[已过期]Astell&Kern AK Jr 便携HiFi播放器

• JoyBuy 现有 Astell&Kern AK Jr 便携HiFi播放器 ，现价$129.99(指导价$259)。
• 美国境内免运费。
• 点击购买>>

 

小编推荐：曾经的入门级经典AK Jr 发布时的2999RMB的价格对于这个品牌来讲已经是良心价了，JoyBuy不到1000RMB的价格可以说是很香了，美亚还在卖$200呢。AK Jr相信烧友们并不陌生了，采用Wolfson WM8740 DAC，能够支持DSD播放，在小巧的体积内拥有不俗的音质。奢华不低调的外观和优异的做工即使在今天来看也绝不过时。

 

配置参数(来源于Astell&Kern官网)：

Body: MaterialAluminum

 

Display: 3.1inch WQVGA (240 x 400) Touchscreen

 

Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE(Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF

 

Sample rate: FLAC, WAV, ALAC, AIFF : 8kHz ~ 192kHz (8/16/24bits per Sample) / DSD : DSD64 (1bit 2.8MHz), Stereo (DSD to PCM)

 

Output Level: 1.95Vrms

 

DAC: Wolfson WM8740 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 : UMS(USB Mass Storage)

 

Output: PHONES (3.5mm)

 

BT: V4.0 (A2DP, AVRCP)

 

Dimensions: 2.08” (52.9 mm) [W] x 4.60” (117 mm) [H] x 0.35” (8.9 mm) [D]

 

Weight: 3.28 oz (93 g)

 

Feature Enhancements: Firmware upgrades supported (F/W file copy)

 

Frequency Response: ±0.04dB (Condition: 20Hz~20kHz) / ±0.3dB (Condition: 20Hz~70kHz)

 

Signal to Noise Ratio: 112dB @ 1kHz

 

Crosstalk: 120dB @ 1kHz

 

THD+N: 0.005% @ 1kHz

 

IMD SMPTE: 0.0006% 800Hz 10kHz(4:1)

 

Output Impedance: 2ohm

 

Clock Jitter: 50ps (Typ)

 

Battery Capacity: 1,450mAh 3.7V Li-Polymer Battery

 

Built-in Memory64GB [NAND]

 

External MemorymicroSD (Max 256GB) x1