Sennheiser IE 400 PRO In-Ear Monitor Headphones

For durable on-stage in-ears with noticeable punch, clear top-end sound and transparent mids, look no further than Sennheiser IE 400 PRO in-ear monitors.

The in-ear monitoring sound of the Sennheiser IE 400 PRO delivers a noticeable punch, clear high frequencies and transparent mid-range reproduction. Even at a high sound pressure levels, the IE 400 PRO's warm sound is free from artifacts and distortion. With the developed TrueResponse technology, the dynamic driver measuring a mere 7mm generates tremendous resolution and prevents acoustic stress, even during long periods of use. Distortion, overlapping frequencies and feedback peaks which otherwise occur frequently are no longer a problem.

The distortion factor has been optimized to a previously unimaginable 0.08%. The ultra-compact design can be adjusted to fit the individual thanks to the accompanying silicone and memory foam adapters. Easy to handle and robust, the IE 400 PRO reproduces a brilliant sound under extreme stress, and a secure and comfortable fit allows for use hours on end.


- Dynamic 7mm wideband transducer for high-resolution monitoring
- Noticeable punch with transparent mid-range reproduction and clear high frequencies
- TrueResponse driver system reduces acoustic stress factors through reproduction that is free from artifacts and distortion
- High level of wearing comfort and a secure fit thanks to an ergonomic and compact housing
- Optimized earpiece and flexible silicone and foam tips provide excellent shielding to surrounding sound sources
- Cable concept fit for stage use with innovative duct (patent application in progress)
WARNING: Cancer and Reproductive Harm -

- IE 400 PRO
- Transport case
- 3.5 to 6.3 mm jack adapter
- Cleaning tool
- Foam and silicone ear adapters
- Quick guide
- Safety guide

- Frequency response: 6 - 19,000 Hz
- Impedance: 16 ohms
- Sound pressure level (SPL): 123 dB (1 kHz / 1 Vrms)
- Total harmonic distortion (THD): < 0.08 % (1 kHz, 94 dB)
- Noise attenuation: up to 26 dB
- Magnetized field strength: 2 mT
- Temperature:
Operation: –5 °C to +50 °C (23 °F to 122 °F)
Storage: –20 °C to +70 °C (–4 °F to 158 °F)
Relative humidity < 95 %
Dimensions and Weight in Packaging
Shipping Weight: 0.75 lbs
Shipping Dimensions: 9 x 5 x 3 in
Manufacturer Part Number (MPN): 507484
Smokey Black
Shipping Weight: 0.75 lbs
Shipping Dimensions: 9 x 5 x 3 in
Manufacturer Part Number (MPN): 507483

For support or warranty questions, please contact the manufacturer:
Phone: 877-736-6434


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