iBasso is a Chinese brand that is known for their digital audio players (DAPS). They create their first iem in the IT03 which is followed by the IT01. Their latest iem release is the IT04. I would like to thank iBasso for providing the IT04 as a review unit. At the moment, you can purchase the IT04 from iBasso and Penon .



  • Driver Configuration: 3 Balanced Armature + 1 Dynamic
  • Frequency Response: 5Hz-40kHz
  • Sensitivity: 110+/-2dB
  • Impedance: 16Ω
  • Noise Attenuation: -30dB
  • Rated Power: 10mW
  • Distortion: <1%THD(@1kHz/1mW)

Unboxing & Accessories

The IT04 comes in a black package that has the brand name printed at the front. It has a protective cover that sports the brand name, an image of the iem and the words – “IT04 Four Driver Hybrid In-Ear Monitor”. There are specifications shown at the back of the protective cover. After opening the black package, there are the IT04, circular metal case, packs of tips, detachable MMCX cable, 2.5mm balanced to 3.5mm single ended cable adapter, warranty card and quick start guide.

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