Sub woofer system

Switched microphone buffer

System consisting of a microphone and a preamplifier

System for distributing a signal between loudspeaker drivers

Transducer mounting assembly

Two-wire interface for digital microphones

Ultra directional speaker system and signal processing...

Universal impedance matcher for a microphone-to-radio...

Vibrostimulative device

Voltage biased capacitor circuit for a loudspeaker

Voltage supply circuit and microphone unit

Voltage supply circuit and microphone unit comprising the same

Voltage supply circuit, power supply circuit, microphone...

Waterproof microphone and speaker

Wide passband omnidirectional loudspeaker

Woofer having ornamental flashing lights