Portable earphone amplifier with display screen

The utility model relates to the field of communication equipment and radio amplifiers, in particular to a portable earphone amplifier with a display screen, comprising an amplifier body, an audio frequency input seat and an audio frequency output set both arranged on the amplifier body; also compri...

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Bibliographic Details
Main Author CHEN JUNNA
Format Patent
LanguageChinese
English
Published 06.02.2013
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:The utility model relates to the field of communication equipment and radio amplifiers, in particular to a portable earphone amplifier with a display screen, comprising an amplifier body, an audio frequency input seat and an audio frequency output set both arranged on the amplifier body; also comprising a sound adjusting knob and a sound adjusting potentiometer, wherein the sound adjusting potentiometer is arranged inside the amplifier body, the sound adjusting knob is arranged on the adjusting shaft of the sound adjusting potentiometer, the corner of the amplifier body is provided with a groove, the sound adjusting knob is arranged inside the groove, the central axis of the sound adjusting knob is non parallel or not vertical to the transverse shaft of the amplifier body. The portable earphone amplifier has the beneficial effects that the amplifier is small in size and more convenient in carrying, can uneasily be touched or abraded accidentally in the process of use, can excellently protect the tuned volume
Bibliography:Application Number: CN20122462596U