iFi Audio xDSD Portable DAC / Headphone Amplifier

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The xDSD is an MQA-optimized DAC/amp that can be ultra portable or home-based. With aptX and AAC Bluetooth, it delivers high-resolution audio up to PCM768kHz and DSD512 at 500mW per channel to amplifiers, active speakers and headphones of all types.

Sleek, stylish and sexy, xDSD boasts both wired (USB/SPDIF) and wireless (Bluetooth) connections. It has the power to drive your headphones and improve the sound of your music.

The pure analogue volume control retains full-resolution at all volume levels, meaning xDSD is a major sonic step-up for all smartphones, digital audio players and computers.

Selectable 3D+ and XBass+ functions bring both sensitivity and power to the careful listener. While the 3D+ function provides two separate circuits, one optimised for headphones and the other for loudspeakers. XBass+ technology delivers a tight and deep bass sound.

xDSD has pulled off the task of being ultra-portable and wireless while supporting high resolution formats, including MQA, and delivering 500mW of power per channel. By means of aptX HD and AAC it brings hi-res streaming to Bluetooth.

As always, iFi audio likes to cater to user’s tastes. Out of the box, xDSD comes already optimised for MQA and can handle up to PCM384 and DSD256. For those who prefer PCM768 and DSD512, a simple firmware update can be downloaded from the iFi Audio website.


  • Input Options:
    • USB Audio Class 2 (up to 768kHz/32Bit & DSD512)
    • SPDIF Coax and optical (up to 192kHz/24Bit)
    • Bluetooth (up to 48kHz/16Bit)
    • Automatic selection between USB and SPDIF
    • Manual switching between Bluetooth mode and USB/SPDIF
  • Clock: Ultra-low jitter GMT computer controlled Clock RMS jitter 12kHz – 1MHz < 280 Femtoseconds
  • Battery: 1750mAH/3.8V with Fast Charge support
  • Playback time: SPDIF > 10 Hours BT > 8 Hours USB > 6 Hours
  • Charging time: 500mA Standard USB <= 4.5 Hours > 1A Fast Charger <= 2.5 Hours
  • Dimensions 95 (l) x66.5 (w) x19 (h) mm
  • Weight 127g (0.28 Ibs)

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