Dual ES9039MSPRO Chips Bluetooth 5.1 MQA Audio DAC

  • MQA Full Decoding
  • Flagship Dual ES9039MSPRO DAC Chips
  • Unmatched Internal Precision
  • Elevate Your Listening Experience
  • Aesthetic Sophistication and Connectivity Finesse
  • Seamless Wireless Connectivity
  • Reliability Meets Sophistication
  • Uncompromising Audio Quality
Regular price $999.00 USD
Sale price $999.00 USD Regular price

MQA Full Decoding

Step into the future of audio technology with MQA Full Decoding. This revolutionary technology is designed to eliminate time-blurring distortion in recorded music. When analog sound is converted to digital, spatial details are often lost. MQA eradicates this distortion, creating an authentic 3D sound field that goes beyond conventional audio experiences.

Flagship Dual ES9039MSPRO DAC Chips

Embark on an auditory journey with the latest flagship dual ES9039MSPRO decoding chips from ESS. MQA decoding capabilities ensure the capture of every musical nuance. The USB, powered by XMOS XU-316, supports up to 32-bit/768kHz PCM and DSD512, delivering unparalleled clarity and depth.

Unmatched Internal Precision

Experience unparalleled audio precision with dual linear power supplies that segregate digital and analog units. This meticulous design ensures stable and low-noise power delivery, setting the stage for an exceptional audio journey.

Elevate Your Listening Experience

Redefine audio excellence with 21 high-end dual op-amps, meticulously crafted to elevate performance and minimize distortion to an astonishing 0.00005%. Each note is delivered with unparalleled precision, providing an immersive and crystal-clear soundstage.

Aesthetic Sophistication and Connectivity Finesse

The CK-03 Clock Processing adds finesse to your audio experience, reducing jitter for a more refined and enjoyable listening experience. Complemented by a full-fit color IPS display screen with tempered glass and an elegant high-quality aluminum alloy housing, this device stands as a testament to both simplicity and durability.

Seamless Wireless Connectivity

Embark on a wireless audio journey with the Qualcomm Bluetooth Chip, offering LDAC, APTX/HD, SBC, AAC support. This high-end wireless capability ensures an uninterrupted and high-fidelity listening experience

Reliability Meets Sophistication

Experience seamless and reliable connectivity with gold-plated input/output terminals. These interfaces not only add sophistication but also guarantee a secure and premium connection for your audio devices.

Uncompromising Audio Quality

The JAS Hi-Res Certification, bestowed by the Japan Audio Association, recognizes and certifies the uncompromising audio quality of this device. Immerse yourself in a sonic landscape that adheres to the highest standards of sound reproduction.

Inside the Box

  • 1 x SMSL SU-X
  • User Manual

1 Year Warranty

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

Technical Details

Line output amplitude
XLR 5.2Vrms | RCA 2.5Vrms
Dynamic range
135dB(XLR) | 128dB(RCA)
135dB(XLR) | 128dB(RCA)
USB transmission
USB2.0 asynchronization
USB compatibility
Windows 7 / 8 / 8.1 / 10 / 11(driver-required) | Mac OSX10.6 above、Linux(No driver)
MQA decoder
USB / Optical / Coacial / AES
MQA-CD decoder
Optical / Coacial / AES
Sampling rate & Bit Width
USB PCM: 44.1~768kHz(32bit) | DSD: 2.8224~22.5792MHz(1bit) | Optical / Coaxial: 44.1~192kHz(24bit) | DoP: DoP256(USB), DoP64(Optical/ Coaxial/AES)
Bluetooth specification
LDAC: 24bit/96kHz(990kbps/660kbps/330kbps) | aptX-HD: 24bit/48 kHz_576kbps | aptX: 16bit/44.1 kHz_352kbps | SBC: 16bit/44.1 kHz_328kbps | AAC: 16bit/44.1 kHz_320kbps | Power Consumption: <20W | Standby power: <0.5W | Size: 250x51x217mm(WxHxD) | Weight: 2.7kg/5.95lbs

Processing Time

This product is in Pre-order period. Pre-orders are provided for items that have not reached us and will take some time to be shipped out.

Pre-order Period: Delivery time is uncertain. Please email us for specific dates.


  • No cancellation of orders once ordered.
  • All orders to be shipped out sequentially.

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)

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30-Day Return Policy

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