Features:

• 4×2 interface
• USB 2.0 connection to the DAW, up to 480Mbps
• 44.1 to 96 kHz sample rates, 24-bit resolution
• Four analog 1/4″ and XLR combi-jack mic/line inputs (U22 has two, U82S has eight)
• Two analog TRS (Stereo Main) outputs
• dbx high-voltage, ultra-low noise mic preamps on all analog inputs
• 48V phantom power for each input pair
• Input signal metering via eight LEDs per channel
• Signal mixing and stereo bus signal metering
• Two 1/4″ high output headphone connections on U42S; one on U22; four on U82S
• Two hi-Z instrument inputs on U42S and U82S (one on U22)
• Zero latency direct/playback monitoring
• Low-latency ASIO drivers
• Pantheon II VST/AU reverb plug-in
• Steinberg Cubase LE4 and Toontrack EZdrummer Lite software packages
• Supports Windows and Mac platforms