iFi Audio Pro iDSD Signature – Flagship DAC/Amp/Streamer Powerhouse

The iFi Audio Pro iDSD Signature is a reference-class all-in-one audio hub for demanding audiophiles. Combining quad-stack DACs, hybrid analog tuning, network streaming, and high-output power in a refined chassis, it delivers unparalleled versatility and sound clarity.

Key Features

• Quad-stack Burr-Brown DACs & XMOS/X-Core processing: Provides superior linearity and ultra-high-resolution playback up to PCM 768 kHz, DSD512, 2×DXD, and full MQA decoding.
• Crysopeia FPGA engine with DSD remastering: Upscales PCM and DSD files to DSD512 or DSD1024 for immersive, studio-grade fidelity.
• Hybrid analog output modes: Toggle between solid-state, tube, or Tube+ circuits for tailored warmth, clarity, or harmonic depth.
• High-power balanced outputs: Delivers >4,200 mW into 16 Ω (balanced) or >1,575 mW (single-ended), capable of confidently driving demanding headphones.
• Multifunctional hub: Functions as a standalone DAC, preamp, streamer (Ethernet/Wi-Fi), headphone amp, or network audio endpoint.

Customer Benefits

Whether refining tracks in your studio, streaming high-res music, or powering heavy-duty headphones, the Pro iDSD Signature adapts seamlessly. Its clean power, flexible tuning, immersive upsampling, and extensive I/O set-up empower you to craft and enjoy sound to the fullest.

Quick Specs

• Dimensions: 21.3 × 22.0 × 6.3 cm
• Weight: 1.98 kg
• Digital formats: PCM up to 768 kHz, DSD up to DSD1024, full MQA decoding
• Inputs: USB-B, AES3 XLR, S/PDIF (coaxial/optical via combo), BNC, Ethernet, Wi-Fi
• Outputs: Headphone—Balanced 4.4 mm & S-Balanced 3.5 mm; Line—Balanced XLR, RCA
• Gain settings: 0 dB, 9 dB, 18 dB for headphone section
• Power consumption: < 22 W idle, 50 W max

What’s in the Box

• Pro iDSD Signature unit
• iPower Elite low-noise power supply
• USB 3.0 (Type B) cable
• RCA cable
• Infrared remote control
• Wi-Fi antenna
• Optical converter head
• Plastic screwdriver (for output cards)
• User manual and warranty card

Use Cases / Ideal For

Perfect for serious audiophiles, mastering engineers, and hybrid-minded listeners. Whether used as a DAC/preamp, streamer, or headphone amp, it’s equally powerful as a desktop centerpiece or studio command hub.

Compatibility

Supports USB, S/PDIF, AES, Ethernet, and Wi-Fi input sources; integrates with NAS, memory storage, or streaming via DLNA and AirPlay. Delivers balanced or single-ended analog output and drives headphones via S-Balanced or 4.4 mm connectors.

Pros & Cons

✅ Pros:

• Quad-stack DAC and FPGA DSD remastering for maximum clarity and depth
• Hybrid analog sound—including tube warmth or ultra-clean solid-state
• Massive headphone output power with flexible gain settings
• Multifunctional design covers streaming, preamp, DAC, and amp roles

⚠️ Cons:

• Substantial size and weight—best suited for stationary setups
• Advanced features may require time to explore and configure

The iFi Audio Pro iDSD Signature is the pinnacle of all-in-one hi-fi versatility and fidelity, built for those who won’t compromise.