There's a hundred a one ways to use the Audiohub 2x4 in your studio setup. Here's a couple of ideas from the good folks at Novation.
Audiohub 2x4 is a combined audio interface and USB hub for electronic music production. Housed in a sleek yet tough aluminium chassis, the compact USB interface with 'Focusrite Sound Inside' provides a stereo ultra-low latency input, four super loud outputs and a powerful headphone output. The integrated powered USB hub can power up to three USB devices: de-clutter your music making space in seconds.
Read our full review of Audiohub 2x4 here: http://askaudiomag.com/articles/review-novation-audiohub-2x4
Visit the Novation website here: http://uk.novationmusic.com/audio-interfaces/audiohub-2x4