The AK Jr project gives everyone the opportunity to comfortably listen to high resolution audio, anytime and anywhere. Although the Astell&Kern was a portable device, its relatively large size made it less convenient for some.Compact design delivers the highest sound quality while fitting comfortably in your pocket. It simplifies complex features of Hi-Fi audio to a smartphone-like experience. The raised screen provides secure grip and slims down the profile from 8,9 mm to 6,9 mm. The full aluminum body and textured aluminum volume wheel allows smooth one-handed operation. Output level of 1.95 VRMS represents a 14 % increase over the AK100's 1.5 VRMS. Our engineers have reduced the output impedance to 2 Ohms for a significant gain in sound fidelity from the AK100's 22 Ohms. As the AK Jr supports many various types of earphones and headphones, a separate amplifier is unnecessary. It supports DSD, the digital audio format widely considered to be the next-generation in high resolution audio. The AK Jr can also function as an external DAC (sound card) when connected to a PC or Mac via USB. It also features a 3,1 '' LCD touchscreen that is about 1,4 times larger than the AK100's LCD. The AK Jr features 64GB of memory to store more music than ever before. Supporting microSD cards up to 64 GB, the AK Jr is capable of offering a whopping total storage capacity of 128 GB. Frequency response: +/- 0,04 dB (20 Hz - 20 kHz) // +/- 0,3 dB (20 Hz - 70 kHz). Max. SPL: 112 dB / 1 kHz. Impedance : 2 Ohm. Compatible with Windows XP, 7, 8 (32 / 64 bit), Max OS X 10.7 and newer versions. Dimensions: 52,9 x 117 x 6,9 mm. Weight: 93 g.
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