New available: Audirect Beam 4 DAC Headphone Amplifier ESS9281 AC PRO 3.5mm + 4.4mm

Audirect Beam 4 is the latest flagship product from Audirect, available on May 13, 2023. The all-new Audirect Beam 4 high-end portable USB DAC/AMP. Equipped with a high-performance ES9281AC Pro DAC chipset from ESS Sabre Technologies, the Beam 4 promises high-quality performance. It supports decoding for all-leading audio signals supporting 32-Bit/768kHz PCM and native DSD512 audio signals. Beam 4 enhanced your portable music experience with its solid performance!!



  • Premium ES9281AC Pro Independent Decoding Chipset.
  • Supports high-resolution audio signal decoding.
  • 32-Bit/768kHz PCM & Native DSD512 Audio Signals Supported.
  • Apple Lossless Support.
  • Self-Developed Battery Compensation & Power Management Control System.
  • Rich, Balanced Sound Profile.
  • 3.5mm+4.4mm Dual Headphone Outputs.
  • Three-Level Adjustable Gain.
  • Multi-Color LED Indicator Light.
  • Lightweight Design.
  • Three Femtosecond-Level Crystal Oscillators.

Premium ESS Sabre Decoding Chipset:ESS9281ACPRO

In order to deliver top-quality audio performance, Audirect has equipped the Audirect Beam 4 with a high-performance DAC chipset from ESS Sabre Technologies. The device houses ES9281AC Pro DAC. It is a 32-Bit DAC chipset that supports decoding for advanced 32-Bit/768kHz PCM and native DSD512 audio signals.

Self-Developed Battery Compensation and Power Management System:

Audirect Beam 4 houses a large 1200mAh battery. It ensures a stable power supply to the internal circuitry including the decoder host, headphone output part, etc. Stable Power Supply greatly enhances the sound experience of the user.

Precisely Balanced Tuning:

Audirect Beam 4 has been professionally adjusted to deliver a properly Balanced three-frequency response with the connected earphones. The full frequency band has a certain thickness with amazing density, overall delivering a balanced, clear-sounding DAC/AMP.

3.5mm Single-Ended+4.4mm Balanced Output Options:

Audirect Beam 4 fits different use scenarios with its dual headphone output ports. The Beam 4 features 3.5mm single-ended and 4.4mm balanced headphone output ports. It meets the various needs and requirements of the users. With a three-level gain mode, the Beam 4 is a perfect match for both sensitive as well as high-power requiring earphones.

Multi-Color LED Indicator Light:

Audirect Beam 4 features a multicolor indicator-led light that glows in different colors based on the active file bitrate. It glows in red for simple PCM up to 48kHz bitrate, Blue for 384kHz PCM bitrate, Yellow for denoting DoP at work, and White shows native DSD decoding. There’s also a battery indicator light this light starts flashing red when the battery is too low.

New available: Audirect Beam 4 DAC Headphone Amplifier ESS9281 AC PRO 3.5mm + 4.4mm
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