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Headphone amplifier-47

Mini headphone amplifier kit model 47.

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$12.00

Availability: In stock

18 items in stock

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This is a constructed mini headphone amplifier kit, you only need two 9v batteries and the case.

Small size but power enough to drive the headphone with impedance up to 300ohm. Better base and ultra low noise. 

  • Gain : x3
  • Headphone : 3.5mm stereo
  • Working Current : ~20mA
  • Op Amp : OPA2604AU x2
  • Size : 3cm x 5cm
  • Supply voltage : +-3V to +-15V