Converto MK2 RR, D/A converter, preamplifier and headphone amplifierconvert-rate 32 bit/384KHz with DSD and I2S - class A - fully balanced2x S/PDIF inputs (1 RCA and 1 optical) – 2x USB “B” type port digital inputs – 1x line input RCADimensions: unit 20 x 22 x 7 cm, package 30 x 40 x 17cm - Weight: ..