Phoenix Audio Technologies DUET VCA - Manual (Page 14)

Computer (USB) Connection:
Please refer to section 5 of the manual in order to learn how to use the USB connection.
VC System Connection:
Connect your VC system’s speaker output to the Duet’s speaker input (black RCA on the right). If
you prefer to use the VC’s external speakers, please refer to the next paragraph. Please note that
you still have to connect the speakers’ signal to the Duet in order for the Duet’s echo canceling
software to perform properly.
Connect the Duet’s output (red RCA on the left) to the VC system’s external microphone input.
Some VC systems have more than one microphone input (for example a microphone phantom
input and an AUX input). You can use either one of the inputs but in most cases the AUX will give
better results.
Consult with your VC user manual to determine the required input signal level of your VC system
and adjust the gain settings as directed in the “Setting the Duet’s output gain” section
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