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iFi Audio Pro iDSD

Stereo DAC/preamp/headphone amp & music streamer (with balanced 4.4mm output)

Item # 246PIDSD44

The overachieving iFi Pro iDSD packs an incredible level of audio performance and versatility into its compact chassis.

The overachieving iFi Pro iDSD packs an incredible level of audio performance and versatility into its compact chassis.

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Item # 246PIDSD44

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$2,749.99

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About the iFi Audio Pro iDSD

A versatile toolkit for music lovers

The overachieving iFi Pro iDSD packs an incredible level of audio performance and versatility into its compact chassis. Whether you listen to music through a 2-channel amp-and-speakers rig, a desktop powered-speaker system, or a pair of audiophile-grade headphones, the Pro iDSD will let you hear greater detail and dimensionality from your favorite digital music sources, from lossy MP3s to high-res downloads.

A versatile toolkit for music lovers

The overachieving iFi Pro iDSD packs an incredible level of audio performance and versatility into its compact chassis. Whether you listen to music through a 2-channel amp-and-speakers rig, a desktop powered-speaker system, or a pair of audiophile-grade headphones, the Pro iDSD will let you hear greater detail and dimensionality from your favorite digital music sources, from lossy MP3s to high-res downloads.

First and foremost, the Pro iDSD is a state-of-the-art DAC (digital-to-analog converter) that uses four high-resolution Burr-Brown DACs to dig deep into signals to reveal nuances in your music you've probably never noticed before. It can also function as a stereo preamplifier, with an array of inputs for handling your digital music sources, plus both RCA and balanced XLR outputs for connecting directly to an amplifier.

The Pro iDSD's transparent, three-dimensional sound is proving to be a real eye-opener for audiophiles used to paying much more for this degree of musical realism.

Feed your head(phones)

The Pro iDSD also has a terrific built-in headphone amplifier, with standard 1/4" and 3.5mm outputs, along with a 4.4mm balanced output. The latter is the new industry standard balanced connection that cuts down on signal noise and distortion. Sony developed this special connection, and a growing list of headphones from multiple brands use it.

This DAC/amp combo performs well with most headphones and in-ear monitors, but if you own a pair of power-hungry premium cans, check out iFi's more powerful flagship headphone amp, the Pro iCAN.

And last but not least, the Pro iDSD is a network player, ready to stream audio sources like TIDAL, Qobuz, and Spotify®, using either a wired Ethernet or Wi-Fi® connection.

From the Stereophile review


”Bottom line: iFi Audio's Pro iDSD lived up to the hyperbole of its owner's manual. It did actually play music like "a 'state of the art' reference digital to analog converter." It did indeed sound like "an all-out assault" on what is possible in DACs today...and it did both of those good things at a ridiculously low price. Highly recommended.”

— Herb Reichert, Stereophile, January 2019

Class B rating in Stereophile's ”Recommended Components,” October 2019

Customizable sound offers something for everyone

The Pro iDSD sounds impressive straight out of the box, but it also offers unique ways to customize the sound. First, you can choose from three different output stage options:

  • Solid-State – a fully-discrete Class A topology based on J-FETs
  • Tube – totally separate vacuum tube Class A stage based on two General Electric GE5670 tubes
  • Tube+ – reduces negative feedback to a minimum, and allows more of the tubes' natural harmonic distortion to come through

You can use the front-panel switch to toggle between the three modes without shutting off the Pro iDSD, but there's a brief pause as the circuitry changes over.

Powerful upsampling options: PCM or DSD

The Pro iDSD employs a powerful FPGA (field programmable gate array) that runs on iFi's custom firmware and is responsible for digital filtering and upsampling. For PCM-based signals, you can choose from five digital filter settings. Think of them as seasonings that subtly alter the flavor of your music. It's a cool way to tweak and fine-tune the DAC's sound to match your system and room. After experimenting with the various filter options, I ended up preferring the Bit Perfect and Bit Perfect+ settings.

DSD (Direct Stream Digital) is a high-quality digital audio format that some audiophiles prefer to PCM. The higher the DSD rate — DSD64, 128, 256, 512 and 1024 — the greater the amount of music information. You can use the DSD modes not only for DSD content, but also for "remastering" PCM-based files. The pinnacle of this is Studio Grade DSD1024, which is rarely found, even on the most expensive DACs.

All the right connections for your digital audio gear

iFi Pro iDSD

You can connect the Pro iDSD directly to your amplifier using the RCA or balanced XLR outputs. A four-position screwdriver-slot rotary switch lets you choose fixed or variable output.

