Glensound VIRGIL OB Dante/AES67 Enabled Broadcast Headphone AmplifierVirgil OB receives 2 x audio circuits from a Dante AES67 network and routes one to the left and the other to the right channel of the headphone amplifier. A front panel volume control allows the user to adjust the output volume of the headphones. The 2 incoming audio circuits are also presented on a pair of balanced analogue audio XLRs on the rear of the unit. A switch on the side of the unit sets these 2 outputs to be post or pre fade of the front