Model K5Pro ESS K7 Appearance Dimension ≈120x130x55mm ≈120x168x55mm Weight ≈480g ≈610g Ports USB port USB-B USB-B LO ports RCA Line Out、RCA Line in RCA Line Out、RCA Line in OPT port Standard TOSLINK Standard TOSLINK COAX port Standard RCA Standard RCA PO ports 6.35mm 6.35mm,...