Neo iDSD 2 lossless Bluetooth DAC/Amp

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World's first lossless Bluetooth DAC Headphone Amplifier More details

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The World's first lossless Bluetooth DAC Headphone Amplifier

Upgrade your desktop audio setup with the iFi NEO iDSD 2 Lossless Bluetooth DAC/Amp. This three-in-one unit features a built-in DAC, preamp, and headphone amplifier. What makes the iFi NEO iDSD 2 a next-level Desktop DAC is the implementation of the latest Bluetooth codecs transforming it into a Lossless Bluetooth DAC Amp. Equipped with the latest Bluetooth 5.4 technology and support for the new aptX Lossless, you can enjoy your favorite digital music without sacrificing sound quality. aptX Lossless is the first Bluetooth codec capable of streaming CD-quality audio and even hi-res audio without using any compression methods that notoriously deteriorate sound quality.

With improved headphone outputs and line outputs, newly added analogue processing modes, and upgraded power consumption the iFi NEO iDSD 2 is an upgrade from its predecessor the iFi NEO iDSD Performance Edition Headphone Amp DAC.

Key Features

  • The second generation of iFi's NEO iDSD DAC/Amp
  • Preamp, DAC & Headphone Amplifier combo unit
  • Dual-core DAC design enables true-native DSD and PCM playback
  • Ultra-Res Digital Audio — 32-bit/784kHz PCM, DSD512, and full MQA decoding
  • State-of-the-art HD Bluetooth 5.4 technology — Fully optimized performance regardless of your source device
  • All Bluetooth formats supported: aptX Lossless, aptX Adaptive, aptX, LDAC, LHDC/HWA, AAC, SBC
  • Advanced jitter reduction — GMT Femto-Precision Clock and smart storage cache
  • Four user-installable digital filters that fine-tune the sound to suit the source material
  • Enhanced PureWave fully balanced dual-mono circuit design delivers ultra-low distortion
  • XSpace and XBass II — Adjust soundstage and frequency response to match your headphones
  • iPower 2 included — Audiophile AC/DC power supply with Active Noise Cancellation

It’s head-fi. It’s desk-fi. And it’s hi-fi.

Designed for audiophiles who appreciate high-resolution audio, this three-in-one combo unit pairs effortlessly with your headphones as a Head-Fi DAC/Amp, can be used as a pure DAC with your integrated amplifier, or serve as a DAC/Preamp for your active speakers and power amplifier.

The NEO iDSD 2 has improved headphone and line outputs, providing ample power for your high-demanding headphones, as well as power amplifiers.

Enjoy High-resolution Audio from the latest Bluetooth Technology

The NEO iDSD 2 features the latest Bluetooth 5.4 technology, supporting the new aptX Lossless Bluetooth codec, which provides a maximum bitrate of 1,200kbps. In comparison, aptX Adaptive has a maximum bitrate of 420kbps, while LDAC offers a higher bitrate of 990kbps.

The NEO iDSD 2 uses Qualcomm’s new QCC518x Bluetooth audio chip, which is qualified for Bluetooth 5.4, and supports all* the latest Bluetooth formats including: aptX Lossless, aptX Adaptive, aptX, LDAC, LHDC/HWA, AAC and SBC.

*As of 22 Sep 2023. Check your device for Bluetooth codec support.

5x more headphone output power than its predecessor.

You heard that correctly – the headphone output power of the NEO iDSD 2 is a whopping 5 times more powerful than that of the first generation iFi NEO iDSD. With a maximum headphone output power of 5,551 mW (@ 32Ω), it outperforms some of the very best dedicated headphone amplifiers, making them sweat. In fact, iFi Audio has integrated the Diablo headphone circuit into the iFi NEO iDSD 2, turning it into the ultimate powerhouse.

Suitable for all IEMs and Headphones

The iFi NEO iDSD 2 will not only drive any pair of cans you throw at it but its Auto iEMatch reduces any unwanted sibilance from high-sensitivity headphones with four gain settings ranging from -12dB to +16dB — An iEMatch setting, Normal, Turbo, and Nitro gain setting.

The NEO iDSD 2 is not only a powerhouse, but it’s also tailored for your ears. The newly added analogue processing modes, XSpace and XBass II, along with the four digital filters, allow you to finetune the sound. Both XSpace and XBass II are pure analogue signal processing modes designed to adjust the soundstage and low-frequency response to match your headphones.

