Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
Inventor
active
Circumaural ear cup audio seal for use in connection with a head
High-performance electric power cable and connector system
In-ear-canal audio receiver and stethoscope having the same
Modular auscultation sensor and telemetry system
Noise barrier apparatus having acoustic wave damping cushions
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