SPL Creon black, 2-Channel USB 2.0 Audio-Interface and Monitor-Controller, 24-Bit / 192 kHz, 2 original SPL-Mic Preamps, Class 2-Driver for iPad-Recording/Monitoring (Hot-Plug), 34 V Operating voltage for Level up to +22 dBu, Pro-Level-Boost for Consumer-Units, FMCTM (Fixed-Master-Clock), +48V Phantom Power and low cut Filter switchable per Channel, Mono- and DIM-Function for Speaker Out, Connections: 2x Mic-Input XLR, Hi-Z Instrument Input 1/4" TS, 2x Line-Input 1/4" TS, 4x Input Monitor-Source (2x 1/4" TS and 2x RCA), 2x Speaker/Main Out XLR, Stereo Headphone Out 1/4" TRS, USB 2.0 Connection, System Requirements: Windows XP/7/8/10 (32 & 64 Bit) and Mac OS X 10.6 or higher, iOS 6 or higher, for Mac OS X no SPL Driver required, Dimensions: 67 x 330 x 212 mm (HxWxD).