A Used Audio Science ASI6114 Broadcast Professional Audio Adaptor in Pristine Condition. 24 Bit A to D and D to A converters. Fresh pull from a broadcast operation. Four discrete stereo Analog outputs Four simultaneous play streams Four discrete stereo inputs Digital inputs and outputs as well Uncompressed PCM in/out or MP3 or MPEG Layer 2 compression done efficiently on the board Analog and Digital inputs and outputs can be used together  Powerful software mixer with many routing and configuration options AES/EBU and S/PDIF digital audio input and output (software selectable). MRX™ technology supports digital mixing of multiple stream formats and sample rates. TSX timescaling allows compression/expansion of play streams by up to +/-20 with no pitch shift. Sample rate converters on all inputs. All audio input and outputs are balanced Sample rates from 8 - 50 KHz 24bit analog-to-digital and digital-to-analog converters - 100dB SNR and 0.002% THD+N 8MBytes DRAM for on-board buffering SoundGuard™ transient voltage suppression protects against lightning and other high voltage surges PCI slot Windows and Linux drivers  Cable not included Designed and manufactured in the USA