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Astell&Kern AK120 II Portable High Definition Sound System (Silver)
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The silver AK120 II Portable High Definition Sound System from Astell & Kern is a pocket-sized audio system capable of studio Mastering Quality Sound (MQS) support and playback. As a high-definition digital music format, MQS delivers distortion-free sound without data loss by operating at 24-bits and sampling at a rate from 96 to 192 kHz. MQS sources are commonly saved as a lossless 24-bit WAV or FLAC files during mastering. The AK120 II also supports 5.6 MHz DSD playback by converting/downsampling to 176 kHz PCM.

The AK120 II has an integrated dual-channel Cirrus Logic CS4398 DAC and balanced output to provide exceptional sonic quality and detail. It can also be used as an external DAC when connected to a Mac or Windows computer via USB. Additional DAC support for CD player or another digital device via optical DAC.

The 3.3" AMOLED touchscreen provides smartphone-style control over playback, while the brushed aluminum body and volume wheel provide a smooth analog feel. The built-in battery recharges via USB and lasts for up to 12 hours of playback. The AK120 II ships with a protective case and micro-USB cable.

MSQ Streaming Wirelessly download and stream music from your Mac or Windows computer via a Wi-Fi network. Firmware updates are available immediately from your wireless network. For MSQ streaming, the Astell & Kern MQS Streaming Server software must be installed on your Windows or Mac computer with a shared folder Storage Space Save high-definition lossless music to the 128GB internal flash memory or to the MicroSD card slot supporting 128GB for expanded storage, allowing you to store a maximum of 256GB of high definition lossless music Built-in Rechargeable Battery The built-in rechargeable lithium-polymer battery has a capacity of 3,150mAh and can be recharged via USB. Listen continuously for up to 12 hours on a charge High Output Impedance Headphone Output: up to 2 Ohms
Balanced Output: 1 Ohm 10 Band EQ Extended frequency control with a 10-band graphic EQ in .5 dB increments. In addition, multiple user EQs are supported so that users may create custom EQs to fit each music genre and change them whenever desired. Design Aluminum hairline and diamond cut finish. The knurled volume knob is wrapped in a guard for secure protection
Product Highlights
-Bit-to-Bit Mastering Quality Sound (MQS)
-Cirrus Logic CS4398 x 2 (Dual DAC)
-5.6 MHz DSD Support
-MQS Wireless Streaming
-3.3" WVGA AMOLED Full Touchscreen
-128GB Internal Flash Memory
-128GB microSD Card Slot
-10-Band EQ
-Integrated Volume Wheel
-Brushed Aluminum Body

Audio Performance

Frequency Response Unbalance & Balanced: 20 Hz to 20 kHz 0.023 dB
Unbalance & Balanced: 10 Hz to 70 kHz 0.3 dB
Signal to Noise Ratio Balanced: 117 dB 1kHz Unbalanced: 116 dB 1 kHz
Crosstalk Balanced: 135 dB 1 kHz
Unbalanced: 130 dB 1 kHz
THD + N Balanced: 0.0005% 1 kHz
Unbalanced: 0.0007% 1 kHz
IMD SMPTE Balanced: 0.0003% 800 Hz 10 kHz (4:1)
Unbalanced: 0.0004% 800 Hz 10 kHz (4:1)
Output Impedance Balanced Out 2.5 mm: 1 Ohm
Phones 3.5 mm: 2 Ohms

General Specifications

Display 3.31" WVGA (480 x 800) AMOLED Touchscreen
Supported Audio Formats WAV, FLAC, WMA, MP3, OGG, APE (Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF
Sample Rate FLAC, WAV, ALAC, AIFF: 8 to 192 kHz (8/16/24-bits per sample)
DSD64: 1-bit 2.8 MHz Stereo
DSD128: 1-bit 5.6 MHz Stereo
Output Level Balanced: 2.3 Vrms (condition no load)
Unbalanced: 2.1 Vrms (condition no load)
DAC 2 x Cirrus Logic CS4398 (dual DAC)
Decoding Support up to 24-bit/192 kHz (bit-to-bit decoding)
Input USB Micro-B Input: For charging & data transfer (Windows & Mac)
Connection Mode: MTP (Media Device)
Outputs Balanced Out: 2.5 mm (only 4-pole supported)
Phones: 3.5 mm
Optical Out: 3.5 mm
Wi-Fi 802.11 b/g/n (2.4 GHz)
Bluetooth V4.0
Clock Sources Clock Jitter: 50 ps (typical)
Battery 3,150 mAh 3.7 V Lithium-ion polymer (LiPo) battery
Memory Built-in Memory: 128 GB NAND
External Memory: 1 x microSD (Max 128 GB)
Supported Operating System Windows XP, Windows 7,8 (32/64-bit)
Mac OS X 10.7 and up
Body Material Aluminum
Dimensions (WxHxD) 2.2 x 4.6 x 0.6" / 5.5 x 11.8 x 1.5 cm
Weight 6.2 oz / 176.9 g
In the Box

Astell&Kern AK120 II Portable High Definition Sound System (Silver)
Micro-USB Cable
Protective Carrying Case  

Listing ID:  3096895

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