Fluid Audio SRI-2, USB Audio Interface with Monitor Controller, 24 Bit / 192 kHz 2 x 2 USB 2.0 audio interface, 2 Class A microphone preamps with +48 V phantom power, High-quality ergonomic metal housing, Massive aluminium volume control, Illuminated buttons, 2 XLR / TRS inputs for line / mic / instrument signals, 4x 6.3 mm TRS outputs for 2 monitor pairs with A / B button, 6.3 mm Headphone output with separate volume control, Power supply via USB, External power supply via micro USB, Dimensions (W x D x H): 202 x 154 x 52 mm, Weight: 1.0 kg, Includes Steinberg Cubase LE for Mac and PC as well as Cubasis LE Music for iOS