFrequency Response: 20Hz~18KHzDistance: Approx. 50m/164.0ft Indoors, More Than Approx. 100m/328.1ft OutdoorsPlug: EU PlugVoltage: 100-240V Package List1 x Transmitter1 x Antenna 1 x Power Adapter 1 x Instruction Manual