Skip to product information
1 of 4

Dvun Audio



Regular price $459.99
Regular price $459.99 Sale price $459.99
Sale Sold out

ES9038Pro is currently the highest offering from American DAC chip manufacturing company ESS Technologies. The new SMSL SU-9 DAC supports a wide range of input formats including: PCM up to 32bit 768kHz DSD DoP and SPDIF. The SU-9 features a front panel with a minimalist style with a color display in the middle and a rotary encoder on the right.

SMSL has carefully thought the circuit board layout and design through using short tracks for the analog signal to get the highest sound quality. The rotary encoder on the front panel allows for switching between inputs changing sound color modes setting the DAC to preamp mode and digital volume control provided in 99 steps.

USB digital input is handled by XMOS XU-208 enabling the SMSL SU-9 of decoding PCM up to 32bit/768kHz and DSD512 and MQA. Other notable specs include seven user-selectable filters Bluetooth connectivity an optimized clock processing circuit and ES9311 voltage regulators that have an ultra-low noise of 1uVrms.

The SMSL SU-9 DAC follows the company's footsteps and includes an internal power supply which is definitely a plus makes the SU-9 feel heavy assuring its high quality.

SU-9 includes a digital PLL jitter-reduction system option to reduce jitter to undetectable levels which is useful when connecting the balanced DAC to optical source connections such as TV.

The SMSL SU-9 includes seven digital filters that are coded in the ESS ES9039Pro DAC chip itself such as Apodizing linear fast a fast linear and minimum phase filters a slow linear and minimum phase filter along with the traditional brick wall.

For wireless music playback the SMSL SU-9 also includes a Bluetooth connection and a wireless removable Bluetooth antenna attached to the back panel of the DAC.

View full details


We are committed to improving the shopping experience, increasing customer satisfaction and loyalty, and meeting our customers' needs to experience high-quality music and sound

Reliable Shipping

Partner with reliable logistics providers and offer multiple shipping options, including expedited shipping.Provide accurate delivery estimates and proactive status updates to keep customers informed

Product Availability

Implement a robust inventory management system to track stock levels in real-time.Notify customers when products are back in stock and offer pre-order options for high-demand items.

Excellent Customer Service

Enhance customer support by offering multiple channels such as live chat, email, and phone support. Train customer service representatives to handle queries efficiently and empathetically.Implement a ticketing system to ensure timely responses.

Easy Returns and Refunds

Simplify the return process with clear policies and easy-to-follow instructions. Offer free returns to enhance customer confidence.

Experience Hi-Fi Audio Like Never Before

Our audience are audiophiles and music enthusiasts who are interested in high-quality audio products1. This includes both beginners and more experienced users who seek high-end earphones, in-ear monitors, high-resolution digital audio players, portable headphone amplifiers, DACs, and true wireless earbuds.

We've got some really persuasive customer reviews for our Hi-Fi audio gear.

- These appreciation and recognition come from music practitioners, audiophile and music enthusiasts in different industries -

  • Superb All-Round Service

    "Excellent service, easy ordering process, and trustworthy delivery. Our ordered arrived in under a week, even though the estimated delivery time was 7 to 10 days"- from Chris Farrell (US)

  • Efficient Customer Support

    "I once bought a Digital Audio Player (DAP) that failed within three months of purchase. I contacted DVUN customer support and received helpful and efficient responses within minutes. The DAP was returned, repaired, and sent back to them within three weeks, It's pretty incredible."--from Blue Weeber

  • Great Sales and Selection:

    "I’ve made quite a few purchases from over the past year or so and my experience with them has been great. They offer several shipping options and I’ve always received my order a lot faster than their estimate. They have great sales events several times per year and the deals are really great during these sales.I highly recommend to anyone looking for IEMs, headphones, amps, or anything hi-fi related."--from Nábrádi Lajos (HU)

  • Excellent shop for Hi-Fi Audio gear.

    "I’ve used on a number of occasions. I’ve been happy with the service every time. Prices are good, there’s a great range of products and delivery to the UK is quick and hassle-free. Consider also that they offer delivery options for Europe with prepaid tax and duties at no additional cost I applaud that they have a free post option with duties paid. --from Thompson (UK)

Exceptional Sound Quality

Immerse yourself in crystal-clear audio with our state-of-the-art technology.

Shop now

Elegant Design

Stylish and modern aesthetics that complement any setting.

Shop now

Unmatched Durability

Built to last with high-quality materials for long-term enjoyment.

Shop now


Free Shipping

the order more than $50 for Free Shipping worldwide.

Collapsible row

Collapsible row

Collapsible row