Comes standard with 32GB of memory and can accommodate up to two 200GB MicroSD cards for even more music storage capacity</br>Supports DSD64/DSD128 and up to 24/192kHz PCM digital audio files</br>Includes pure Class A discrete transistors and components</br>Built in reference- quality headphone amplifier incorporates Questyle's patented "Current Mode Amplification"</br>Output Impedence: 0.15 ohms</br></br>Product Description</br></br>The Questyle QP1R High Resolution Digital Audio Player (DAP) is an audiophile-quality portable music player with an elegant arc body and a twin steering wheel design for easy navigation. Its machined aluminum body is merged with a Gorilla glass front and back, reducing weight while increasing durability and providing a better environment for EMI sensitive circuits. The innovative continuous whole-surface design, the hollow guard, the curved glass machining, the assembly of superimposed surfaces of glass and aluminum composite materials, the CNC machining and assembly to a severe test of specification, all combine to make a beautiful and stylish enclosure.<p> The top edge of the player features a protected volume control knob (patterned after the crown of a high-end wristwatch), plus two recessed jacks: a headphone output jack and a combined line out/optical jack. The right edge of the player presents a simple, pushbutton On/Off switch. The bottom edge of the player provides two recessed MicroSD memory card slots, plus a mobile universal Micro USB jack that is used for uploading music files and for charging the QP1R's 3300-mAh lithium-polymer battery. The player comes standard with 32GB of memory and can accommodate up to two 200GB MicroSD cards for even more music storage capacity, and a Micro SD is also used for installing periodic firmware updates. <p></b>Professional-level support for audio files</b><br> The Questyle QP1R supports ALAC, APE, FLAC, AIFF, WAV, WMA Lossless up to 24bit/192kHz and High-res audio files such as DSD128 and DSD64, revealing far much more of the original sound performance of music than that of MP3 players or smart mobile phones.</br><br/>http://www.amazon.com/gp/product/B015Q1UHAK