Astell&Kern AK300 // High Resolution Music Player w/ 64GB

$ 899.00 $ 799.00

Astell&Kern AK300 // High Resolution Music Player w/ 64GB

$ 899.00 $ 799.00

While succeeding the state-of-the-art DAC and scalability as applied to the AK380 and AK320, the AK300 has improved accessibility by being priced at a reasonable level.

  • AK4490’s Single DAC-DAC
  • DSD-to-PCM Playback
  • Parametric EQ with 20bands 0.01dB
  • 200 Femto Second VCXO Reference Clock
  • Exceptional Expandability
  • DLNA-based AK Connect App and Metal Touch Sensor Home Button
  • Free shipping on all orders.
  • Accessories for the AK300

    • 349 $
    • 349 $
    • 699 $
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SKU: AK300

More Expandable Options

The AK300 can be expanded to a variety of devices through the micro-USB and balanced audio out ports located at the bottom of the product.

It can be connected with the AMP as well as professional high-impedance headphones for high output and USB for data transfer and charging.

It can also be connected to the Cradle for balanced audio functionality as well as the CD-RIPPER to conveniently rip audio CDs.

24bit 192kHz bit to bit Playback

AK300 is capable of bit-to-bit playback up to 24bit, 192kHz.Astell-Kern-AK300-3

32bit audio is down-sampled using a sample-rate converter (SRC). In addition, DSD 64/128 can be played back via conversion to PCM.

* 32bit, 384kHz is downsampled to 24bit, 192kHz, and 32bit, 352kHz is downsampled to 24bit, 176kHz for playback.
* DSD 64/128 is converted via DSD-to-PCM to PCM 24bit, 176kHz for playback.

PEQ (Parametric EQ)

A parametric equalizer (PEQ*1) was implemented in the AK300 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*2) to 20-band, ±0.1 dB to more precisely adjust the frequency and gain (dB) as well as more accurately specifying the frequency range via Q value adjustments.

What is Parametric Equalization (PEQ)?

Parametric equalization refers to the ability to increase or decrease the volume within the Q value range. A Q value is a frequency range relative to a selected frequency. The frequency range decreases when the Q value increases and vice versa.

What is Graphic Equalization (GEQ)?

Graphic equalization divides the audible frequency register into several registers and increases or decreases the level of each register with a volume slider to adjust the respective frequency’s characteristics. The switches of the volume slider are connected like a graph to visually determine the frequency characteristics, hence the name “graphic equalizer.”

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.

USB DAC

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 Dual-DAC is able to deliver richer audio of outstanding soundstage and resolution well beyond the limits of a built-in sound card.

* When using the AK300 as a USB DAC, its PEQ settings are not applied, and output up to 24bit, 96kHz is supported.
* DSD 64/128 is converted via DSD-to-PCM for playback.

 Screenshot 2016-05-09 16.08.45

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.

astell-kern-ak300-DAC

 

Pressure-sensitive Metal Capacitive Touch

The AK380 is the first Astell&Kern product to utilize a metal capacitive touch interface. The pressure-sensitive Metal Touch home button responds to fine pressure changes so users operate the device with just a light touch on the metallic pad.

Specifications

  • Model: AK300
  • Body Color: Midnight Black
  • Body Material: Aluminum
  • Display: 4inch WVGA (480 x 800) Touchscreen
  • Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE(Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF
  • Sample rate: PCM : 8kHz ~ 192kHz (8/16/24bits per Sample) / DSD : DSD64, Stereo / DSD128, Stereo
  • Output Level: Unbalance 1.98Vrms / Balance 1.98Vrms (Condition No Load)
  • DAC: AKM AK4490 x1 (Single DAC)
  • Decoding: Support up to 24bit / 192kHz Bit to Bit Decoding
  • Input: USB Micro-B input (for charging & data transfer (PC & MAC)) / Connection Mode : MTP (Media Device)
  • Outputs: PHONES (3.5mm) / Optical Out (3.5mm) / Balanced Out (2.5mm, only 4-pole supported)
  • Wi-Fi: 802.11 b/g/n (2.4GHz)
  • Bluetooth: V4.0 (A2DP, AVRCP, aptX)
  • Dimensions: 2.95 ”(75.15 mm) [W] x 4.42 ”(112.4 mm) [H] x 0.60 ”(15.45 mm) [D]
  • Weight: 7.23 oz (205 g)
  • Feature Enhancements: Firmware upgrades supported (OTA)

Audio Performance

Frequency Response / ±0.075dB (Condition: 20Hz~20kHz) Unbalance & Balance / ±0.56dB (Condition: 10Hz~70kHz) Unbalance / ±0.55dB (Condition: 10Hz~70kHz) Balance
Signal to Noise Ratio / 116dB @ 1kHz, Unbalance / 116dB @ 1kHz, Balance
Crosstalk / 130dB @ 1kHz, Unbalance / 130dB @ 1kHz, Balance
THD+N / 0.0008% @ 1kHz, Unbalance / 0.0007% @ 1kHz, Balance
IMD SMPTE / 0.0007% 800Hz 10kHz(4:1) Unbalance / 0.0006% 800Hz 10kHz(4:1) Balance
Output Impedance / Balanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)

Clock Source

Clock Jitter / 30ps(Typ)
Reference Clock Jitter / 200 Femto Seconds

Battery

Capacity / 3,100mAh 3.7V Li-Polymer Battery

Memory

Built-in Memory / 64GB [NAND]
External Memory / microSD (Max 128GB) x1

OS

Supported OS / Windows XP, Windows 7,8 (32/64bit), MAC OS X 10.7 and up

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