Patent ID: 8270623

Claim:
A testing device for testing the operability of an audio speaker, the testing device comprising a housing, a unidirectional microphone and a display wherein: the housing comprises a planar top, a planar underside, and an isolation member, wherein the underside of the housing comprises a recessed area and the isolation member comprises a raised rib extending from the planar underside of the housing; the unidirectional microphone is located on the planar underside of the housing and positioned in the recessed area with the raised rib extending circumferentially around and directly adjacent to the unidirectional microphone such that, when the testing device is placed proximate the audio speaker with the underside of the testing device facing the audio speaker, the unidirectional microphone is recessed from the planar underside of the housing and oriented towards the audio speaker; the display is positioned on the housing such that the display is visible when the testing device is placed proximate the audio speaker with the planar underside of the housing facing the audio speaker; and the display comprises at least one visual indicator and is operatively coupled to the unidirectional microphone such that, when the unidirectional microphone is receiving an acoustic signal, the at least one visual indicator is activated.