MK 1+


  • Portable amplifier with up to 30 hours
  • THD+N: 0.001
  • Power Output: 200mW
  • Works for hard to drive IEM such as Sony Z1R or Hifiman RE2000
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The successor to the Little Dot MK I, the new Little Dot MK I+ takes advantage of American National Semiconductor’s ultra-low distortion circuit components: LME49710HA (Gold edition) or LME49720NA (Standard) high fidelity operational amplifier and the LME49600TS high performance current buffer. The new power supply consists of two 3.7V 700mA/h Lithium-Ion battery to provide up to 30 hours of high current, ultra-low distortion power to your headphones. Circuit stability and reliability over the previous Little Dot MK I has a remarkable improvement compare with its previous version.


Line Input: 3.5mm (1/8″) mini-stereo
Headphone Output: 3.5mm (1/8″) mini-stereo
Frequency Response: 5 Hz (-0.6dB) to 200KHz (-0.3db)
THD+N: 0.001 (1V @ 1000 Hz)
Suitable Headphone Impedance: 8 – 300 ohms
Input Impedance: 20K ohms
Power Output: 200mW (32 ohms)
Gain Factor: 1, 2, 4x (User Selectable)
Battery Life: up to 30 hours per charge
Battery Overcharge Protection
Universal Voltage AC Charger/Adapter included (Type B plug)

Additional information

Weight 0.3 kg
Dimensions 9.5 × 7 × 2.4 cm


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