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Hi-Fi Audio in your Pocket
Experience the phenomenal world of music!
What is Astell&Kern?
A Practical EQ Determines the Change in Frequency Response
With the Astell&Kern and a nice set of headphones, audio enthusiasts will appreciate even more various genres of music. Use the touch interface of the built-in 5-band equalizer to delicately find the tone you desire. In addition, touch the screen to finely adjust the value of each band.
The 5 key performance measures of
The AK120 MQS Portable System goes beyond the standard Hi-Fi specifications.
THD+N (1kHz 0dB, No load)
THD + Noise (Distortion) over the THD + Noise signal rate, less distortion is heard. The AK120 achieves a 0.0008% (Typ) distortion signal rate.
SNR (Signal to Noise Ratio) As the signal-to-noise ratio increases, the clearer the sound becomes. AK120’s SNR specification is 113dB.
CROSSTALK The higher the number in the crosstalk specification, the higher the isolation in the Left/Right channels develops. The AK120 has a crosstalk specification of -128dB.
Frequency Response The frequency response specification of +0.02 to -0.02 in the AK120 provides a clear sound from Bass to Treble.
Jitter (1kHz 0dB, No load)
Jitter With smaller figures representing irregular tremors of the signal waveform, the better the device performs. The AK120 has a Jitter specification of 50ps(Typ).
The updated GUI offers faster selection of your large library of music. Setting up the desired equalizer is also easy and is simple as a swipe of your fingers.
The main GUI consists of six (6) key icons to help navigate and play your favorites quickly. Touching the upper part of the main menu instantly brings you back to the “Now Playing” screen. Access your current playlist in a flash by touching the left side of the “Now Playing” screen. Touching the “Option” icon brings up the other option settings, including the EQ settings. The dedicated GUI design give easy access of music makes the AK120 a true hi-resolution audio companion.
A Refined Design with an Analog Feel
|Dimensions||2.3" [W] x 3.5" [H] x 0.6" [D] (58.4 mm x 88.9 mm x 15.2 mm)|
|Weight||5.0 oz (142 g)|
|Display||2.4" (320 x 240) IPS Touchscreen|
|Supported Audio Formats||WAV, FLAC, WMA, MP3, OGG, APE, AIFF, ALAC, AAC|
|Sample Rate||FLAC, WAV : 8kHz ~ 192kHz (8/16/24 bits per sample)|
|Output Level||1.5 Vrms (No Load)|
|DAC||Dual Wolfson WM8740 DAC (24bit/192kHz)|
|Decoding||Supports up to 24bit / 192kHz Bit to Bit Decoding|
|Charging Interface||Micro USB Type-B|
|Interface||USB 2.0, OPTICAL IN/OUT, Headphone Out, USB DAC|
|Feature Enhancements||Software upgrades supported|
|Frequency Response||20Hz to 20kHz +/-0.02dB (24bit 48kHz, No Load)|
|Signal to Noise Ratio||113dB (1kHz 0dB, 24bit 48kHz, No Load)|
|Crosstalk||-120dB (1kHz 0dB, 24bit 48kHz, No Load)|
|THD+N||0.0008% (1kHz 0dB, 24bit 48kHz, No Load)|
|IMD SMPTE||0.003% (24bit 48kHz, No Load)|
|Output Impedance||3 ohms|
|Clock Jitter||50 ps|
|Capacity||2,000 mAh 3.7V Li-Polymer Battery|
|Continuous Playback Time||Up to 14 hours (Standard - MUSIC: FLAC, 16bit, 44kHz, Volume 37, EQ Off, LCD Off)|
|Charge Time||About 5 hours|
|Built-in Memory||64 GB [NAND]|
|External Memory||Micro SD (Max 64GB) x 2|
|Bluetooth||3.0 / A2DP|
|Compatible OS||Windows 2000 / XP / Vista / 7 / 8 / Mac OSX|