Tascam US-144 USB 2.0 Audio and MIDI Interface Zero latency 4 in 4 out USB 2.0 Audio Interface, 1 x 1 MIDI I/O, Headphone and RCA Stereo line outputs Mac & Windows compatible, operates at up to 96KHz 24-bit resolution 2 XLR Microphone Inputs with Phantom power 2 TRS Line inputs and Hi-Z Guitar input on right channel USB Bus powered