The ADL STRATOS is more than just a DAC, a preamplifier, a phono stage and a headphone amplifier in one small, portable box. With the STRATOS you get DSD (2.8M, 5.6M and 11.2M), USB (supports PCM 24~32bit/384kHz Max.) and ADC (24bit/192 kHz Max.), so you'll be able manage the largest music collections on your hard drive with ease and flexibility - and outstanding sound quality.