hiliDAC Audirect Beam 2 MQA DAC (Digital-to-Analog Converter)

The hiliDAC Beam 2 comes with the ESS9281C Pro chip along with 3.5 mm single-ended and 2.5 mm balanced headphone output ports. It supports audio output PCM encoding 32 bit / 384 kHz, DSD encoded audio, and decodes 64/128 (DOP). It also supports MQA and the lighting on its body changes color to denote what music format is being decoded: Red is for SD audio, Blue is for HD master audio, and Rose Red is for MQA master audio. Finally, Apos Audio also found that Beam 2 left and right channels have independent op amps and it further comes with a high-thrust circuit design.


  • Single-ended output power: ≥ 180mW (at 16 ohms), ≥ 110mW (at 32 ohms), ≥ 6.6mW (at 600 ohms)
  • Balanced output power: ≥ 145mW (at 16 ohms), ≥ 240mW (at 32 ohms), ≥ 26.6mW (at 600 ohms)
  • Frequency response range: 20 Hz – 40 kHz (-0.04dB)
  • THD + N: 0.0003%
  • DAC chip: ESS9281C Pro
  • Maximum Supported Sampling Rate: PCM / DXD (up to 32-bit, 384 kHz)
  • Support DSD specification: up to DSD128 (DOP)
  • Internal Resistance: < 1 ohm
  • Signal to Noise Ratio: ≥ 118dB SNR
  • Op Amp: Independent dual op amp chip
  • MQA Decoding + Rendering: Full MQA decoder, supporting full decoding of original MQA files
  • Input interface: USB C
  • Output ports: 3.5 mm, 2.5 mm
  • Size: 49 x 15 x 6.8 mm


  • USB-C to USB-C short cable
  • Lightning to USB-C short cable
  • USB-C short data cable

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