JBL SYNTHESIS SDP-45 USB Audio- 50 -USING THE USB AUDIO SOURCEThe USB port (Revision 1.1) in the SDP-45 emulates a streaming receiver device and It allows the SDP-45 to receive a digital sound stream from a hostdevice such as a PC, originating from a file or from the internet, and playing it through SDP-45 audio processor. The SDP-45 will appear as a USB audiodevice in the computer system.The USB audio input is currently limited to a maximum sample rate of 48kHz. Any file that is chosen at a higher sample rate will either be ―downsampled‖ to 48kHz or no audio will be heard, depending on the software and hardware source used.INITIATING A USB CONNECTION WITH A PCMake sure SDP-45 is connected to a power source but in Standby. When the USB cable connecting SDP-45 is plugged to a USB port in a PC and SDP-45is taken out of Standby, the computer should recognize the SDP-45 as an audio device. The device will appear as ―JBL Synthesis‖ under USB audiodevices. It uses a generic USB driver and is compatible with all modern operating systems and computers.It will be necessary to select the USB audio output from your computer to receive audio at the SDP-45.For Windows® XP this is done in the CONTROL PANEL SOUND and AUDIO DEVICESFor Windows® 7 this is done in the SOUND MANAGER AUDIO DEVICESFor Apple® Mac OS® X this is done in SYSTEM PREFERENCES SOUND OUTPUTNOTE