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Optoacoustics OptoACTIVE -Â Model III - Noise Reduction Headphones for MRI Environments
Modified ANC removes a total >40 dB of main harmonics of MRI noise, achieving >30 dB of noise suppression. Integrated inflatable MultiPAD. Two audio drivers for high audio fidelity. Improved noise reduction algorithm for FOMRI microphone. Latest OptiMRI 3.6 software, bundled with OptoACTIVE for wider frequency range support (up to 44.1 kHz, 16 bit) with very low latency of FOMRI recordings. Fits any head size. Minimum rigid connection between headphones and coil enables minimal noise and vibration transmission to the headphones and skull. Inflatable pads allow for exact positioning. Subject can control pressure of inflatable pads.
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With or Without Head Band
- The headphones are suitable for use with large head coils (with 8/12/20 channels) and with small heads
- Detachable frame and headband
- Detachable inflatable pads and cloth cover (for replacement after 12 months)
As thin as your mobile phone
- Thinnest headphones available
- 0.4 inches total thickness
- 20 dB of passive attenuation
- Designed for slim head coils (32/64 channel head coils, Nova medical coils)
- Detachable cushioning (for replacement every 6 months)
Integrated inflatable MultiPAD ensures:
- Maximum space available inside the slim coils for any sized head
- Minimum rigid connection between headphones and coil (minimizing noise can vibration)
- Full control over head fixation position
- Full control by subject for comfort