ADL by Furutech X1

Furutech ADL X1 24/192 USB DAC and Headphone Amplifier.
Made for iPod iPhone iPAD

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
from one 4-pin set of ‘phones to another.

Technical Specifications

24-bit/192kHz XMOS High-Performance Streaming Controller
supports ASIO and Asynchronous mode USB 2.0 High Speed
(480Mbit/s) compliant
supporting 8/16/32/44.1/48/88.2/96/176.4/192 kHz sampling
rates

High-performance ESS-ES9023 24-bit/192kHz DAC chip
Maxim MAX9724C Power IC , Low-RF Direct-Drive
Stereo Headphone Amplifier with 1.8V compatible shutdown
TI- LMV832 Dual 3.3 MHz EMI-Hardened Low-Power CMOS OP AMP
Power Supply 1: DC 5V 500mA ~ 2000mA
Power Supply 2: DC 3.7V 2600 mAh Li-ion rechargeable battery

Review Stereo 8/2013