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SMSL DO400 HiFi DAC & Headphone Amplifier-ES9039MSPRO Chip MQA/CD Decoder BT 5.1 (LDAC/AptX HD), XMOS XU316, 768kHz/DSD512, 4.4mm/XLR/6.35mm Outputs USB/AES/Opt/Coax/I2S Input(Silver)
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SMSL DO400 HiFi DAC & Headphone Amplifier-ES9039MSPRO Chip MQA/CD Decoder BT 5.1 (LDAC/AptX HD), XMOS XU316, 768kHz/DSD512, 4.4mm/XLR/6.35mm Outputs USB/AES/Opt/Coax/I2S Input(Silver)
Elevate your listening experience with the SMSL DO400 amplifier, a premium DAC/headphone amplifier that combines cutting-edge technology with versatile connectivity.
SMSL DO400 HiFi DAC & Headphone Amplifier-ES9039MSPRO Chip MQA/CD Decoder BT 5.1 (LDAC/AptX HD), XMOS XU316, 768kHz/DSD512, 4.4mm/XLR/6.35mm Outputs USB/AES/Opt/Coax/I2S Input(Silver)
Item #: 190878703

SMSL DO400 HiFi DAC & Headphone Amplifier-ES9039MSPRO Chip MQA/CD Decoder BT 5.1 (LDAC/AptX HD), XMOS XU316, 768kHz/DSD512, 4.4mm/XLR/6.35mm Outputs

Item #: 190878703

XCD 1688

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Order now and get it around Monday, August 03
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Elevate your listening experience with the SMSL DO400 amplifier, a premium DAC/headphone amplifier that combines cutting-edge technology with versatile connectivity.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High-Performance Chip
Equipped with the ES9039MSPRO chip, it delivers exceptional audio fidelity and clarity, ensuring a premium listening experience for audiophiles and music enthusiasts alike.
Versatile Connectivity
Offers multiple input options including USB, AES, Optical, Coax, and I2S, making it compatible with a wide range of devices for convenient and flexible use.
Advanced Bluetooth Support
Supports BT 5.1 with LDAC and aptX HD, enabling high-quality wireless audio streaming for a modern, hassle-free listening experience without compromising audio quality.

Product Details

Shop SMSL DO400 HiFi DAC & Headphone Amplifier-ES9039MSPRO Chip MQA/CD Decoder BT 5.1 (LDAC/AptX HD), XMOS XU316, 768kHz/DSD512, 4.4mm/XLR/6.35mm Outputs USB/AES/Opt/Coax/I2S Input(Silver) online at a best price in Saint Lucia. B0FFH32GSV
Item Weight2.87 lbs (1.3 kg)

Who Should Buy?

Suitable For
  • Audiophiles

    High-quality sound and features like MQA decoding make it ideal for serious audio enthusiasts seeking the best experience.

  • Music Producers

    Designed for critical listening, its multiple input options allow music producers to easily integrate it into their workflow.

  • Wireless Users

    Bluetooth 5.1 with LDAC/aptX HD support makes it perfect for users who prefer a wireless listening experience.

Not Suitable For
  • Casual Listeners

    Individuals who listen to low-quality tracks may not appreciate the advanced features and higher pricing of this DAC.

  • Budget Shoppers

    With its premium features, this DAC may be out of financial reach for users looking for cheaper audio solutions.

  • Limited Space Users

    Those with small setups or restricted space may find a standalone DAC and amplifier combo unnecessary or cumbersome.

Product Description

SMSL DO400 HiFi DAC & Headphone Amplifier-ES9039MSPRO Chip MQA/CD Decoder BT 5.1 (LDAC/AptX HD), XMOS XU316, 768kHz/DSD512, 4.4mm/XLR/6.35mm Outputs USB/AES/Opt/Coax/I2S Input(Silver)

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Customer Questions & Answers

  • Question: What types of inputs does the SMSL DO400 support?

    Answer: It supports USB, Optical, Coaxial, AES/EBU, I²S, balanced XLR, and RCA analog inputs.
  • Question: Can I use Bluetooth with the SMSL DO400?

    Answer: Yes, it features Qualcomm QCC5125 Bluetooth chip, supporting high-resolution audio formats.
  • Question: How much power does the headphone amplifier provide?

    Answer: The DO400 headphone amplifier provides up to 6W@16Ω and 3W@32Ω.

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16 June 2026 · via Trustpilot
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12 June 2026 · via Trustpilot
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XCD 1688

Order now and get it around Monday, August 03

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • High-fidelity DAC and headphone amplifier for audiophiles.
  • Equipped with flagship ESS ES9039MSPRO DAC for exceptional sound quality.
  • Supports 32-bit/768kHz PCM and DSD512 decoding.
  • Features extensive connectivity options including USB, Optical, Coaxial, and more.
  • Ultra-low distortion headphone amp delivers up to 6W power at 16Ω.
  • Bluetooth 5.1 technology for high-resolution audio streaming from mobile devices.