ANLEON S2 863-865mhz Wireless In-ear Monitor Transmitter UHF Stereo IEM System Stage Monitoring Description ANLEON S2 is an IEM system designed for stage performance and broadcasting. High S/N ratio and dynamic range ensures optimal audio quality. The dual XLR inputs allow 2-channel, mono or stereo operation with a convenient mix function which allows you to run two sources into the S2. Intended for drummers/keyboardist/guitar player/vocalist and other performers, the unit features a high-power headphone output that helps to ensure that as the band gets louder, you'll still be able to hear your performance. S2T UHF StereoTransmitter: Volume Control: Adjustment of the volume for both output channels. Stereo/Mono switch: Stereo mode (the device outputs the signal fed into the left input to the left headphone and the right signal to the right headphone). Mono mode (Channel L and channel R are mixed and output to both headphones.) Power Switch: Switches the unit on and off. XLR INPUTS (L) and (R): Dual XLR balanced jacks connect to the input signal source. 9V DC socket:  Please use the included 9V 300mA adapter