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AK320

The AK320 is a portable digital audio player with dual AKM AK4490 DACs, a 4-inch touchscreen and an aluminum body. It suits listeners who want a stand-alone player with balanced output, parametric EQ and USB DAC use.

Dual AKM AK4490 DACs
24bit/192kHz bit-to-bit PCM; DSD64/128 converted to PCM
20-band parametric EQ, 0.01dB steps
128GB built-in memory plus microSD up to 256GB
3.5mm, 2.5mm balanced and optical outputs
USB DAC mode up to 24bit/96kHz

Φωτογραφίες

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Περιγραφή

The AK320 is a portable music player built around two AKM AK4490 DAC chips. It decodes PCM up to 24-bit/192kHz bit-to-bit. 32-bit material is sample-rate converted down, and DSD64/128 files are converted to 24-bit/176kHz PCM for playback. It has 128GB of built-in memory plus a microSD slot (up to 256GB), and plays common formats including WAV, FLAC, ALAC, AIFF, DSF, DFF, MP3, AAC and OGG.

Sound-shaping tools include a 20-band parametric EQ with 0.01dB steps, handled by a dedicated audio DSP, and a 200 femtosecond VCXO reference clock. The PEQ works with 8kHz–192kHz content at 8/16/24-bit, but not with DSD or 32-bit audio. A pressure-sensitive metal touch home button sits below the 4-inch WVGA screen, and the AK Connect app (phone and tablet versions) is available for iOS and Android.

Outputs are a 3.5mm headphone jack, a 2.5mm 4-pole balanced output and a 3.5mm optical output. A micro-USB port handles charging and data transfer, and also lets the player act as a USB DAC for a PC or Mac, limited to 24-bit/96kHz without PEQ. The balanced port and micro-USB connect to the maker's AMP, Cradle and CD-RIPPER accessories. Wi-Fi 802.11 b/g/n and OTA firmware updates are supported.

Βίντεο

Προδιαγραφές

Μάρκα: Astell&Kern
Μοντέλο: AK320
Κατηγορία: Hi-Fi και οικιακός ήχος › Συσκευές αναπαραγωγής

General

Model: AK320
Body Color: Gun Metal
Body Material: Aluminum
Display: 4inch WVGA (480 x 800) Touchscreen
Firmware: Firmware upgrades supported (OTA)

Audio

DAC: AKM AK4490 x2 (Dual 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
Output Level: Unbalance 2.2Vrms / Balance 2.3Vrms (Condition No Load)
Reference Clock Jitter: 200 Femto Seconds
Clock Jitter: 30ps(Typ)

Audio Performance

Frequency Response: ±0.053dB (Condition: 20Hz~20kHz) Unbalance & Balance
Signal to Noise Ratio: 116dB @ 1kHz, Unbalance / 117dB @ 1kHz, Balance
Crosstalk: 130dB @ 1kHz, Unbalance / 135dB @ 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)

Inputs

Input: USB Micro-B input (for charging & data transfer (PC & MAC)) / Connection Mode : MTP (Media Device)

Outputs

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)
USB DAC: Max 24bit 96kHz (UAC 1.0)

Storage

Built-in Memory: 128GB [NAND]
External Memory: microSD (Max 256GB) x1

Power

Battery: 3,400mAh 3.7V Li-Polymer Battery

Physical

Dimensions: 2.95 ”(75.15 mm) [W] x 4.42 ”(112.4 mm) [H] x 0.64 ”(16.45 mm) [D]
Weight: 7.65 oz (217 g)

Software

Supported OS: Windows XP, Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up

Δεδομένα: astellnkern.com; φωτογραφίες: Astell&Kern product page · ενημερώθηκε 2026-10-12 · Βρήκες λάθος; Γράψε μας