Apogee Groove Portable USB DAC & Headphone Amp for Mac and PC Best Buy& more Go to product viewer dialog for this item.
The following products are representative of the Apogee lineup often found at major electronics retailers: Apogee BOOM Audio Interface best buy apogee
A dedicated physical controller for compatible Apogee interfaces that features and a large knob to manage input and output levels without needing to use a mouse. Apogee - BOOM Audio Interface - Purple - Best Buy Apogee Groove Portable USB DAC & Headphone Amp