Apogee Ensemble Thunderbolt, Thunderbolt Audio Interface 24 Bit / 192 kHz, Total of 30 inputs and 34 outputs (analogue and digital added), Very low latency thanks to special 32-Bit driver technology, which also relieves the CPU of the computer, AppESS Sabre32 DAC with 32-Bit Playback Engine, Microphone preamp with up to 75 dB stepped gain, 48 V phantom power and soft limit, Built-in condensation microphone with ball characteristics for recording and talkback function, 4 Assignable buttons for talkback or output settings such as selection, mute, dim and sum to mono, 2 High-resolution OLED displays, 2 Rotary knobs, 10 Buttons for input selection, 10 Analogue inputs- 4x Mic/Line/Instrument, 4x Mic and 2x Guitar Hi-Z with Direct Out for looping to the amp, Channel 1 and 2 with insert send/return 6.3 mm jack, 2 Balanced 6.3 mm jack main outputs, Balanced outputs 3-10 per Sub-D cable, 2 Stereo headphone outputs with controller 6.3 mm jack - can be assigned independently, S/PDIF coax input/output, Wordclock BNC input/output, 2 Optical inputs/outputs for ADAT (16 channels), SMUX (8 channels) and S/PDIF (4 channels), 2 Thunderbolt 2 connections, Compatible with Mac OS X 10.9.3 or higher, Control all input and output parameters with the Apogee Control Software iOS app, Optionally expandable with Apogee Control Hardware (optionally available under Article Nr #399527#), Apogee Element Interface or another Apogee Ensemble (all not included), Format: 19"" / 1U@+*Attention:* No Thunderbolt cable included.@+