© Pro-Ject Audio Systems · Pro-Ject Head Box S USB · Revision 2015.4.2
thank you for purchasing a P -Ject Audio Systems´ headphone amplifier. ro
In order to achieve maximum performance and reliability you should study these instructions for use carefully.
Warning of a hazard for the user, the unit or possible misuse
AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the
voltage in your area meets the voltage requirements printed on the power supply.
The power supply is used to disconnect the unit from the mains. Make sure that the power supply is easily
accessible at all times. Never handle the device, the power supply while your hands are wet or damp.
Avoid letting liquids enter the device or the power supply. Never place any item containing liquid,
such as a flower vase on or near the device. Never spill any liquid on the device or the power supply.
Never place any naked flame sources, such as lighted candles on or near the device. The product shall not
be used in damp or wet locations, next to a bathtub, sink, swimming pool or any other similar conditions.
Pro-Ject Audio Systems, Vienna, Austria
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disconnected from the power supply.
Take care to connect the left and right channels correctly. The right channel is usually marked red, the
left channel black or white.
Never use any other power supply than the one supplied with the unit.
Connection to the amplifier (recorder)
Connect the RCA/phono sockets from your amplifier to the RCA/phono sockets of TAPE / RECORD OUT In
the headphone amplifier. As the analog input signal is relayed to the RCA/phono sockets , the Out Out
RCA/phono sockets of the headphone amplifier can be connected to the input sockets of your recorder.
Alternatively analog sources like CD player or tuner can be reconnected to the RCA/phono sockets directly. In
Connect the USB-input of the headphone amplifier (unit must be switched on) to a free USB-socket on your
computer and turn it on/make sure it is powered on. The amp will be automatically recognised by the
computer. There is no need to install a driver manually.
Please note: Connection should be made to an USB-socket of your computer directly. Connecting to
USB-hubs or switches can cause problems.
Connect the low voltage plug from the power supply to the Power V 18 socket before connecting the power
