High output loudspeaker
High output sub-woofer
High performance microphone and manufacturing method thereof
High performance stereo sound enclosure for computer visual disp
High performance stereo sound enclosure for computer visual...
High power acoustical transducer
High power audio subwoofer
High power electroacoustic speaker system having wide band frequ
High power tweeter
High pressure low impedance electrostatic transducer
High resistivity inner shields for audio cables and circuits
High stability loudspeaker
High-fidelity and high-efficiency analog amplifier combined...
High-fidelity earpiece with adjustable frequency response
High-frequency loudspeaker module for cinema screen
High-order directional microphone diaphragm
Highly portable stereo sound system comprising mixing console-am
Hinge for a hearing aid cover
Hinge unit for headset having current-carrying means
Hinged hearing aid