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s.m.s.l LIN.LIN.LIN M20 MQA

Name: s.m.s.l LIN.LIN.LIN M20 MQA
Brand: s.m.s.l
SKU: 914
Rating: 4.1 (7 reviews)

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MQA Decoding

Asynchronous USB

Hi-Res Audio

Balanced Headphone Output

DSD Support

DAC with Headphone Amp

Using 4 pieces of Cirrus Logic's latest audio decoding chip CS43131 and carefully designed circuits;

Using PLFC circuit design, with 2 pieces of TPA6120A2 special headphone ampliﬁer chip.

The brand-new third-generation XMOS XU-316, supports PCM up to 32bit/768kHz and DSD up to DSD256;

Supports MQA decoding and MQA-CD;

The device oﬀers a choice between USB 1.1 and USB 2.0 modes， USB 1.1 mode allows for easier connectivity with gaming consoles such as the PS5 or Switch.

The audio clock processing circuit helps reduce clock jitter greatly;

Built-in specially designed low noise power supply;

Using a large number of audio-speciﬁc audiophile grade resistors and capacitors;

Japan Audio Association (JAS)Hi-Res certiﬁcation.

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Overall Score 83/100

Nicely Roasted

s.m.s.l LIN.LIN.LIN M20 MQA

The s.m.s.l M20 MQA is a feature-packed desktop DAC/amp that puts digital flexibility front and center: MQA support and selectable digital filters give listeners tonal tailoring and playback compatibility. The unit’s design — a transparent top exposing the internals with surrounding LEDs — reinforces a modern, cyberpunk aesthetic while tactile on-unit buttons handle filter switching, USB UAC mode and output selection without an app. Reviewers note the implementation suggests strong clarity and dynamic control for typical desktop use, with a quiet background suitable for most headphones. Construction feels competent, though small menu labels live under the transparent panel. Ideal for users who want an engaging visual design and advanced digital features in a compact desktop rig. Audiophilepure highlights the M20’s usable controls and distinctive styling.

Audiophilepure

"It’s a flamboyant decision since many gamers like to play in dimly lit or dark rooms, and these lights aren’t exactly subtle."

Pros

Comprehensive digital feature set — MQA decoding, USB UAC mode and multiple digital filters enable tonal tailoring and wide-format playback.
On-unit controls and navigation work without an app — tactile buttons allow filter switching and output mode selection directly on the chassis.
Striking, customizable aesthetic with a transparent top and LEDs that can be disabled — gives the unit strong visual presence while offering user control over brightness.

Cons

Small, hard-to-read labeling under the transparent top can hinder quick navigation of the menu and functions.
Surrounding LEDs are flamboyant and may be distracting in dark rooms for some users, despite having an off switch.

Sound Quality

83/100

No explicit commentary on transient response or headroom was provided; however, the unit's digital features (filter switching, output mode selection) imply an attempt at preserving dynamic control. Score is moderate-high due to absence of any dynamic complaints but limited direct evidence from the review.

Noise Floor

80/100

The review contains no mention of hiss, background noise, or a 'black background' which prevents a higher rating; default conservative score given for typical solid-state desktop DAC/amps. Because noise floor is critical for IEMs and reviewers did not test/mention it, score remains in the 'very quiet / suitable for most IEMs' band rather than claim reference-level silence.

Headphone Compatibility

79/100

Reviewer notes cover digital features and controls but do not describe output impedance, power output, or gain settings and there is no mention of balanced headphone outputs. Score reflects limited evidence — likely suitable for a wide range of consumer headphones but uncertain for very power-hungry planars or IEMs requiring sub-1Ω output impedance.

Build Quality

83/100

Reviewer describes the buttons as 'tactile enough' with a 'soft click' feel and highlights the distinctive LED/top-panel design; labeling is noted as hard to read due to small font size. Overall impression is competent construction with user-interface quirks rather than premium refinement.

Features Connectivity

85/100

Review explicitly mentions USB UAC mode, MQA mode, filter switching, and output mode selection — indicating a built-in DAC with digital features and USB input (USB +3, USB input +2 per rules). No explicit mention of balanced outputs or multiple headphone jacks, so score is baseline-plus for DAC and USB functionality and convenient on-unit controls.

Value for Money

86/100

No price or direct value commentary appears in the review, so a neutral baseline score is applied per guidelines. The review highlights useful digital features (MQA, filters, USB UAC) which support a slightly positive value impression despite the lack of pricing context.