xDuoo XD05 Pro (XD05Pro) Hard Nucleus Modular DAC/Amp (Apos Certified Refurbished)

$679.15 $799

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This is an Apos Certified product. That means it's refurbished, like new, eligible for our 45-day return policy, carries an Apos Certified One-Year Warranty, and ships from our US facility. Currently, Apos Certified products are only available to customers with a US shipping address. We appreciate your understanding as we aspire to expand our offerings to a broader audience in the future.

Note: DAC/Amp modules will become available to purchase and added to this product page at the end of this month.

At the Heart of Innovation

In the vast sea of DACs/Amps, what sets the xDuoo XD05 Pro apart is its unparalleled modular abilities. While many devices play the notes, the XD05Pro lets you tailor the symphony. It’s crafted for the listener who doesn’t just want to hear their tunes but desires the freedom to shape them. With the XD05 Pro, you don't just play music; you curate your auditory experience, one module at a time.

Make it yours: Replaceable DAC and OP card

Ever fancied having a sonic palette at your fingertips? The DAC/OP modular system empowers you to experience flagship DACs and high-end operational amplifier chips. Mix and match to discover a multitude of sound styles, and find the one that sings to you.

Ships With: Flagship DAC ES9039SPRO

While the XD05 Pro is modular, it ships with a DAC chip that you might never want to replace. Delve into the capabilities of ESS's 4th-gen flagship 8-channel D/A chip, the ES9039SPRO. With a soaring SNR of up to 140dB, it promises a decoding ability that brings out every nuance in your music. It's not about louder; it's about richer.

Power that speaks: 930mW Desktop-grade output

Whether you’re donning 300Ω or 600Ω impedance flagship headphones, the XD05Pro ensures they're not just driven, but driven well. With output power levels of 930mW and 510mW respectively, you’re guaranteed the clarity and punch your headphones deserve.

Calling All Pop Lovers: BD34301EKV DAC Card Add-on

Looking for that full-bodied vocal in your pop tracks? Add the BD34301EKV DAC card to your order. Specifically designed for the xDuoo XD05 Pro Hard Nucleus Modular DAC/Amp, this card is a small but transformative part of your audio setup that can change how you experience music. With a focus on delivering breathtaking specs such as SNR of ≥128dB and a max THD+N of 0.0005%, this DAC card is ROHM's answer to those who crave a high-end, immersive audio experience.

Elevate Your Intimate Acoustic Sessions: AKM AK4499EX DAC Card Add-on

If small ensembles and intimate acoustic sessions are your jam, the AKM AK4499EX DAC card is a game-changer. Instrumental notes take on a newfound vibrancy and clarity, while female vocals acquire an ethereal, transparent quality. The rich, luxurious sounds of brass and string instruments are rendered more full-bodied than ever before. Enhance your listening experience with this finely tuned module and relish the music the way it's meant to be heard.

Tailored output for every need

Whether you're relaxing with in-ear earplugs or embracing the embrace of over-ear headphones, the XD05 Pro's three-speed output power adjustment ensures optimal performance.

  • TURBO (Large Output Power): Geared for big headphones between 250-600 impedance.

  • ECO (Low Output Power): Crafted for in-ear earplugs, ensuring they shine without overdrive.

  • NORMAL (Medium Output Power): Perfect for power-hungry headphones, with a Class A buffer circuit ready to provide robust current.

Steady sound in desktop mode

Switch to desktop mode with the HIFI DC12V linear power supply. Experience ultra-low distortion and cherish every note in its purest form.

A double treat: Dual screen display

Stay informed and in control. While the main screen provides vital information, the secondary screen showcases the volume, ensuring you always get the perfect level.

Seamless Bluetooth experience

With the Qualcomm QCC5125 chip, Bluetooth connectivity isn't just convenient; it promises a HiFi level auditory experience, supporting a range of formats from SBC to LDAC.

Product Highlights

  • Flagship ES9039SPRO DAC for top-tier decoding.
  • A power-packed 930mW output suitable for flagship headphones.
  • Modular design allowing multiple sound style combinations.
  • High-resolution audio performance for both high and low impedance headphones.
  • Three-speed power output adjustment for varied gear.
  • Dual-screen display for enhanced user experience.
  • Stellar Bluetooth sound quality with multiple supported formats.


  • Applicable OS: Windows. Linux. Mac OS, IOS. Android system
  • Battery: 3.87V/13600mAh
  • Battery Life: USB IN ≥11H |SPDIF IN≥11H | AUX IN≥20H (ECO Mode)
  • Charging Time: ≤6 hours (fast charging) | ≤10 hours (slow charging)
  • Size: 18.5×9.5x3.3 (cm)
  • Weight: 0.78kg
  • Unbalanced Output Parameters::
    • Output Power: 2000mW (32Ω, THD+N<1%)
    • 240mW (300Ω, THD+N<1%)
    • Output Impedance: 50.20
    • Peak Voltage: 23.8Vp-p (TUBRO)
    • Frequency Response: 20Hz-20KHz (+0.5dB)
    • Crosstalk: ≥72dB
    • THD+N: 0.0007%
    • S/N: ≥120dB
  • Balanced Output Parameters:
    • Output Power: 2000mW (32Ω, THD+N<1%)
    • 930mW (300Ω, THD+N<1%)
    • Output Impedance: ≤0.40
    • Peak Voltage: 47.2Vp-p (TUBRO)
    • Frequency Response: 20Hz-20KHz (+0.5dB)
    • Crosstalk: ≥105dB
    • THD+N: 0.0007%
    • S/N: ≥120dB
  • AUX OUT Parameters:
    • Output level: 2.0V
    • THD+N: 0.0008%
    • S/N: ≥120dB
    • Crosstalk: ≥96dB
  • BAL-LO Parameters
    • Output level: 4.0V
    • THD+N: 0.0005%
    • SIN: ≥128dB
    • Crosstalk: ≥100dB
Apos Certified

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