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Figure 3: Frequency response of the headsets measured on an acoustic manikin. The input is a pink noise electrical signal. The output from each device is scaled to an in-ear manikin level of 90 dBA for comparison purposes

Figure 3: Frequency response of the headsets measured on an acoustic manikin. The input is a pink noise electrical signal. The output from each device is scaled to an in-ear manikin level of 90 dBA for comparison purposes