Description
Astell & Kern A&norma SR25 Portable Digital Music Player Moon Silver JAPANDescription SpecificationsRecording mediaBuilt-in capacity: 64GB (NAND flash) *Including system areaExpansion slot *1: microSD card slot x 1 (SDHC/XC up to 1TB)Music playback Number of songs recorded on the main unit *2:Approx. 390 songs (FLAC/192kHz~/24bit)Approx. 2470 songs (FLAC/44.1kHz?/16bit)Continuous playback *3: Approx. 21 hoursFile formats: WAV, FLAC, MP3, WMA, OGG, APE, AAC, ALAC, AIFF, DFF, DSFSampling rate:8kHz? ? 384kHz? *NativeDSD64 (2.8MHz?/1bit) ? DSD256 (11.2MHz?/1bit) *NativeQuantization bit rate: 8bit ~ 32bit *NativeBit rate: (FLAC) 0 to 8, (APE) Fast to High, (MP3/WMA) up to 320 Kbps, (OGG) Up to Q10, (AAC) up to 320 KbpsFolder management: ?Tag information: ID3 V1 Tag, ID3 V2 2.0, ID3 V2 3.0Database management: Song, Album, Artist (or Album Artist), Genre, Playlist, Folder, MQS, CDResume function: ? *Playback from head startAlbum art: ?Lyrics display: ?Playlist function: ?Playback method: Normal, ShuffleRepeat mode: Repeat, 1 song repeatEqualizer function: User EQ (20Band: 30Hz~~~18KHz~/Gain: ±5.0/Q value: 0.1~4.0)Gapless playback: ?Audio?D/A converter: Cirrus Logic CS43198 x 2 (Dual DAC)Input terminal: USB Type-C terminal (charging, data transfer, USB DAC)Output terminal: Earphone (unbalanced) output, balanced output (2.5mm/4-pole), USB AUDIO outputUSB AUDIO output: PCM: max. 384kHz~/32bit, DSD(Dop): max. DSD256USB-DAC function*4: ?AK Connect function (DLNA): ?Open APP Service function: ?V-Link function: ?Output Level: Unbalanced 2.0 Vrms, Balanced 4.0 Vrms (without load)Output impedance: Unbalanced: 1.8 ? / Balanced: 1.6 ?Frequency Response:±0.014 dB (20 Hz to ~20 kHz to ~20 kHz) unbalanced / ±0.011 dB (20 Hz to ~20 kHz to ~20 kHz) balanced±0.10dB (20Hz to ~70kHz to) unbalanced / ±0.12dB (20Hz to ~70kHz to) balancedS/N ratio: 122dB @ 1kHz~ (unbalanced) / 123dB @ 1kHz~ (balanced)Crosstalk: -138dB @ 1kHz? (unbalanced) / -144dB @ 1kHz? (balanced)THD+N: 0.0007% @ 1kHz? (unbalanced) / 0.0008% @ 1kHz? (balanced)IMD: 0.0004% from 800Hz to 10kHz (4:1) unbalanced0.0003%: 800Hz to 10kHz? (4:1) balancedClock jitter: 25ps (Typ)Reference clock jitter: 200 femto secondsControls: Physical keys Power (screen on/off), song back, play/stop, song forward, dial volumeLock function: Dial volume lock when screen is off (can be set from the notification bar pulled out from the top of the screen)Volume adjustment: 151 stepsWi-Fi standard: IEEE 802.11 b/g/n (2.4GHz and up)Bluetooth version: 4.2Profile*5: A2DP, AVRCPSupported codecs: SBC, AAC, aptX, aptX, HD, LDACSupported OS *6: Windows 7, 8, 10 (32/64bit), Mac Os X 10.7 or higherCPU: Quad-CorePower supply Battery: Built-in lithium polymer battery (3150mAh / 3.7V)Auto-off function: Auto power off (when no operation), screen off (when no operation), sleep timerCharging method: Charge only (when power is off), Charge & playback & data transferCharging time: Approx. 2.5 hours (5V/2A)USB type*7: USB Type-C (charge and transfer)Connection method: MTP (media device) methodScreen Display: 3.6 TFT color LCD (capacitive touch screen)Resolution: HD (720 x 1280 dots)Size (W x H x D): approx. 63.5 x 108.3 x 16.1 (mm)Weight: approx. 178 gShipping FedEx?or DHLInternational Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. Thank you for your understanding.
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