SMSL RAW-MDA1: High-quality DAC and headphone amplifier


The new SMSL RAW-MDA1 is a high-quality DAC and headphone amplifier with two ESS ES9039Q2M chips, MQA and MQA-CD support, and Qualcomm Bluetooth with aptX HD and LDAC. It provides exceptional sound quality and versatility, suitable for a variety of audio sources and playback scenarios.


Main characteristics:

  • Two ESS ES9039Q2M DACs
  • MQA and MQA-CD support
  • Qualcomm Bluetooth 5.1 with LDAC, aptX HD, SBC and AAC
  • Special audio signal processing circuit
  • High quality operational amplifier OPA1612A
  • USB interface XMOS XU-316
  • Inputs: USB, optical, coaxial and Bluetooth
  • Outputs: RCA, XLR and headphones
  • Tempered glass color display


Full MQA decoding
RAW-MDA1 supports full MQA decoding, delivering high-quality studio-like audio reproduction. MQA-CD support makes it ideal for your CD player with digital output.

Two ESS ES9039Q2M DACs
With two of the latest ESS ES9039Q2M DACs, the RAW-MDA1 delivers 132dB dynamic range (XLR) and 0.00005% THD+N.


Bluetooth from Qualcomm
Supports LDAC, aptX HD, SBC and AAC for high-quality wireless audio.

Two USB modes
USB 2.0 supports up to 768 kHz/32-bit PCM and DSD512 with driver installation, and USB 1.1 supports up to 96 kHz/16-bit PCM without drivers.

Independent Headphone Amplifier
Equipped with its own amplification circuit, the RAW-MDA1 provides a powerful output that can handle a wide range of headphones with up to 2.5W x 2 at 16 ohms.

Technical characteristics of SMSL RAW-MDA1:

  • THD+N: 0.00005% (-124.5 dB without weighting)
  • Line Out Amplitude: XLR 5.2V RMS, RCA 2.5V RMS, Headphone 8.2V RMS
  • Headphone output power: 2.5 W x 2 at 16 ohms, 1.7 W x 2 at 32 ohms
  • Output impedance: Line output 100 ohms, headphones almost 0 ohms
  • Dynamic Range: XLR 132 dB, RCA 127 dB, Headphones 122 dB
  • Signal-to-noise ratio: XLR 132 dB, RCA 127 dB, headphones 122 dB
  • Asynchronous transfer via USB
  • USB Compatibility: Windows 7/8/8.1/10/11, Mac OSX 10.6 and above, Linux
  • MQA Decoder: USB/Optical/Coaxial
  • Sampling rate and depth: USB PCM 44.1768 kHz (32 bit), DSD 2.822422.5792 MHz (1 bit), DoP 256; optical/coaxial PCM 44.1~192 kHz (24 bit), DoP 64
  • Bluetooth specification: 5.1 (support SBC, aptX, aptX HD, LDAC)
  • Power consumption: 30 W
  • Standby consumption: 0.3 W
  • Dimensions: 189 x 45 x 179 mm
  • Weight: 1.02 kg


SOULNOTE E-3: Phono stage for DS Audio optical cartridges

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