Reluctantly selling my Mezzo Soprano modded AK120. The mod changed out the Wolfson 8740 dual chips for the 8741. The switch at the bottom is to choose between two digital filters. Here is a link to the web archive of the mod: https://web.archive.org/web/20160331075342/http://www.mezzohifi.com/ The unit itself is very clean and like new, since I’ve kept it in a case. I had notch the leather case for the switch to stick thru. Not sure how long battery life is but it still keeps its charge for a long time when not in use. It’s the best sounding Wolfson dap I’ve ever heard; I just don’t use daps anymore. If I could use as a usb dac to my iDevices, I’d keep it but even the CCK with power doesn’t work. It does however work with laptops. I’ll include a 200gb micro card. $500. Price includes conus shipping and PayPal. International shipping will extra.