24Bit/192kHz driver (Windows®operating systems only)
* For Windows®operating systems a Pro-Ject USB Audio driver has to be installed.
Insert the included CD into the drive of your PC and follow the instructions. After installing the driver, some
settings have to be done.
For example - Windows 8®operating system:
Control Panel Hardware and Sound Sound Playback: select Project USB Box S+ USB 2.0 Audio
Out Properties Supported Formats: make sure nothing is assigned Level Sound: setting must be
100 Enhancements: disable all enhancements Advanced Default Format: set to studio quality
24/192
Windows OS does not support more than 24bits/192kHz. Pro-Ject USB Box S+ supports up to
32bits/384kHz. For playing such audio files, a proper player software has to be installed on your computer
(e.g. Foobar2000, JRiver Mediacenter) and additionally the Project Box ASIO driver has to be selected as an
output audio device.
Front panel and controls
To switch on from standby or to standby
The push button on the left hand side of the front panel turns the unit on or back into standby. The blue LED
above the stand-by push button shows that the unit is switched on.
Filter
Filter will toggle between the two filters available. The blue LED is illuminated when second filter is selected.
Sampling frequency LED indicators
On the front panel are 8 LEDs which indicate current sampling frequency of the incoming digital signal.
Technical specifications Pro-Ject USB Box S+
Line-level output: 1 pair RCA/phono sockets
Output voltage: 2,1Vrms
D/A converter: Burr Brown PCM5102. 32-Bit Delta Sigma
Supported audio format: PCM (LPCM). No support for formats like Dolby®Digital or DTS™
Sampling rate: 44,1/48/88,2/96/176/192/352,8/384kHz
USB input: USB B socket (USB cable supplied)
USB signal: digital serial data protocol USB 2.0
Dimensions W x H x D (D with sockets): 103 x 36 x 104 (109)mm
Weight: 576g
