• Music Friend In My Pocket, AK70 • • 24bit 192kHz bit to bit Playback: The AK70's DAC, based on market-proven CS4398 chips of Cirrus Logic, has been used for years in Hi-Fi audios and the second-generation Astell&Kern devices. The AK70 plays back 24bit 192kHz signals into bit-to-bit type. 32bit audio is downsampled using a sample-rate converter. In addition, DSD 64/128 can be played back through conversion to PCM. • AK70's Diverse Output Types - Balanced Output The AK70 supports the 2.5-mm 4-pole balanced output (2.3 Vrms) that has been in use since the second generation of the Astell&Kern players • Variety of Output Types of AK70 - USB Audio The AK70 supports USB audio digital out, first among Astell&Kern devices. Connect diverse digital-input portable amps through USB to the AK70 and transfer DSD natively through DoP. It can also convert DSD into PCM for output for portable amps that do not support DoP. • Variety of Output Types of AK70 - USB DAC The AK70 can be used with a USB DAC that can double as an embedded sound card by connecting with a PC/Mac through the USB port. In the case of using the PC's embedded sound card, one may have to go through a complicated process to play back DSD data. In contrast, the AK70 can do so simply by connecting with the PC. • The AK70's Network - AK Connect The AK70 comes equipped with the AK Connect feature that can be connected with network-ready Astell&Kern devices. • Design Concept The AK70 is designed with an oblique angle on one side of the body so that it can fit the contour of the user's thumb, the finger used most frequently when controlling the screen with one hand.
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