Apogee Groove USB Audio Interface & Headphone Amp 100209749 Its slick form factor offers

Its slick form factor offers the highest lumen per kg/lb ratio of its class

3i-0907-4B and the 3i-0907-6B

whether they crave maximum control over the fine details of their mix or just want the minimum of keys to press

suitable for iPad 2 / new iPad (3)

They featureLinkwitz-Riley 24dB per octave filters

Apogee Groove USB Audio Interface & Headphone Amp 100209749 Its slick form factor offersApogee Groove USB Audio Interface and Headphone Amp Meet Apogee GrooveApogee Groove is the best portable USB DAC and headphone amp for listening to music on your Mac or PC. Groove takes the same high quality audio technology found in the world's most prestigious recording studios and delivers it to your laptop. Connect Groove to your computer's USB port and your headphones or powered speakers to Groove's audio output. It's that easy. Groove's output