Furutech Alpha Design Labs X1 24/192 USB DAC Headphone Amplifier

A private collection, ADL X1 by Furutech on the go or in your stereo, best with IOS and Mac book
Best with Wireworld USB A to Micro USB Starlight 7 Cable

The X1 is small, discrete but highly specified with inputs supporting iOS digital at up to 16/48 via APPLE MFI certified USB Cable for iPod, iPhone, iPad devices. The X1 also runs 24/192 SPDIF with high-resolution files from PC via the PC’s USB output. There’s an analog line-level 4-pin 3.5mm input and a 4-pin 3.5mm output for headphones in the 12~600 ohm range. The 4-pin input supports 3.5mm Remote and Mic Earphones. The 3.5mm TOSLINK optical output delivers USB source signal up to 24/192. There’s a convenient GND TRRS switch making it easy to change from one 4-pin set of ‘phones to another

USB mini-B socket for USB A output from PCs and charging battery
USB A socket for iDevice output via APPLE MFI-certified USB cable
Headphone and Analog out-1 (front) (4-pin) 3.5mm connector for headphones and analog output
Headphone and Analog out-2 (rear) (3-pin) combined 3.5mm connector for headphones
Line input (4-pin): 3.5mm phone jack for analog input (switched)
Mini-optical connector output

High-quality volume control and On/Off switch (front)
Gold-plated 3.5mm input connector: Analog line input (switched)
Gold-plated 3.5mm output connector-1: Headphone or Analog out
Gold-plated 3.5mm output connector-2: Headphone / Analog out or 3.5mm optical output for 24/192 (MAX) SPDIF
4-layer gold-plated printed circuit board with >1oz copper thickness
Gold-plated USB A socket for 16/48 iDevices (iPod/iPhone/iPad)
Gold-plated USB mini-B connector for 24/192 PC operation
Recharges via PC USB connection or AC/DC switching power adapter (sold separately)