Dear music lover,
thank you for purchasing a PRO-JECT AUDIO amplifier.
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.
Important notice.
Safety instructions
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 cord is
used to disconnect the unit from the mains. Make sure that the power cord is easily accessible at all
times.
!
Never handle the device, the power cord/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
Connectors
24V
Make all connections, except the connection to the computer, whilst the unit is 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.
!
The red speaker terminals carry the positive signal (+), the black speaker terminals the negative
signal (–). Make sure the polarity of the connection is correct at each end of the cables.
Only connect one loudspeaker with an impedance not less than 4 ohms per channel.
Never use any other power supply than the one supplied with the unit.
In USB
Inputs
Line level sources such as CD player radio or TV can be connected to the input sockets marked 1 - 4.
USB input
A computer, used as a source, can be connected to the USB input.
Connection to the speakers
The output terminals accept loudspeaker cables terminated with 4mm Banana plugs, spades connectors
or naked wire.
Mains power connection
Connect the low voltage plug from the power supply to the 24V= socket of the amplifier before connecting
the power supply to the mains.
© Audio Trade GmbH · Pro-Ject Stereo Box DS · Revision 2013.8.15
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