SMSL D400 Pro

High Resolution AK4191 & AK4499EX DAC Chips USB Desktop DAC

  • Flagship AKM DAC Chips
  • Precision Timing with CK-03 Clock Circuit
  • Gold-Plated Terminals for Optimal Connections
  • Customize Your Sound with Seven Digital Filters
  • Effortless Control with Full-Function Remote
  • Bluetooth Brilliance with Qualcomm's High-End Chip
Regular price $619.00 USD
Sale price $619.00 USD Regular price

Flagship AKM DAC Chips

Immerse yourself in audiophile-grade sound quality with the SMSL D400 Pro, featuring flagship AKM DAC chips AK4191 and AK4499EX, bringing out the true essence of every musical note.

Precision Timing with CK-03 Clock Circuit

Elevate your listening experience with the CK-03 clock processing circuit, meticulously designed to reduce clock jitter, ensuring a stable and flawless audio performance that lets you focus solely on the music.

Gold-Plated Terminals for Optimal Connections

Establish rock-solid connections with confidence, thanks to the high-quality gold-plated input and output terminals on the D400 Pro. Say goodbye to signal loss and weak links in your audio chain.

Customize Your Sound with Seven Digital Filters

With seven digital filters at your disposal, the D400 Pro empowers you to sculpt your sound to perfection. Whether you're a purist or an adventurer, personalize your audio experience to match your unique preferences.

Effortless Control with Full-Function Remote

Enjoy the convenience of staying put with the compact and durable remote control included with the D400 Pro. Effortlessly manage your audio settings, providing you with a user-friendly and streamlined experience.

Bluetooth Brilliance with Qualcomm's High-End Chip

Experience the brilliance of wireless audio streaming with the D400 Pro's Qualcomm high-end Bluetooth chip. Support for codecs like LDAC 24bit/96kHz, APTX/HD, SBC, AAC, and a range of up to 15 meters ensures your music can roam freely, just like you.

Inside the Box

  • 1 x SMSL D400 Pro
  • User Manual

1 Year Warranty

The SMSL D400 Pro Comes with a 1 year warranty on the AMP & DAC only. Warranty doesn't apply to the included accessories.

Technical Details

USB, coaxial, optical, I2S, Bluetooth, AES
Output level
XLR: 5Vrms | RCA: 2.5Vrms
Output impedance
XLR: 200Ω | RCA: 100Ω
XLR: 0.00006% | RCA: 0.00008%
Dynamic range
XLR: 132dB | RCA: 126dB
XLR: 132dB | RCA: 126dB
USB transmission
USB compatibility
Windows 7/8/8.1/10/11 (needs driver), Mac OSX 10.6 or later, Linux
MQA decoder
USB, optical, coaxial

Authentic Products

Linsoul Audio is the authorized distributor. All products are authentic and genuine.

Worldwide Free Shipping

We are located in China but send our products worldwide for free. T&Cs apply.

1 Year Warranty

We provide 1 year warranty for the all products except the cables and accessories*.

Online Support

Need help?, we are here to assist you
Monday - Friday: 09:00 – 18:00 (UTC+8)

Customer Reviews

Be the first to write a review

Shipping Policy

Which countries do you ship to?

How much does shipping cost?

How long does it take to receive the order after it is placed?

What happens if the parcel has been shipped but not delivered?

Who will pay for the import tax/custom fees

What shipping companies do you use?

Customer Support

How do I get help for my order?

Do I get tracking details for my order?

How do I cancel my order?

30-Day Return Policy

Where should I send the product for the return process?

When must the product be returned after receiving the RMA form and details? 

When will I receive my refund after returning the product?