M20 MQA vs M300 SE
The M300 SE's signal-to-noise is 131 dB against the M20 MQA's 119 dB and its power @ 4ω 148W against 5W. Both share bit depth (32-bit) and max sample rate (768 kHz).
AI-generated product photo — not official manufacturer imagery.
DigitalDACsHeadphone Amplifiers
Estimated price (community-sourced)
$110
Around — community and catalog average, updates slowly
About the M20 MQA
The SMSL M20 MQA is a compact desktop USB DAC and headphone amplifier from SMSL’s LIN.LIN.LIN line. It uses four Cirrus Logic CS43131 DAC chips, two TPA6120A2 headphone amp chips, and a third-generation XMOS XU-316 USB interface to support high-resolution PCM and DSD playback, plus MQA decoding and MQA-CD support. It is designed for both headphone listening and line-out use, with 3.5 mm line/headphone output, 3.5 mm headphone output, and 4.4 mm balanced headphone output. It also offers USB 1.1 and USB 2.0 modes for broad compatibility, including gaming consoles.
Specifications
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 768 kHz
- DSD Support
- DSD256
- MQA Support
- Yes
- DAC Chip
- CS43131
Analog Output
Analog signal output specifications
- THD
- 0.000%
- SNR
- 119 dB
- Output Voltage
- 2.5V RMS
- Output Impedance
- 22Ω
- Max Output Voltage
- 5.0V RMS
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB Type-C (data)
- Analog Inputs
- 3.5 mm line out, 3.5 mm headphone out, 4.4 mm balanced headphone out
- Analog Outputs
- 3.5 mm line out, 3.5 mm headphone out, 4.4 mm balanced headphone out
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 85 × 22.4 × 85 mm (W × H × D)
- Weight
- 0.165 kg (0 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions