Audirect is a Chinese company that specializes in portable digital analogue converters (DACs). They started with the Whistle and released the Beam recently. I would like to thank Audirect for the review unit of Beam. At the moment, you can purchase the Beam from Penon Audio or Audirect .



  • Output Power: -114dB TND+N, 2Vrms into 600Ω / -108dB THD+N, 49mW into 32Ω
  • Frequency Response: 20-30000Hz(-0.15dB)
  • Distortion: 0.0004%
  • S/N Ratio: +125dB SNR, +120dB DNR
  • Supported Inputs: PCM 16-32bit, 32-384KHz / DoP64, DoP128, Native DSD64/128/256
  • DAC: ES9118 Sabre HiFi SoC
  • I.R.: <1Ω
  • Input Port: USB-C
  • Output Port: 3.5mm
  • Dimensions: 52x14x6mm
  • Weight: 12g

Unboxing & Accessories

The Beam comes in a white package which sports the model name and brand logo. There is a transparent film that shows the Beam. After opening the package, there are the Beam and a blue box that contains 3 cables – USB-C to USB-C OTG, USB-A to USB-C OTG and Lightning to USB-C OTG.



DAC Build & Design

The Beam has a rectangular design and it is gold in colour. At the top of the Beam, there is the input port. At the bottom of the Beam, there is the output port. On the front, there are the brand logo, signs for the button and indicator lights.




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Sound Analysis


The Beam is able to extend its sub-bass well with a moderate quantity. The sub-bass reproduction on the Beam is exciting to listen to. There is a consistent punch. The bass decay has speed and the agility enhances the engagement level. Bass texture on the Beam is rendered smoothly. Each bass note on the Beam is articulated rather accurately. There is moderate tightness. The mid-bass on the Beam has a fair amount of body and the slam is quick without a weighted feeling.


The Beam has a lively midrange and it boasts good transparency. The midrange is rendered in a manner with a high level of details retrieval. There is slight lack in the lushness. The lower mids has moderate quantity and male vocals are expressed well without any dry feeling. The upper mids has a nice boost and the forwardness accentuates the intimacy level of female vocals. It ensures a captivating listen. There is energy which contributes to the overall vibrance.


The treble is extended moderately and demonstrates a fair stretch. There is no sibilance and harshness. The crisp is good and there is slight sparkle to inject excitement into the overall sound. There is moderate brightness. Treble articulation is accurate with an acceptable amount of body. The amount of air rendered helps to create an airy feeling at the top end.


The Beam has moderate naturalness in its expansion. The width magnitude is good and the depth is closed in. It is able to provide a fairly open feeling . Positioning of vocals and instruments is rather accurate.


The Beam is a detailed sounding DAC that is able to provide a performance that combines agile bass, lively midrange and airy treble. The transparency is great and the midrange is the star of the show. In addition, its compact size gives the added convenience of bringing it around. The release of the Beam as Audirect’s latest offering comes in the form of an engaging yet portable DAC that is sure to delight many.