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Compact and powerful, the SMSL SU-1 DAC represents an affordable and efficient digital to analog conversion solution. Taking advantage of a careful design, it offers a great versatility while allowing a sound restitution of great quality.
The SMSL SU-1 is based on the use of the AKM AK4493S 32bit DAC chip, using the proprietary VelvetSound™ technology. This one allows a quality digital / analog conversion with a low level of distortion and a wide dynamic range. The result is a sound reproduction that is as rich as it is accurate for a beautiful listening experience.
The SU-1's USB-C input is combined with a powerful XMOS XU316 interface, efficiently processing the received audio signal. In combination with the AK4493S DAC, it allows the SMSL SU-1 to support high resolution audio streams up to PCM 32bit 768kHz and DSD512.
The SU-1 also features an MQA (Master Quality Authenticated) decoder. This format offers a very high sound quality, as close as possible to the studio recording, each file being authenticated by the artist, the producer or the copyright holder. SMSL's DAC also supports MQA-CD.
| 1 | MQA indicator |
| 2 | USB indicator |
| 3 | Optical indicator |
| 4 | Coaxial indicator |
| 5 | ON-OFF / Source selection button |
| 6 | Stereo RCA output |
| 7 | Coaxial input |
| 8 | Optical Toslink input |
| 9 | USB input |
" SMSL cuts the functionality to minimum many need to have high quality conversion of digital to analog from multiple inputs. Performance is superb for the cost as it provides full transparency to the source. I am happy to recommend the SMSL SU-1. "
Technical characteristics
| Specifications | |
|---|---|
| Product type | DAC |
| DAC chip | AK44933S |
| Inputs | 1* USB-C 1* Optical Toslink 1* Coaxial |
| Outputs | 1* Stereo RCA |
| Output level | 2Vrms |
| THD+N | 0.00013% (-117dB) |
| Dynamic range | 121dB |
| SNR | 121dB |
| USB Transmission | Asynchronous |
| USB Compatibility | Windows 7/8/8.1/10/11 Mac OSX 10.6 or later Linux |
| Supported sampling rates | USB : PCM up to 32bit 768kHz, Native DSD up to DSD512, MQA 384kHz Optical / Coaxial : PCM up to 24bit 192kHz, MQA 384kHz |
| General | |
|---|---|
| Consumption | < 5W |
| Standby consumption | < 0.1W |
| Dimensions (L*P*H) | 96*78*27mm |
| Weight | 195g |
| Color | Black |
| Package | 1x SU-1 1x USB-A to USB-C cable 1m |
| Input | SPDIF |
| Input | USB |
| Input | Optical |
| Output | RCA |
| DAC / ADC Chip | AK4493S |
| Max sampling rate | 768kHz |
| Max sampling rate | DSD512 |
| Max sampling rate | MQA |
| Color | Black |
| Networking | No |
| Remote Control | No |
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Average votes 4.9 / 5 18 reviews | Why write products reviews ? You can share your feelings about products and help other people by sharing your experience |
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