The Pro iDSD's flexible set of connections makes it easy to dramatically improve the sound from all your digital audio sources. There's one combo coaxial/mini-optical input for use with disc players, and it's also ideal for a Sonos Port player. Along with these common inputs, there's a balanced digital XLR input that provides an ultra-low-noise connection that's compatible with many high-performance CD transports. These inputs can handle files up to 24-bit/192kHz.

For higher-res files, use the USB Type A input to plug in a thumb drive, or the USB Type B input to connect a laptop or server.

A few nice touches

The illuminated iFi logo at the top left of the front panel indicates power-on in four different states: green for warming up, white for solid-state mode, orange for tube mode, red for protection mode. And the circular OLED display provides useful information about the signal and processing mode.

While the Pro iDSD includes a simple two-button remote for volume control, iFi has a free control app for your favorite Apple® or Android™ device, which integrates all your music choices into a single simple interface. From the music stored on your home network devices, to thousands of internet radio stations, to streaming services like Spotify, this app puts everything at your fingertips.

READ LESS

Product highlights:

    DAC:
    • four Burr-Brown 32-bit/768kHz DACs operating in an "interleaved array"
    • plays PCM digital audio sources up to 32-bit/768kHz; DSD up to 49.152MHz (DSD 1024), and DXD and double-speed DXD
    • other formats include MP3, and MQA for TIDAL Master tier
    • Crysopeia FPGA (field programmable gate array) Digital Engine handles digital processing
    • three types of digital processing:
      • Direct — Bit-Perfect: neither PCM nor DSD signals are processed in any way (non-oversampling for PCM, direct-to-analog conversion for DSD files)
      • PCM Upsampling: PCM is upconverted to 16X PCM (705.6/768kHz) using one of five filter options: Bit Perfect, Bit Perfect+, Gibbs Transient Optimized, Apodizing, and Transient Aligned
      • DSD Remastering: incoming audio (except DSD512) is converted to either DSD512 or DSD1024
    • connects to your home network via wired Ethernet or Wi-Fi® for music streaming and file playback
    • supports streaming playback from TIDAL (including MQA), Qobuz, Spotify, and others
    Preamp:
    • stereo preamplifier with digital audio inputs
    • three output modes:
      • Solid-State: fully-discrete Class A topology based on J-FETs
      • Tube: totally separate all-vacuum-tube Class A stage based on two General Electric GE5670 tubes
      • Tube+: reduces negative feedback to a minimum, and allows more of the tubes' natural harmonic distortion to come through
    • Alps Electric motorized rotary volume dial for precise volume control
    • remote control (adjusts volume level only)
    • OLED display
    • free downloadable apps for iOS® and Android™ let you use a compatible smartphone or tablet as a remote control
    Headphone amp:
    • three-position gain switch to match impedance (0dB, 9dB, or 18dB)
    • "S-balanced" headphone amplification provides the benefits of a balanced connection for single-ended headphones
      • iFi's dual-mono circuitry helps reduce crosstalk between the left and right audio channel
    • full-size 1/4" output
    • 3.5mm output
    • 4.4mm balanced output
    DAC/preamp connections:
    • stereo balanced XLR and unbalanced RCA preamp outputs with selectable fixed/variable level
    • galvanically isolated digital audio inputs:
      • coaxial/mini-optical — supports signals up to 24-bit/192kHz
      • multifunction BNC (S/PDIF or external clock sync input) — up to 24-bit/192kHz
      • balanced AES/EBU digital XLR — up to 24-bit/192kHz
      • USB Type A for connecting a thumb drive
      • asynchronous USB Type B for connecting a Mac® or Windows® computer — PCM files up to 32-bit/384 kHz, DSD up to 5.6 MHz
      • SDHC card input
      • Ethernet port for a wired network connection for streaming and downloads
    • not compatible with multichannel Dolby® Digital signals
    Wireless streaming:
    • built-in Wi-Fi
    • Apple AirPlay for wireless playback from iPhone®, iPad®, and Mac® computers
    • DLNA playback from compatible phones, tablets, NAS drives, or computers
    General features:
    • aircraft-grade aluminum case is specially vented to dissipate heat
    • quad-damped isolation base mount provides solid foundation and absorbs vibrations
    • outboard "iPower Plus" power supply for clean, substantial power
    • 8-7/16"W x 2-1/2"H x 8-1/8"D
    • weight: 4.4 lbs.
    • warranty: 1 year
    • Our 60-day money-back guarantee
    • MFR # 301005

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