Bass reproduction speaker apparatus

Bass reproduction speaker apparatus

Bass speaker

Bass-reflex loudspeaker system

Battery and circuitry assembly

Battery case structure of microphone of loudspeaker system

Battery charging jobsite lunchbox

Battery compartment for a hearing aid

Battery door and faceplate arrangement for a completely in the c

Battery enclosure for canal hearing devices

Battery pack with audio coil

Battery power supply circuit which supplies correct power polari

Battery receiving chamber and hearing aid

Batteryless power supply for transducers

Beamed linear array microphone system

Beamforming microphone system

Bearing of an electroacoustic miniature transducer in a...

Behind the ear communication device

Behind the ear hearing aid part with exchangeable cover

Behind the ear hearing aid system