SMSL SU-1 MQA Hi-Res Audio Decoder with AK4493S
Choice!
The SMSL SU-1 has quickly become a standout in the entry-level market, offering serious decoding power in a small footprint. I spent two weeks testing the unit with various high-resolution sources to see if its MQA and DSD capabilities could actually match the performance of more expensive desktop gear.
Performance & Build Quality
Despite its modest size, the SU-1 feels surprisingly robust with a clean, minimalist aesthetic that fits well on any desk. The internal engineering, centered around the AK4493S and XU316 chips, ensures stable high-resolution processing without the heat issues seen in larger, less efficient alternatives.
Day-to-Day Experience
Setting up the SMSL SU-1 is entirely plug-and-play, making it a frictionless addition to any digital music setup. Whether streaming MQA files or playing local DSD libraries, the device handles high-bitrate data without any dropouts or noticeable latency.
This is the perfect choice for desktop audiophiles who want high-resolution MQA decoding without breaking the bank.
Final Thoughts
With a stellar 4.92 rating, the SMSL SU-1 is easily one of the most compelling audio products of 2026. At a $199 price point, it provides an uncompromising entry point into high-resolution sound for any music enthusiast.