Apogee Groove 30th Anniversary Edition Gold is a limited edition run of the recently released Groove - headphone Amp / DAC from Apogee. The new Gold edition features a custom gold finish made from polished aluminium, and boasts new performance enhancements too. Groove matches the impedance of your headphones with it current drive amplifier. Capable of playing back files up to 24 bit 192kHz, and drivers are available for both Mac and Windows. For the Silver edition of the Apogee Groove, please click here.