A100 uses professional audio chips of Cirrus Logic, Such like DAC: CS4398, LPF: AD823A, SRC: CS8422,DSP: CS48L10. With best PCB layout and dual crystal oscillators, AP100 can provide the best quality sound for you. It also has EQ hardware and SRC function</br>AP100 supports all major lossless music formats: WAV, FLAC, WMA, MP3, OGG, AAC, APE, AIFF, ALAC and EVEN DSD, at up to 192kHz/24bit</br>AP100 provides multiple interfaces: COAXIAL DIGITAL OUTPUT, LINE OUTPUT and PHONE OUTPUT. It can be used with various equipments such as earphone, amplifier, CD player, digital dial, decoder etc. AP100 also supports USB-DAC and OTG function under Windows, MACOSX, Linux etc.</br>2.4 inch LCD widescreen,push-button control for accurate and convenient operation.</br>Build in 8GB internal storage, supports Micro SD card up to 128GB, AP100 has a 3000mAh lithium-ion battery, Battery life is about 10 hours.</br></br>Product Description</br></br>Technical Specifications<br><br> Audio Performance<br> Audio resolution: 24bit/192KHz lossless high resolution sound<br> Audio Format: WAV,FLAC,WMA,OGG,AAC,APE(Normal,High level) and ALAC<br> Frequency response range: +/-0.02dB 20-20000Hz/+/-0.2dB 10-70000Hz<br> SNR:108dB<br> Distortion plus noise: <0.003%<br> PO Output Power: L:2.2Vrms R:2.2Vrms<br> Isolation: >92dB<br><br> Hardware Specifications<br> CPU: 4760b processor<br> DAC chip: CS8422 24/192 digital audio receiver by Cirrus Logic<br> EQ chip: CS48L10 coloration chip for superios hardware EQ Audio decoder chip: CS4398 high indexes audio decoder<br> Audio filter chip: AD823A a dual channel filter chip<br> Oscillator chip: D350 & D348<br><br> General Specifications<br> Dimension: 65.5*107*16.2mm<br> Weight: 156g<br> Display: TFT 320x240x26 million colors<br> Compatible Operating Systems: Linux, Mac OS, Windows 2003, XP, 2008, Win7 and Win8<br><br> Main Functions<br> Firmware Upgrade: Supported, By Mrcro SD card<br> Headphone Jack: 3.5mm headphone jack<br> Digital Audio Input/Output: 3.5mm coaxial input/output<br> Built-in Battery: 3000mAh<br> Power Interface: Micro USB<br> Buit-in Memeory: 8GB<br> External Memory: Mrcro SD card up to 128GB<br> Seperates file into<br> Support for user-defined<br> Support breakpiont play<br></br><br/>http://www.amazon.com/gp/product/B00N0DZ8F6