MIDIMAN DELTA 66 24-Bit 96kHz PCI Digital Recording Interface The Delta 66 includes everything you'll need to input and output 4 channels of analog audio from your computer The system is configured as a PCI host card connected to a sturdy external analog audio break-out box offering 6 inputs & outputs Break-out box provides 4 analog 1/4 audio input and output jacks, compatible with balanced or unbalanced Also included is Delta Control Panel software which controls the Delta 66's extensive routing, monitoring and mixing capabilities D/A specs - 103dB (A-weighted) dynamic range, 0.0015% THD OdBFS