M300 SE vs M20 MQA
The M20 MQA's signal-to-noise is 119 dB against the M300 SE's 131 dB and its power @ 4ω 5W against 148W. Both share bit depth (32-bit) and max sample rate (768 kHz).
AI-generated product photo — not official manufacturer imagery.
DigitalDACsHeadphone AmplifiersPre-Amplifiers
Estimated price (community-sourced)
$120
Around — community and catalog average, updates slowly
About the M300 SE
The SMSL M300 SE is a desktop DAC and headphone amplifier designed for balanced and single-ended playback. It uses dual Cirrus Logic CS43131 DAC chips, a third-generation XMOS XU-316 USB interface, and supports MQA full decoding over USB. It provides both 6.35 mm single-ended and 4.4 mm balanced headphone outputs on the front, with balanced XLR line outputs and a 3.5 mm line out on the rear. The unit is aimed at compact desktop systems and combines DAC, headphone amp, and preamp functions in one chassis.
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
- Cirrus Logic CS43131
Analog Output
Analog signal output specifications
- THD
- 0.000%
- SNR
- 131 dB
- Output Voltage
- 2.0V RMS
- Max Output Voltage
- 4.0V RMS
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- SBC, AAC
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB-C, coaxial, optical, Bluetooth
- Digital Outputs
- XLR, 3.5 mm, 6.35 mm, 4.4 mm
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 70 × 73 × 165 mm (W × H × D)
- Weight
- 0.54 kg (1 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions