AK300
The AK300 is a portable digital audio player with a single AKM AK4490 DAC, a 4-inch touchscreen and an aluminium body. It suits listeners who want a dedicated hi-res player with balanced output, parametric EQ and USB DAC use.
- Single AKM AK4490 DAC
- Native PCM up to 24-bit/192 kHz; DSD converted to PCM
- 20-band parametric EQ
- 2.5 mm balanced, 3.5 mm and optical outputs
- 64 GB built-in plus microSD up to 256 GB
- USB DAC mode up to 24-bit/96 kHz
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The AK300 plays PCM files natively up to 24-bit/192 kHz. Higher-resolution 32-bit material is downsampled, and DSD64 and DSD128 files are converted to PCM for playback. It has a 20-band parametric equalizer driven by a dedicated DSP, and a 200 femtosecond VCXO reference clock. The PEQ works with PCM from 8 kHz to 192 kHz at 8, 16 and 24 bits, but not with DSD or 32-bit audio.
The player has a 4-inch WVGA touchscreen, a metal pressure-sensitive touch home button and a rear-mounted volume knob. Storage is 64 GB of built-in memory plus one microSD slot for cards up to 256 GB. Wi-Fi (802.11 b/g/n, 2.4 GHz) allows over-the-air firmware updates and use with the DLNA-based AK Connect app for phones and AK Connect HD for tablets.
Outputs are a 3.5 mm headphone jack, a 3.5 mm optical out and a 2.5 mm balanced out (4-pole only). A micro-USB port handles charging and data transfer. It also lets the player work as a USB DAC with a computer, limited to 24-bit/96 kHz with PEQ not applied. The player is compatible with the Astell&Kern AMP, cradle and CD-RIPPER accessories.
Vidjo
Speċifikazzjonijiet
- Marka
- Astell&Kern
- Mudell
- AK300
- Kategorija
- Hi-Fi u awdjo tad-dar › Players
General
- Model
- AK300
- Body Color
- Midnight Black
- Body Material
- Aluminum
- Display
- 4inch WVGA (480 x 800) Touchscreen
- Firmware
- Firmware upgrades supported (OTA)
Audio
- DAC
- AKM AK4490 x1 (Single DAC)
- 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
- Decoding
- Support up to 24bit / 192kHz Bit to Bit Decoding
- Reference Clock Jitter
- 200 Femto Seconds
- Clock Jitter
- 30ps(Typ)
Audio Performance
- Output Level
- Unbalance 1.98Vrms / Balance 1.98Vrms (Condition No Load)
- Frequency Response
- ±0.075dB (Condition: 20Hz~20kHz) Unbalance & 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
- Output Impedance
- Balanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)
Inputs and Outputs
- 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)
Connectivity
- Wi-Fi
- 802.11 b/g/n (2.4GHz)
Storage and Power
- Built-in Memory
- 64GB [NAND]
- External Memory
- microSD (Max 256GB) x1
- Battery
- 3,100mAh 3.7V Li-Polymer Battery
Physical
- 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)
Software
- Supported OS
- Windows XP, Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up