Topthema: AperionAudio Dual AMT Super Tweeter Ganz hoch hinaus

Früher einmal waren sie fast unverzichtbar: Superhochtöner. Heutzutage sind (fast) alle Lautsprecher „Fullrange“-tauglich – doch es gibt auch ein neues Anforderungsprofil

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Kategorie: Mobiler Player

Ausstattungsliste: Astell&Kern AK120Ⅱ

Ausstattung & technische Daten

Technische Daten
Body Color	Stone Silver
Body Material	Aluminum
Display	3.31inch 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 : 8kHz ~ 192kHz (8/16/24bits per Sample) / DSD : DSD64 (1bit 2.8MHz), Stereo / DSD128 (1bit 5.6MHz), Stereo
Output Level	Unbalance 2.1Vrms / Balance 2.3Vrms (Condition
DAC	Cirrus Logic CS4398 x2 (Dual DAC)
Decoding	Support up to 24bit/192kHz Bit to Bit Decoding
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)
Wi-Fi	802.11 b/g/n (2.4GHz)
BT	V4.0 (A2DP, AVRCP)
Dimensions	2.16 ”(55 mm) [W] x 4.64 ”(118 mm) [H] x 0.58 ”(14.9 mm) [D]
Weight	6.24 oz (177 g)
Feature Enhancements	Firmware upgrades supported (OTA)
Audio Performance
Frequency Response	±0.023dB (Condition: 20Hz~20kHz) Unbalance & Balance
±0.3dB (Condition: 10Hz~70kHz) Unbalance & Balance
Signal to Noise Ratio	116dB @ 1kHz, Unbalance / 117dB @ 1kHz, Balance
Crosstalk	130dB @ 1kHz, Unbalance / 135dB @ 1kHz, Balance
THD+N	0.0007% @ 1kHz, Unbalance / 0.0005% @ 1kHz, Balance
IMD SMPTE	0.0004% 800Hz 10kHz(4:1) Unbalance / 0.0003% 800Hz 10kHz(4:1) Balance
Output Impedance	Balanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)
Clock source
Clock Jitter	50ps (Typ)
Battery
Capacity	3,250mAh 3.7V Li-Polymer Battery
Memory
Built-in Memory	128GB [NAND]
External Memory	microSD (Max 256GB) x1
OS
Supported OS	Windows XP, Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up