AI-generated product photo — not official manufacturer imagery.
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
About the D400 EX
The SMSL D400 EX is a flagship desktop DAC built around one AK4191 digital chip and two AK4499EX DAC chips in a dual-mono design, with one AK4499EX per channel. It supports MQA and MQA-CD decoding, PCM up to 32-bit/768 kHz, and native DSD512, and it includes USB, optical, coaxial, AES, I2S, and Bluetooth inputs with RCA and balanced XLR outputs. The unit also features a color IPS display, remote control, seven digital filter modes, and a metal chassis with an all-aluminum build. It has been discontinued.
Specifications
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 768 kHz
- DSD Support
- DSD512
- MQA Support
- Yes
- DAC Chip
- AK4499EX
Analog Output
Analog signal output specifications
- THD
- 0.000%
- SNR
- 133 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- LDAC, aptX HD, aptX, AAC, SBC
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB-B, optical, coaxial, AES, I2S, Bluetooth
- Analog Inputs
- RCA, XLR
- Analog Outputs
- RCA, XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 240 × 46 × 188 mm (W × H × D)
- Weight
- 1.85 kg (4 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions