Bar code activated speech synthesizer teaching device
Base plate with electronic module
Bass amplifier with high frequency response
Bass clipping circuit
Bass compensation circuit for use in sound reproduction device
Bass compensation device and a sound system using the device
Bass drum speaker
Bass enhancement for audio
Bass enhancing device for a speaker system
Bass intensification device for speaker system
Bass management system for home theater equipment
Bass reflex type speaker device, mounting structure and...
Bass reflex type speaker system
Bass reflex type speaker system duct having multiple sound paths
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