6J1 Pre-Amplificador de tubo de vacío Preamplificador Usb Dac

[igori 169]

Que les parece?

https://www.ebay.com/itm/6J1-Vacuum-Tube-Pre-Amplifier-Stereo-Preamp-USB-DAC-HiFi-Lossless-Music-Player/132316644486?hash=item1eceafc486%3Am%3Amr16oBPE2LHQpE0GK2I9yQQ&var=431641284802

Specifications:
Input voltage: DC12V
Dimensions: 14*10*2.5 (CM)

Keys on the device:
ST -- stanby
S – input switch
Previous/Next
Pause/Play

Keys on the remote controller:
AUX – analog signal input
USB – U-disk input (FAT32 format; maximum support 32GB)
MODE – sound source switch
RPT – order/repeat once switch
EQ – gain on/off switch

Supported formats:
Lossy compression format MP3 (MPEG1/2/2.5Layer1/2/3)
Lossy compression format WMA (WMA 7.0/8.0/9.0)
Lossless compression format APE 3.95 or higher version (C1000-C3000)
Lossless compression format FLAC
WAV (IMA ADPCM,INTEL ADPCM,PCM)
CUE (ansi format)
 

Unsupported formats:
"Extra Higf" APE
over 4608kpbs WAV
DTS APE/WAV
AAC/OGG/MPC
 

Package includes:
ZHILAI D5  X1
Remote controller  X1
Power supply  X1
6J1 tubes   X2