TRASAM HA2-PRO OPA1688A OPA2140A 16-600ohm Audiophile HiFi Portable headphone Amplifier  


Almost desktop amplifier 20V voltage amplification

  • ± 10V master power supply, Using positive and negative power supply, Up to 20V voltage, Can be comparable with the desktop amp voltage, Easy to drive big sound field and varies earphones.

Multi-core op amp in parallel to drive

  • Multi-op amp mode, Sound quality is guaranteed
  • Use of power, parallel driving doubled, Sound field is wide, and Details are rich and clear

Current amplification OPA1688A

  • New TI High Current IC OPA1688A, New Filtered Electromagnetic Interference (EMI)
  • New Filtered Radio Frequency Interference (RFI), Output current 75mA,it Is 260 times that of 2604,Sound features full of magnetic .

Voltage amplification OPA2140A

  • The new OPA2140A,Ti new generation of high precision op amp
  • Sound quality features sweet but not greasy, soft and brave, Better than muses02


  • Audio input and output port: 3.5mm stereo interface
  • Battery charging interface: Micro USB interface
  • Charging current: 1A
  • Lithium battery capacity: 2400mAH
  • Playback time : more than 16 hours
  • Amp internal voltage:± 10V
  • SR:> 110dB
  • Distortion (THD + N) :0.0003%
  • Output power: 250mw
  • High and low impedance selection switch
  • Headphone relay protection circuit
  • Low battery indication circuit
  • Suitable for 16-600Ω headphones
  • Size: 105 * 60 * 14mm ( L. W. H)
  • Gross Weight: 250g


  • USB cable

Write a review

Note: HTML is not translated!
    Bad           Good

Free Shipping

This product qualifies for free aimail shipping to worldwide with tracking number.

It will be shipped via Hong Kong Post by defaut , Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE , pls leave us a message if needed .

  • Views: 10305
  • Brand: TRASAM
  • Product Code: HA2-PRO
  • Availability: In Stock
  • $99.00