Asus XONAR U3 User Manual - Page 7

1. Package contents Check your ASUS Xonar U3 external USB audio card package for the following items: • ASUS Xonar U3 external USB audio card • S/PDIF TOSLINK optical adapter x 1 • Driver / User Manual CD x 1 • Quick Start Guide x 1 2. System requirements To ensure a successful installation of the Xonar U3 external USB audio card, your computer must meet the following requirements: • IBM compatible PC with one USB1.1 (or higher) compatible port for the USB audio device • Microsoft® Windows® 7 / Vista / XP(32/64bit) / MCE2005 • Intel® Pentium® 4 1.4GHz or AMD Athlon 1400 CPU or faster CPU • 256 MB DRAM system memory • 60 MB available HDD space for driver installation package • CD-ROM drive (or DVD-ROM drive) for software installation • High-quality headphones or powered analog speakers to enjoy the ultra-high fidelity sound of the card 3. Specifications summary Category Item Audio Controller and Codec Audio Chipset Bus Interface USB Bus USB Audio Class Analog Output Jack & Digital S/PDIF Output Combo I/O Ports Built-in Headphone Amplifier Analog Input Jack: Description ASUS UA100 USB Audio Chip USB 2.0 and 1.0 Full-speed compatible USB Audio Device Class v1.0 compatible 3.50mm mini analog and digital combo jack*1 (Headphone/Speakers/SPDIF output) 98dB SNR >1.1Vrms full-scale output voltage for >32 ohms load Frequency Response (-3dB/48KHz): 20~20KHz for 32ohms 3.50mm mini shared jack *1 (Line-In/Mic-In) (continued on the next page) ASUS Xonar U3