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Radsone Earstudio ES100 MK2 DAC/Amp

Radsone Earstudio ES100 MK2 DAC/Amp

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Product Description
Pocket-sized and engineered for performance, the second-generation Radsone Earstudio ES100 MK2 Bluetooth DAC/amp delivers impressive digital-to-audio conversion for Bluetooth devices. It's built with two high-quality AK4375a DACs and has both a 3.5-millimeter unbalanced output and a 2.5-millimeter balanced output Read More


Earstudio ES100 MK2 DAC/Amp

  • Radsone
  • DACs: AK4375a (2)
  • Output power: 1.1Vp at 16 ohms (3.5 mm unbalanced); 2.2 Vp at 16 ohms (2.5 mm balanced)
  • Output Impedance: 0.5–1 ohm
  • SNR (1KHz, 20KHz AES17): 109 dB (+2.8 dBu, 3.5 mm unbalanced); 110 dB (+8.8 dBu, 2.5 mm balanced)
  • THD+N (1KHz, 20KHz AES17): 0.0022% (3.5 mm unbalanced); 0.0014% (2.5 mm balanced)
  • Connection: Bluetooth 5.0
  • Codecs: LDAC, aptX-HD, AAC, aptX, SBC
  • Bluetooth Range: 32 ft (10 m)
  • Battery Capacity: 350mAh
  • Playback time: 14 hours


  • Type: Canal, in-ear
  • Driver type: Single Hi-Res dynamic driver
  • Sensitivity: 103 dB/mW
  • Frequency response: 10–40,000 Hz
  • Impedance: 27 ohms
  • 3.9 ft (1.2 m) cable with inline microphone
  • Weight: 0.6 oz (18.1 g)


Earstudio ES100 MK2 DAC/Amp

  • User manual
  • USB cable


  • 3 eartips (small, medium, large)
  • Cable clip
  • Carrying pouch


Estimated ship date is Sep 15, 2021 PT.

Payment will be collected at checkout. After this product run ends, orders will be submitted to the vendor up front, making all orders final.

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