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

wide dispersion constant directivity horn

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

These include 45 mm faders

high-pass filter

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