Built-In Dual Cirrus Logic CS4398 DAC (Dual DAC)</br>Native DSD Playback & PCM audio playback up to 24bit/192kHz</br>256GB Internal Flash Memory</br>Intuitive & Responsive User Interface</br>75 BlueNote albums in 24bit/96kHz preloaded in AK240 BlueNote</br></br>Product Description</br></br>Astell&Kern commemorates and celebrates BlueNote Records 75th Anniversary! <p></p> Limited edition, individually numbered, and only 200 sets available in North America! Includes special blue colored AK240 with BlueNote etching, preloaded with 75 BlueNote albums in high-res 24/96-192 FLAC! <p></p> BlueNote package also includes: - 75 BlueNote MQS albums (loaded in MicroSD cards), in hi-res 24/192 FLAC - Comes complete with handsome metal stand for the 75 MQS BlueNote albums <p></p> - Premium 100 percent genuine Italian Blue leather case from Minerva <p></p> - BlueNote Records Hardcover and Softcover book <br> Product Specifications: <br> Dimensions: 2.6" x 4.2" x 0.69" (Inches) <p></p> Weight: 6.5 oz DAC: Dual (2) Cirrus-Logic CS4398 with XMOS Sound Processor <p></p> Display: 3.31" WVGA AMOLED Touch Screen (800x480) <p></p> Memory: 256GB Internal Flash, Single MicroSD Card Slot (up to 200GB) <p></p> Supported Audio Formats: WAV/FLAC/MP3/OGG/APE/WMV/AAC/ALAC/AIFF/DSD64, DSD128 (.DSF & .DFF)/DXD <p></p> Bluetooth: 4.0 Wi-Fi: 802.11 b/g/n (2.4GHz) <p></p> Audio Outputs: Unbalanced Headphone & S-PDIF Out (3.5mm) 1x, Balanced Output (2.5mm 4-Pole TRRS) 1x Output Level: 2.1V (Unbalanced Output), 2.3V (Balanced Output) <p></p> THD+N: 0.0007 percent at 1kHz (Unbalanced), 0.0008 percent at 1kHz (Balanced) <p></p> Signal to Noise: 116 dB at 1kHz (Unbalanced), 117 dB at 1kHz (Balanced) <p></p> Freq. Response: +/+- 0.023 dB at 20Hz - 20kHz (Balanced & Unbalanced), +/+- 0.3 dB at 10Hz - 70kHz (Balanced and Unbalanced) <p></p> Output Impedance: Balanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)</br><br/>http://www.amazon.com/gp/product/B00QVE3KZQ