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Home  >  MP3 Players >  Item # IRAK300 (MFR# 3PPE317C-CMBLN1)
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AK300 USB DAC Portable Music Player
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Astell & Kern AK300 USB DAC Portable Music Player

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Condition: Brand new, USA Warranty
  • 24bit 192kHz bit to bit Playback
  • PEQ (Parametric EQ)
  • Equipped With a Femto Clock to Deliver True Original Sound
  • Pressure-sensitive Metal Capacitive Touch
  • Enjoying music

    While succeeding the state-of-the-art DAC and scalability as applied to the AK380 and AK320, the latest model has improved accessibility by being priced at a reasonable level.

    24bit 192kHz bit to bit Playback

    AK300 is capable of bit-to-bit playback up to 24bit, 192kHz.
    32bit audio is downsampled using a sample-rate converter (SRC). In addition, DSD 64/128 can be played back via conversion to PCM.

    PEQ (Parametric EQ)

    A parametric equalizer (PEQ) was implemented in the AK380 to deliver detailed adjustment of the original sound, and an audio digital signal processor (DSP) was added to aid in this process.

    This frees up CPU cycles previously needed for calculating graphic equalizers (GEQ), allowing more detailed and accurate calculations via the dedicated DSP.

    The audio DSP expands the existing 10-band, +/-0.5 dB graphic equalizer (GEQ) to 20-band, +/-0.01 dB to more precisely adjust the frequency and gain (dB) as well as more accurately specifying the frequency range via Q value adjustments.

    Equipped With a Femto Clock to Deliver True Original Sound

    Astell&Kern implemented a voltage-controlled crystal oscillator (VCXO) high-precision clock with a reference jitter value of 200 femto seconds.
    Femto clocks are commonly used in high-end audio systems, and the clock is measured in high-precision femtosecond units (one quadrillionth of a second).

    What is VCXO?

    A VCXO, or a voltage-controlled crystal oscillator, is a type of crystal oscillation device that creates oscillation frequencies. External environmental stimuli, which in this case mean voltage inputs, influence the frequency value. Adjustments to the voltage input tunes a precise frequency value.

    What is Jitter?

    Jitter refers to the undesired deviation in time that occurs in a periodic signal. In this case, jitter is the error that occurs in the reference clock required to perform the sampling in digital audio equipment.

    By utilizing a femto clock, the AK300 is able to create a more accurate frequency value and make fine jitter corrections.
    As a result, the AK300 faithfully reproduces analog sound closer than ever to the original source when transmitting a digital signal as an analog signal.


    The AK300 supports USB DAC functionality.

    The AK300 can be connected to a PC or Mac via USB for use as a USB DAC that supports PCM/DSD.
    When playing back music stored on a PC or Mac, the Single-DAC is able to deliver richer audio of outstanding soundstage and resolution well beyond the limits of a built-in sound card.

    AK Connect App

    Astell&Kern has further enhanced DLNA functionality via the AK Connect app.
    Wireless networking DLNA (version 1.0) connects to a NAS or PC, and is easily controlled with a smartphone or tablet through AK Connect.
    Source files on a PC or NAS can be freely transferred and streamed without the hassle of turning on the computer and physically connecting with a cable.

    If on the same access point (AP) network, music files on a PC or NAS can be played back via DLNA.

    Pressure-sensitive Metal Capacitive Touch

    The AK300 features the same metal touch interface as the AK380 and AK320.

    The Metal Touch functions as a home key and interfaces with the device via pressure-sensitive touches.

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