The USB decodes outputs line-level
signal which can be input into any low
impedance amplier
Power is ONLY required if the USB
signal connues on to another device such as
an interacve whiteboard. If no other device is
connected then the power carried on the USB
input cable is sucient to power the decoder.
Ensure polarity is connected correctly. Incorrect connecon can damage
the product and is not covered by warranty.