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Astell & Kern AK300 เครื่องเล่นเพลง Hi-Res & DSD

฿ 35,000.00
สั่ง จอง วันนี้
สินค้าเข้าภายใน: ภายใน 15-30 วัน
น้ำหนักพัสดุ 1.00 Kg
เครื่องเล่นเพลง Hi-res รายละเอียดสูงสุด 24bit 192kHz รองรับไฟล์ DSD64/128 มีความจุภายใน 64GB รองรับการเชื่อมต่อแบบไร้สาย

รับประกัน 1 ปี
ผ่อนชำระแบบ 0% นาน 3, 6, 10 เดือน
สอบถาม โทร 02-639-3682
Astell & Kern AK300 Digital Music&Player
Enjoy the Sound
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.
  • 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
AK300 VS AK320 VS AK380

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.

* 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.
32bit SRC by the AK300

DSD-to-PCM Conversion by the AK300
PEQ (Parametric EQ)
A parametric equalizer (PEQ) as 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.
The AK300's PEQ Playback Using Audio DSP
The other Products GEQ Playback Using Audio DSP
AK300 20-band PEQ and AK100 II 10-band GEQ Frequency Values

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*3.
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 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.

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.
DMP (Digital Media Player)
Finds a list of content on a media server for selection and playback.
DMC (Digital Media Controller)
Finds a list of content on a media server and establishes a connection to a playback-capable device (renderer). By default, a DMC establishes a connection between a media server and media renderer and controls content playback-related operations.
DMS (Digital Media Server = Network Server)
Actually stores the media content to be shared. When connected to a network, the DMS transmits/distributes the media content for other devices to stream or download.
DMR (Digital Media Renderer = Network Player)
Connects to a media server via media controller for content playback.
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.

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.

Design Concept

The AK300 is the embodiment of purity and timelessness of music.
Its design was inspired by the AK380, our flagship portable music player, continuing the "light and shadow" motif found in the entire Astell&Kern product line.
The AK240 captured a moment in time at which light had ceased to move, while the AK380 expressed the perpetuity of moving light. 
Now, the AK300 represents the purity of a shadow as it reflects no light.
The essence of a shadow without being split by light was captured in a restrained yet immaculate shape, and this exemplifies the purity of the original studio sound that only Astell&Kern can deliver.
The volume knob was placed in the back to make it protrude so that it would be easier for the user to control with one hand. The front side of the knob is shaped like the wavelength of the sound, which is a representation of the melody and beauty of Astell&Kern that allows the user to catch smallest vibration between sounds. The knurling patterns on the knob's side succeeds the design identity of Astell&Kern audio products while 
offering high-end feel and 
smooth usability.

General 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
Built-in Memory : 64GB [NAND]
External Memory : microSD (Max 128GB) x1
Supported OS : Windows XP, Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up

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