The SMSL M400 MQA DAC uses the newest high-performing D/A chip from AKM, the AK4499. It supports MQA decoding, PCM 32bit / 768 kHz, and DSD512 Native. It supports UAT files, comes with a high-end power supply, and includes a jitter clock design. The M400 has USB, Optical, Coaxial, Bluetooth, and IIS inputs. For outputs, it has RCA and XLR capability. Finally, it comes with remote control for ease of use from a distance.
- D/A Chip: AK4499EQ
- Contains XMOS XU216 Chip
- Contains 2 ACCUSILICON Crystal Oscillators
- Supports MQA Decoding
- Bluetooth 5.0 Capability
- Supports UAT: 24bit/192kHz
- Supports LDAC: 24bit/96kHz
- Supports aptX HD: 24bit/48kHz
- Supports AAC: 16bit/44.1kHz
- DSD512 Native
- PCM 32bit/768kHz
- SNR: 131dB
- THD+N (A-weighted): 0.000058% (-124dB)
- Dynamic Range: 131dB
SMSL M400 Balanced DAC AK4499 XMOS XU216 MQA 32Bit 768kHz DSD512
The M400 uses a high-performance DAC AK4499 chip. This is currently the best performance conversion chip built by AKM, it allows the M400 to reach an impressive SNR of 131dB with a THD+N of -124dB. Thanks to this conversion chip, the M400 supports high sampling rates and lets you enjoy the most precise reproduction possible for your very high-resolution audio files. The M400 is able to play PCM files up to 32bit 768kHz and Native DSD up to DSD512.
MQA for Master Quality Authenticated is an award-winning British technology for restoring the sound of the original recording. The MQA Master file is authenticated by the artists, producers, or rights holders. These files are small enough to be streamed or downloaded. The M400 includes an MQA decoder to play these files in order to provide the best possible audio quality.
The USB input of the M400 is associated with an XMOS XU216 32bit XMOS interface, with a custom driver. This ensures rich and transparent playback while supporting high sampling rates.
The digital stage of the M400 uses ultra-high precision and ultra-low noise Accusilicon clocks to provide the best audio performance. These crystal oscillators with extremely low phase noise (<90dBc @ 10Hz) are usually intended for professional recording devices. They propose a singularly low jitter rate measured at <2ps on the 10Hz-1MHz band and <0.08ps on the 12-80MHz band.
The SMSL M400 also includes 7 digital filters for PCM signals, allowing you to adapt the playback to your listening needs:
- Fast linear
- Slow linear
- Fast minimum
- Slow minimum
- Fast hybrid
The SMSL M400 is equipped with a beautiful bright display on the front panel, allowing it to display all the information about the current playback. This includes the volume level, active input, flow, and file type, as well as the sampling rate of the read file. This screen is protected by a tempered glass pane. The components are hidden under a beautiful and robust CNC machined anodized Aluminium housing. The unit also comes with an IR remote control for easy remote control.
- SMSL M400
- 1 x Power cable
- 1 x USB-B to USB-A cable