Sennheiser IE 40 PRO In Ear Monitor Earphones - Black

SKU: 507481


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The high expectations placed on in-ear monitoring are effortlessly satisfied by the IE 40 PRO thanks to an advanced dynamic driver system.


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The high expectations placed on in-ear monitoring are effortlessly satisfied by the IE 40 PRO thanks to an advanced dynamic driver system.

The innovative diaphragm delivers a warm sound, yet powerful and precise, even in extremely loud environments. Even at maximum sound pressure levels, the signal remains distortion-free and precisely defined.

The IE 40 PRO is a superior monitoring device for musicians and DJs that adapts to every ear - it's compact design combines a secure fit with excellent wearing comfort. It’s robust construction is designed to be suitable for the rigours of stage use from the connection to the cable duct.

The IE 40 PRO improves the way you perform by enhancing the way you hear.

Dynamic drivers of the next generation

Whereas most IEM systems use multi-driver solutions derived from hearing aids, the IE 40 PRO uses a next-generation dynamic single-driver.

As it turns out, the frequency range does not have to be split up into sections but remains harmonious as a whole. It sounds “well-rounded”, and its frequency spectrum has been considerably expanded.

There are no distortions because the special diaphragm – unlike the more rigid drive principle of the multi-way drivers – resonates easily even at maximum sound levels. Phase problems and dissonances in the inner ear are therefore also precluded.

The difference is audible, even noticeable in the entry-level model.

Small but mighty. Comfortable.

A big sound, but small enough to fit your ear: the advanced driver system brings a considerably expanded sound spectrum to the ears of musicians, sound engineers and DJ's. The design, on the other hand, has been optimised, checked against hundreds of ear shapes, and redesigned.

The result is flat, sits securely and does not ‘carry any weight,’ even during lengthy sessions.

Reinvented down to the last detail

Without monitoring sound, there is no performance.

The IE 40 PRO is designed to provide the necessary reliability. To this end we have even reinvented stage-compatible cabling – the internal cable duct is a unique feature.

In short: the new system meets high expectations and withstands high stresses.


  • Innovative, dynamic 10 mm broadband transducer for powerful, precise monitoring
  • Dynamic driver system reduces acoustic stress factors through homogeneous, distortion-free reproduction
  • Secure fit and high level of wearing comfort; Innovative single driver design enables a slim and ergonomic construction
  • Excellent shielding thanks to optimised earpiece and flexible silicone and foam tips
  • Cable with innovative internal cable duct, fit for stage use


  • Impedance: 20 Ohms
  • Frequency response: 20 - 18,000 Hz
  • Sound pressure level (SPL): 115 dB (1kHz / 1 Vrms)
  • THD, total harmonic distortion: < 0.1 % (1 kHz, 94 dB)
  • Cable length: 1.3 m (4.3 feet)
  • Transducer principle: Dynamic
  • Weight: 18 g (0.6 oz)
  • Attenuation: < 26 dB

What's in the Box?

  • 1 x IE 40 Pro
  • 3 x Silicone Adaptor (S, M, L)
  • 1 x Foam Adaptor (M)
  • 1 x Soft pouch
  • 1 x Cleaning tool

For more information, Click Here to visit the Manufacturer's Website


SKU 507481
Barcode # 615104304574
Brand Sennheiser
Unit Of Measure ea

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