Product Detail The Delta 44 includes everything you'll need to input and output 4 channels of analog audio from your computer, at an affordable price The system is configured as a PCI host card connected to a sturdy external analog audio break-out box Break-out box provides 4 analog 1/4 audio input and output jacks, compatible with balanced or unbalanced, +4dB or -10dB signal levels Also included is Delta Control Panel software which controls the Delta 44's extensive routing, monitoring and mixing capabilities D/A specs - 103dB (A-weighted) dynamic range, 0.0015% THD @ OdBFS . The "M-Audio DELTA 44 24/96 PCI Digital Professional Audio Card" is best product for you. We recommended M-Audio DELTA 44 24/96 PCI Digital Professional Audio Card