Please note this is an order on demand item, so stock will be ordered in after an order is placed flagship level tube sound shanling's new flagship dac m8t features an independent dual combination of the flagship akm dacs, eliminating clock signal distortion, and providing an overall cleaner sound performance, especially with hi res audio files. Over the past 37 years, the magical sound of tubes has been featured in many shanling cd players and amps, but the m8t brings it into a portable dap for the first time. A pair of low voltage and power efficient jan6418 tubes suspended in a custom designed anti shock structure eliminates any microphonics, adding extra charm to the m8t's sound. A trio of output modes the audio circuit can be run in a pure transistor mode avoiding the tube output, triode and ultra linear modes, offering three distinctive sound profiles transistor dynamic and hard hitting triode a bit of added warmth ultra linear thick and smooth modern conveniences the m8t comes with the newly upgraded android 13 os, assuring many years of future updates and wide app compatibility. Enjoy dlna support and airplay network streaming, and connect to eddict player app on android or ios for a remote control, and simply keep the device up to date with wireless updates. Maximum endurance fast charging is also supported thanks to the large 8350 mah battery, which is able to power the device for up to 15.5 hours on single ended or 13 hours on a balanced output. You can turn the m8t into the ultimate bluetooth dac amp thanks to a two way bt connection simply connect it as a new bt receiver to any phone or tablet and enjoy next level sound quality with ldac, sbc and aac support both ways.