COS Engineering DAC Preamp D2V

I used the COS DAC2 for about 500 hours. It looks like new.  It has a full bodied, colorful sound which made voices and string instruments sound rich and alive. It is beautifully constructed. It has very precise .25db stepped attenuator with a big blue readout.  (DAC1 has tiny little LEDs which i...

I used the COS DAC2 for about 500 hours. It looks like new.  It has a full bo...