Oriolus BA-10 OAK Review – A first attempt, done right

Oriolus BA-10 OAK Official Product Details

BA-10 is a full balanced portable vacuum tube amplifier.  Double vacuum tube inside give you the true full balanced input and output for enjoy the most gorgeous sound that we ever made before. Special design let the noise almost can not be heard.  The powerful output can support most of the open ear headphones in the world.


  • Full balanced analog input and output (Hirose 6pin mini XLR input, 2.5mm AK type output).
  • Dual channel vacuum tube * 2 inside make the powerful and beautiful sound.
  • High sound quality filter capacitors used in BA-10 reduce the noise to a very low level.

Technical Specifications

THD+N                              0.05%
S/N ratio                            118dB
Maximum power output    250mW+250mW(32Ω)
power                                 lithium polymer battery
play time                            around 7hr
Impedance                         8-300Ω
Size&Weight                     W74*H26*D135mm 350g
Accessories                       AC adapter, silicon strap

Product Details

As you can tell the guys at earphonia.com were impressed with this amplifier and are looking forward to covering other products from the Oriolus range in future

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