M-Audio Delta 44 Professional 4-In/4 Out PCI Audio Card Only Delta 44 4-In/4-Out PCI Audio Card Only Without Breakout Box 4x4 24-bit/96kHz full-duplex recording interface All data paths support up to 24 bit/96kHz performance, no upgrades necessary Powerful digital mixing, routing, and monitoring capabilities the box is not included with this product only the PCI card