Motorcycle stereo audio system with VOX intercom

Motorcycle stereo audio system with vox intercom

Multi-accessory vehicle audio system, switch and method

Multi-speaker system for use in automobiles

On-vehicle audio system reproducing bodily-sensible sounds

On-vehicle sound control apparatus

Operating device of an electronic equipment mounted on a motor v

Overhead vehicular loud speaker cabinet

Passenger compartment noise attenuation apparatus for use in a m

Passenger vehicles incorporating loudspeakers comprising...

Passive vehicle classification using low frequency electro-magne

Pattern detection circuitry

Personal audio recorder in a vehicular entertainment sound...

Piezo integrated flat speakers for automotive interior panels

Piezo speaker for improved passenger cabin audio systems

Piezo speaker for improved passenger cabin audio systems

Portable sound system

Portable speaker and amplifier unit

Process and circuitry for the supplying of loudspeakers and othe

Process and device for compensating for signal loss