Radsone Earstudio ES100 Bluetooth DAC/Amp

Radsone Earstudio ES100 Bluetooth DAC/Amp

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Product Description
About a third of the size of a credit card, the Radsone Earstudio ES100 Bluetooth DAC/amp is especially handy if you’re using an Apple or Android phone without a headphone jack. 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


  • Radsone
  • DACs: 2x AK4375a
  • Output Power: (3.5mm Unbalanced) 1.1Vp at 16 ohm; (2.5mm Balanced) 2.2 Vp at 16 ohm
  • SNR (1KHz, 20KHz AES17): (3.5mm Unbalanced) 109dB (+2.8dBu); (2.5mm Balanced) 110dB (+8.8 dBu)
  • THD+N (1KHz, 20KHz AES17): (3.5mm Unbalanced) 0.0022%; (2.5mm Balanced) 0.0014%
  • Output Impedance: 0.5–1 ohm
  • Codecs: LDAC, aptX-HD, AAC, aptX, SBC
  • Inputs: USB Audio Class 1.0 (48KHz / 16-bit, 24bit for macOS), 3.5mm output to car AUX
  • Connection: Bluetooth 5.0
  • Bluetooth Range: 32 ft (10 m)
  • battery capacity: 350mAh
  • Playback time: 14 Hours


  • User manual
  • USB cable


Estimated ship date is Nov 13, 2019 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.