Sennheiser is a German company that specializes in a wide range of audio products from in-ear monitors (IEMs) to speakers. In this review, I will be reviewing the IE 40 Pro. I would like to thank Sennheiser for the review unit of the IE 40 Pro. At the moment, you can purchase the IE 40 Pro from Sennheiser .

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  • Driver Configuration: 10mm Dynamic
  • Impedance: 20 Ohm
  • Frequency Response: 20 – 18,000 Hz
  • Sound Pressure Level: 115 dB (1kHz / 1 Vrms)
  • THD, total harmonic distortion: < 0.1 % (1kHz, 94dB)

Unboxing & Accessories

The IE 40 Pro comes in a package that sports image of the iem, brand name and model name. After opening the package, there are the IE40 Pro, 3 pairs of silicone tips (S, M, L), 1 pair of foam tips (M), soft pouch, cleaning tool and instruction manual.



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