Up for sale is a great condition Demo iFi Micro USB DAC Headamp with original boz and accesories. Original Retail was $599 The Ultimate Battery-Powered DAC: With a full 8V @ 4000mW output, the Micro iDSD is one of the most powerful headphone amps on the market, able to drive any headphone from high-sensitivity IEMs all the way to the most brutally difficult to drive headphones.In a unique move for any manufacturer, iFi asked thousands of people all across the world what they wanted in a Micro iDSD and this gorgeous, compact and exceptionally powerful device is the answer. DualCore An Octa-Leap ahead of the competition, the Micro iDSD is truly state of the art. iFi has forged an enviable reputation for being at the forefront of computer audio technology, and with the Micro iDSD, they have made another large leap. With its special Dual-Core Burr-Brown native DSD/PCM chipset in its heart, the Micro iDSD is capable of True Native PCM768, Octa-Speed DSD512 and 2x DXD; a performance that is simply out of this world. HFTurbo The Micro iDSD has 3 different power modes Eco, Normal and Turbo. Capable of 4000mW, 1000mW or 250mW, the Micro iDSD is able to drive the full gamut of headphones and amplifiers alike. With iEMatch there to dial to suit any IEM, the Micro iDSD has redefined the headphone amplifier class. Used along with the analog volume control, the diminutive size of the Micro iDSD belies its uncanny ability to drive virtually anything and everything!FeaturesOcta-Speed DSD512Double-Speed DXDPCM 32bit/768kHzUSB DAC HeadampUser manaula can be found here: https://ifi-audio.com/wp-content/uploads/2020/07/MicroiDSDBL-manual.pdf