Audible and audible-visible alarms with interchangeable cover

Audible anti-theft tag

Audible audio level indicator

Audible circuit tracer

Audible combination light socket-adapter

Audible content with training information

Audible fire alarm apparatus

Audible floor mat

Audible low-fuel alarm for propane fuel tank

Audible relay emulator

Audible safety warning system

Audible tag for magnetic electronic article surveillance systems

Audible warning device with restrainable, shock-activated cocked

Audio alerts in physical environments

Audio apparatus

Audio apparatus and monitoring method using the same

Audio apparatus and monitoring method using the same

Audio cone module

Audio coordinated visual indicator

Audio coupled annunciating system for electrical panel boxes