A mating assurance system includes first and second microphones configured to be located in a vicinity of a mating zone for electrical connectors. The first microphone is located a first distance from the mating zone and the second microphone being located a second distance from the mating zone. The first and second microphones are configured to detect audible sound when the electrical connectors are mated. An output unit is connected to the first and second microphones and receives audio signals from the first and second microphones. The output unit processes the audio signals from the first microphone and from the second microphone for mating assurance.
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