+1 to bad NAD quality.
NAD M51 DAC, after about 1.5 years of use USB-in stops working (others works). Service said it's motherboard issue and price to repair comparable with the new unit.
NAD M51 DAC, after about 1.5 years of use USB-in stops working (others works). Service said it's motherboard issue and price to repair comparable with the new unit.