Guangzhou, Guangdong-510420, China
Digital audio amplifier for Musica Tour, Opera House, Classroom, Movie Theater,Amusement Park,Broadcasting,Industrial area etc MODEL D025 D045 D065 ...Calm Audio Electronic Co. Limited
Jabra audio enhancers is a combination of analog and digital amplifiers utilizing the latest technology to provide the best possible sound quality ...Headset Era
*Using advanced PWM ( pulse width modulation ) technology, amplifier operating efficiencies is up to 95%, only about 5% output energy changed into ...Quansheng Audio Co. Limited
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