DAC Comparison

SMSL M400 vs Cyrus soundKey

SMSL M400

The SMSL M400 MQA DAC uses the newest high performing D/A chip from AKM, the AK4499. It supports MQA decoding, PCM 32bit / 768 kHz, and DSD512 Native along with Bluetooth 5.0.

$859.99 MSRP

Cyrus soundKey

soundKey is an award-winning revolution in mobile music. Hi-Fi streaming services like TIDAL mean fantastic quality is available to subscribers, but phones lack the necessary hardware to get the best from this data. soundKey unlocks that data, using our years of expertise in high-resolution DAC and amplifier design. Cyrus quality audio is now available to everyone.

$99.00 MSRP
Features
Physical Dimensions
Mass

19 gram

Input/Output
Inputs

Coaxial S/PDIF

IIS

TOSLINK S/PDIF

USB-B

Micro USB

Outputs

Balanced 3-pin XLR

RCA

3.5mm

Audio
Sample Rate

32 bit / 768 kHz

24 bit / 96 kHz

DAC Chip

AKM AK4499EQ

Portability
Wireless

Bluetooth 5.0

Reviews

Recommended

5/5

What Hi-Fi? Awards 2020 winner.

Mixed

I see it a step up from $9 dongles but the $99 price is hard to swallow.

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