Sensor mount and circumaural headset or headphones with adjustable sensor

A headset comprising:

• a band;
• first and second circumaural earcup assemblies connected to the band, each earcup assembly comprising an earcup and a cushion;
• an adjustable sensor mount configured to be secured to at least one of the cushions and comprising a base configured for sliding engagement with the cushion and a sensor holder secured to the base and configured to receive the sensor, wherein the sensor holder comprises a support arm having a first end configured to translate in a first direction relative to the base, and a second end configured to receive a housing adapted to secure the sensor in the housing, wherein the second end of the support arm is configured to engage an inner support adapted to slide within the second end and provide translation of the housing in a direction generally orthogonal to translation of the first end relative to the base;
• a sensor secured to the adjustable sensor mount;
• a speaker mounted in at least one of the earcups;
• a microphone;
• and
• a controller in communication with the sensor, the speaker, and the microphone.