SMSL M20 Portable USB DAC & Headphone Amplifier Dual USB DAC CS43131*4 TPA6120A2*2 Chip Input 3.5mm 4.4mm Headphone Amplifier
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Specifications
- Brand Name
- CrestAmpli
- PCM Sampling Frequencies
- 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz, 705.6 kHz, 768 kHz
- PCM Word Length
- 16-bit, 24-bit, 32-bit
- Inputs
- USB Type-B
- Material
- Metal
- High-concerned chemical
- None
- Origin
- Mainland China
- Outputs
- RCA
- Type
- Portable
- DSD Sampling Frequencies
- 2.8224 MHz (DSD64), 5.6448 MHz (DSD128), 11.2896 MHz (DSD256)
- Model Number
- SMSL M20
- Input
- USB
- Output
- 3.5mm line/3.5mm headphone/4.4mm headphone
- Output level
- 3.5mm HP OUT: 2.5 Vrms,4.4mm HP OUT: 5 Vrms,LINE OUT:2.5 Vrms
- Output impedance
- LINE OUT: 22Ω,HP OUT: Near 0Ω
- Headphone output power
- 16Ω: 700mW,32Ω: 700mW,64Ω: 350mW,150Ω: 160mW,300Ω: 80mW,600Ω: 40mW
- THD+N (non-Weighting)
- 0.0001% (-115dB)
- Dynamic range
- LINE OUT: 119dB,3.5mm HP OUT: 119dB,4.4mm HP OUT: 124dB
- SNR
- LINE OUT: 119dB,3.5mm HP OUT: 119dB,4.4mm HP OUT: 124dB
- USB transmission
- Asynchronization
- USB compatibility
- Windows 7/8/8.1/10/11, Android, iOS, Mac OSX 10.6 or Later, Linux
- Bit Depth
- 1bit, 16-32bit
- Sampling rate
- PCM: 44.1-768kHz DSD: 2.8224-11.2896MHz
- Power Consumption
- <15W
- Standby power
- <0.5W
Product Description
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SMSL M20: Precision Audio for Gamers
● The SMSL M20 combines audiophile-grade performance with gaming functionality.
● Featuring 4 Cirrus Logic CS43131 decoding chips, it delivers exceptional sound quality with ultra-low distortion (0.00017%) and supports Hi-Res Audio, MQA, and PCM 768kHz/32bit.
● Equipped withXMOS XU-316 USB processing and dual headphone outputs (3.5mm & 4.4mm), it elevates your audio experience for immersive gaming and music.
● The SMSL M20 delivers exceptional audio performance with 4x Cirrus Logic CS43131 and XMOS XU-316 decoding chips, supporting PCM up to 32bit/768kHz and DSD256.
● Powered by dual TPA6120A2 headphone amplifier chips, it offers 700mW high-power output via 3.5mm and 4.4mm jacks. Features include MQA full decoding, 5 PCM filter modes, portable design, and cool lighting for an immersive experience.
● The SMSL M20 features 4x Cirrus Logic CS43131 decoding chips for exceptional audio performance and low power consumption.
● The XMOS XU-316 supports PCM up to 32bit/768kHz and DSD256, while dual TPA6120A2 amplifier chips with PLFC circuit design deliver powerful audio output. Ideal for high-fidelity sound and versatile headphone compatibility.
● The M20 features 3.5mm line output and dual headphone jacks (3.5mm & 4.4mm) for versatile connectivity.
● It supports HiFi MQA decoding, delivering immersive sound quality for an enhanced audio experience.
● The M20 features 5 PCM filter modes, offering adjustable sound experiences for different scenarios:
F1: Fast, low latency filter.
F2: Fast, phase compensated filter.
F3: Slow, low latency filter.
F4: Slow, phase compensated filter.
F5: Non-oversampling mode.
These modes provide flexibility in sound customization.
● The M20 supports full MQA decoding and MQA-CD, compatible with USB 1.1 and USB 2.0.
● It easily connects to gaming consoles like PS5 and Switch, as well as various operating system devices, making it versatile for multiple scenarios.
Pros & Cons
Pros
- Exceptional audio quality with 4x CS43131 DAC chips, THD+N 0.0001%, dynamic range up to 124dB
- Powerful headphone amplification up to 700mW for high-impedance headphones
- Wide compatibility including PCM up to 768kHz and DSD256, supports multiple OS
- Portable metal build with low power consumption under 15W
Cons
- Requires USB power source, no built-in battery for true wireless portability
- Output impedance near 0Ω on HP but 22Ω on line out may affect some setups
- Origin Mainland China may lead to longer shipping times
- No RCA output mentioned in some specs despite listing
Common Questions
What material is the SMSL M20 made of?
The SMSL M20 is constructed from metal for durability and premium feel.
What are the size dimensions of the SMSL M20 portable DAC?
The SMSL M20 is a compact portable design, though exact dimensions are not specified; it's optimized for portability with USB Type-B input.
Is the SMSL M20 compatible with Android, iOS, and Windows devices?
Yes, it supports USB asynchronization with Windows 7/8/8.1/10/11, Android, iOS, Mac OSX 10.6 or later, and Linux.
What headphone outputs does the SMSL M20 support, and what is the power output?
It features 3.5mm headphone/line out (2.5 Vrms), 4.4mm headphone out (5 Vrms), with headphone power up to 700mW at 16Ω and 32Ω.
How long does shipping take for the SMSL M20 from Mainland China?
Shipping from Mainland China typically takes 7-20 business days depending on the method; check seller for exact times and tracking.
Product information last updated on November 26, 2025