A Universal HiFi System with lots of connectivity

With the iFi Neo iDSD 2, you get to decide how it's going to fit into your audio setup. Want to use it as a pure Digital to Analog Converter? No problem! Integrate it with your own headphone amp and let it serve as the sole source for your headphones with high-resolution playback from PCM 32-bit/768kHz to DSD512 and full MQA decoding. You can also connect it directly to your power amplifier as a preamplifier using its analog volume controls. Use it as a Pure DAC, DAC/Preamp or a headphone DAC/Amp — The world is your HiFi oyster! Use the coaxial and optical inputs to connect the iFi Neo iDSD 2 to an Apple TV, Google Chromecast, PS5, high-end CD transport, and more. With a variety of connectivity options like RCA, S/PDIF, and XLR, there’s no shortage of what this HiFi system is capable of.

If you're using the Neo iDSD 2 as a desktop DAC unit, set it to a variable output and its powerful 19.5V maximum balanced output allows you to pair it with your favorite pair of active speakers and use the analog volume controls. The Neo iDSD 2 is versatile enough to be positioned either vertically or horizontally with a 2-inch color display screen that automatically rotates to suit the orientation of your choice.

GMT Femto-Precision Clock. Upgradable.

The internal GMT femto-precision clock, combined with a smart storage cache, forms an advanced jitter reduction system. It effectively reduces jitter in the digital audio signal, producing a cleaner and more accurate sound.

If you possess a more accurate external clock, or if you wish to synchronize with other devices such as CD players or network streamers that have an external clock input, you can connect both the NEO iDSD 2 and the other devices to the external clock via the 10MHz External Sync Clock input for even greater clock signal accuracy.
It’s rare to find an External Sync Clock input in this price range. Even if you don’t have an external clock, the internal GMT femto-precision clock still offers excellent performance in its class.

More than new features. Enhanced circuitry.

The NEO iDSD 2’s enhanced PureWave circuit design, with its balanced dual-mono topology and short signal paths, is known for outstanding linearity and minimal noise and distortion, offering you exceptional sonic purity.

The results are an improved Signal-to-Noise Ratio (SNR) of >120dB(A), Dynamic Range (DNR) of -120dB(A), and Total Harmonic Distortion plus Noise (THD+N) of <0.0015%, bringing the NEO iDSD 2’s performance on par with high-end DACs at a heftier price point.

Introducing the new iFi Nexis App

Introducing the iFi Nexis App for your NEO iDSD 2. Simply search for “NEO iDSD 2” in the ios and Android app stores to access a suite of features and settings. Easily perform OTA upgrades, which automatically update your device over the network.

The app offers a convenient way to control your NEO iDSD 2, allowing you to adjust functions and settings with ease. Download the iFi Nexis App now and experience the full potential of your NEO iDSD 2.

Hi-res audio support is state-of-the-art with True Native® playback. It handles PCM data to 32-bit/768kHz, DSD up to DSD512 and single and double speed DXD.

Thanks to the Burr-Brown DAC chip’s four-channel True Native design, PCM and DSD take separate pathways – this enables DSD, as well as PCM, to remain ‘bit-perfect’ in its native form right through to analogue conversion. This is not the case with all DAC devices from other brands – even if DSD compatibility is stated, many such DACs convert DSD signals to PCM.

The XMOS 16-Core chip processes the audio data received via the USB* digital input.

This new low-latency XMOS microcontroller has greatly enhanced processing power. Compared to the current generation of eight-core chips, this new 16-core IC delivers double the clock speed (2000MIPS) and four times the memory (512KB), as well as the latest SuperSpeed USB standard.

iFi’s in-house digital development team has programmed the XMOS firmware to optimize sound quality and ensure a perfect partnership with the Burr-Brown DAC.

(* Also on S/PDIF on the NEO iDSD/Diablo)

MQA (Master Quality Authenticated) is supported through the USB with full decoding of MQA files up to 384kHz thanks to the processing power of the new 16-core XMOS chip.

Check out how to set up your MQA decoder via Tidal, Roon and Audirvana here.

This means that the full ‘three unfold’ decoding process is performed internally, as opposed to only the final unfold in the manner of an MQA ‘renderer’.

Globally, MQA has become an important consideration for any comprehensively equipped DAC. It is available through for Tidal Masters, Audirvana and Roon.

The Burr-Brown True Native® chipset means file formats remain unchanged or ‘bit-perfect’. This means you are listening to music as the artist intended in the format in which it was recorded.

At iFi Audio we use Burr Brown extensively in our products having selected it for its natural-sounding ‘musicality’ and True Native architecture. Our experience with this IC means we know how to make the most of it.

We use Qualcomm’s new QCC518x Bluetooth processing IC in combination with proprietary circuits to create an audibly superior ‘Bluetooth engine’.

All the current high-definition Bluetooth audio formats are supported – Qualcomm’s aptX Lossless and aptX Adaptive, Sony’s LDAC and HWA’s LHDC, regular aptX, AAC (Apple iOS devices) and SBC (the ‘plain vanilla’ Bluetooth codec).

All of the 24-bit-capable codecs, including aptX Lossless, aptX Adaptive, LDAC, and LHDC, support up to 96kHz.

iFi’s ‘Bluetooth engine’ can also be updated over-the-air, so future codecs may be added.

Extensive jitter-eradication technologies are applied to the digital stage, including our GMT (Global Master Timing) femto-precision clock and intelligent memory buffer. This represents a total ‘out-of-the-box’ systematic digital solution that solves jitter once and for all.

The low-jitter crystal clock has been updated to provide >20dB better performance

Balanced, differential analogue circuit design has long been championed for its ability to reduce noise and cross-talk within the signal path by fully separating the left and right channels.

PureWave is a new, balanced, symmetrical dual-mono topology with short, direct signal paths. The name refers to the sonic purity it achieves thanks to exceptional linearity and infinitesimally low levels of noise and distortion.

As with many other iFi Audio products, we’ve incorporated a custom OV Series operational-amplifier. This top-notch component contributes to the extremely low noise, low distortion (0.0001%) and wide bandwidth.

Switching between settings has been engineered to ensure sonic transparency with advanced trench technology MOSFET is used as a muting switch.

This FET-based switching is handled by a micro-controller, which only ‘wakes up’ when the user changes a setting, thus eradicating any sonically deleterious interference.

muRata control-type, low-ESR high-Q multi-layer capacitors. The ‘ESR control’ aspect of the Murata is something special. Their noise suppression abilities are impressive.

Texas Instruments low-noise ICs offer great unity-gain bandwidth, very low noise and distortion, high output drive capability, Common-mode and Power Supply Rejection Ratios of over 100 dB, wide maximum-output-swing bandwidths and high slew rates.

Tech Specs


Digital USB3.0 B (USB2.0 compatible)/S-PDIF (coaxial/optical)
Bluetooth 5.4 (aptX Lossless, aptX Adaptive, aptx, LDAC, HWA/LHDC, AAC and SBC)
Formats DSD512/256/128/64, Octa/Quad/Double/Single-Speed DSD
DXD (768/705.6/384/352.8kHz), Double/Single-Speed DXD
PCM (768/705.6/384/352.8/192/176.4/96/88.2/48/44.1kHz)
Bluetooth 96kHz


Balanced XLR 6.3V / 7.7V max. (variable) - 4.4V fixed
UnBAL RCA 3.2V / 3.9V max. (variable) - 2.2V fixed


Balanced <= 100Ω
UnBAL <= 50Ω
SNR -112dB(A) @ 0dBFS (UnBAL/BAL)
DNR >116dB(A) @ -60dBFS (UnBAL/BAL)
THD + N <0.0015% @ 0dBFS (UnBAL/BAL)

Headphone Section

Output Balanced >6.4V/68.6 mW (@ 600Ω) /
>5.77V/1040 mW (@ 32Ω)
UnBAL >3.25V/17.6 mW (@ 600Ω) /
>3V/295 mW (@ 32Ω)
Output Impedance >1Ω (UnBAL/BAL)
SNR -112dBA (3.3V UnBAL/6.2V BAL)
THD + N >0.0015% (125mW @ 32Ω)
Power consumption No Signal ~5W; Max Signal ~13.5W
Dynamic range -120dB(A)
Input voltage DC 5V/2.5A, AC 100 -240V, 50/60Hz (with iPower)
Dimensions 214 x146 x 41 mm
8.4" x 5.7" x 1.6"
Weight 970 g (2.14 Ibs)
Warranty period 12 months