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ADL X1 Portable DAC and Headphone Amplifier (Black)

The X1 DAC and headphone amplifier from Alpha Design Labs is a true Audiophile product with Hi-Res 24/192 decoding and top quality amplifier and OP Amp components. Beautifully and stylishly designed and created with cutting edge Japanese craftsmanship. Enjoy a warm and smooth yet detailed sound from even your highest resolution music files.

Made for portable audio with iOS Devices and audiophile PC and Mac audio.

Out of stock

SKU: ADL-X1-BK Categories: ,

R 6,900.00

Out of stock

Perfect for music on the go, for PC Audio or in a Hi-Fi System

Headphone listening is an intimate sonic experience and most enthusiasts employ headphone amplifiers and a good pair of headphones. The headphone amplifier determines the quality of sound in hand with the headphones.

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 are an analogue 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 headphones to another.

Portable, Yet Packed With Audiophile Features

While the ADL X1 is certainly small enough to be portable and convenient, it’s also loaded with innovative features such as:

  • Gold-plated USB mini-B connector for 24/192 PC operation
  • Gold-plated USB A socket for 16/48  iDevices (iPod/iPhone/iPad)
  • Optical and line out that combines a 3.5mm phone jack for line out with a mini-jack for optical output
  • Additional 3.5mm jack for headphone output
  • USB 2.0 high-speed compliance with the ability to sample 44.1, 48, 88.2, 96, 176.4 and 192 kHz sampling rates, indicated by LEDs on the front panel

7.5 Hours of Battery Life

The portable audio enthusiast will also appreciate the X1’s long battery life. While the battery in the X1 lasts approximately 7.5 hours after a full charge, it can be completely recharged in around 4 to 5 hours. That provides an exceptional amount of flexibility for playback while on the go. Downtime and scheduling concerns will be minimised.

Top Quality Components & Cutting Edge Japanese Technology

The ADL X1 is a truly versatile portable headphone amplifier and DAC. It’s flexible enough to be used in a countless number of applications, it’s small enough to fit just about anywhere and the sound quality is extraordinary. You’ll appreciate the signature Furutech sound in every component offered by ADL – smooth yet detailed and focused. The ADL X1 is clearly an example of innovative Japanese design at the cutting edge of technology. Are you ready for it?

Top Features:

  • High-performance 24-bit/192kHz XMOS USB and ESS-ES9023 DAC chip
  •  Digital Inputs For iOS, PCs
  •  DD Converter (3.5mm TOSLINK optical output)
  •  Supports ASIO and Asynchronous mode
  •  Elegant Appearance
  •  Low Jitter
  • Stacks easily
  • Fits in the palm of your hand
  • Beautifully-finished aluminium and ABS plastic casing
  • Doesn’t draw power from connected iDevice’s battery
  • Headphone and output can connect to a home stereo system
  • Line input improves the sound of portable analogue audio sources


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

Compatible iDevices:

  • iPhone 7, iPhone 7 Plus, iPhone 6S, iPhone 6, iPhone 6Plus, iPhone5 (lightning cable), iPhone4S, iPhone4, iPhone3GS
  • iPod touch 5th Gen (lightning cable), iPod touch 4th Gen, iPod touch 3rd Gen
  • iPod nano 7th Gen (lightning cable), iPod nano 6th Gen, iPod nano 5th Gen
  • iPod classic 160G(2009)
  • iPad mini, iPad 2, iPad 3rd Gen
Digital-Analogue-Conversion Chip

High-performance ESS-ES9023 24-bit/192kHz DAC chip

Amplifier Chip

Maxim MAX9724C Power IC, Low-RF Direct-Drive Stereo Headphone Amplifier with 1.8V compatible shutdown

USB Controller

USB 2.0 High Speed (480Mbit/s) compliant supporting 8/16/32/44.1/48/88.2/96/176.4/192 kHz sampling rates


Texas Instruments LMV832 Dual 3.3 MHz EMI-Hardened Low-Power CMOS OP AMP

Signal-to-Noise Ratio

95.5 dB (32 ohm) , 98.1 dB (56 ohm) , 101.6 dB (300 ohm), 102.1 dB (600 ohm)

Max Headphone Output Levels (at 1%THD 1KHz)

34mW (12 ohm), 60mW (16 ohm), 82mW (32 ohm), 86mW (56 ohm), 36mW (300 ohm), 19mW (600 ohm)

Charge Time

Approx. 7 hours (DC 5V, 0.5A USB bus power)
Approx. 4 – 5 hours (AC/DC 5V, 1.0-2.0A switching adaptor)

Music Playback Time

Up to 7.5 hours when fully charged


68(W) x 118(D) x 16.5(H)mm


150 g