No more annoying cables! With the Alto Bluetooth Total Receiver you can connect wirelessly to mixing consoles or active speakers via their balanced XLR inputs. Use the "Pair button" to establish the connection between the playback device (smartphone, notebook, etc.) and the receiver. With the "Stereo-Link" button, two receivers can easily be "paired" to form a stereo receiver. The Bluetooth Total can be powered via USB or battery;