High Quality Constant Voltage Amplifier Public Address System

Features: The CA series is a set of constant voltage power amplifiers with different functions and powers. CA4601 is an integrated type with USB and SD card, which can automatically play MP3 tracks at startup, FM radio, two-way MIC input, one-way AUX line input, total volume control, MIC input is superior to all input; The other models are pure post-stage constant voltage power amplifiers, are respectively set with constant impedance and constant voltage output terminals, with perfect protection circuit of overvoltage, overcurrent, short circuit, midpoint drift, easy to use and maintenance. Specifications: MODELCA4601CA660CA1000CA1500Input ImpedanceAUX:10 kΩLINE(BALANCE):20KΩ   MIC:600ΩNGNGNGInput VoltageAUX:1VLINE:0.775V/1KHz SIN   MIC:1.8mVNGNGNGLine Output Impedance600Ω600Ω600Ω600ΩOutput Voltage 70V-100V70V/100V/120V70V/100V/120V70V/100V/120VMP3 Format 22k-128kNGNGNGFm Frequency 88.0MHz-108.0MHzNGNGNGFm Antenna Spec.75ΩNGNGNGOutput Power460W660W/4Ω1000W/4Ω1500W/4ΩFrequency Response 40Hz-20kHz60Hz-20KHz60Hz-20KHz60Hz-20KHzS/N Ratio≥78dB≥75dB≥75dB≥75dBNonlinear Distortion1% 1kHz0.25% 1KHz/10V CONSTANT IMPDANCE OUTPUT  Power Input AC200V 50-60HzAC220V 50-60HzAC220V 50-60HzAC220V 50-60HzDimensions (WxDxH)483x450x90485x320x90485x455x132485x455x132Net Weight19kg19KG23.5KG27.5KG Main Product  Introduction: 1.Line Array System:  LA series, MLA series 2. Monitor System : MR series 3. PA two-way loudspeaker system: U series,QS series, FT series 4. Multi-purpose MINI System: MINI series 5. Column system: K series 6. Plastic system: CX series 7. Long through system: LT series 8. Karaoke sytem: IW series, PR series and KW series 9. Active Series: KS and U Active series 10. Electronice products: amplifier and processor Factory Introduction:FDB Audio Manufacture Co., Ltd is specialized in researching, developing and manufacturing in PRO audio products. The main products are professional transducers(HF driver & woofer), speaker cabinets and electronic products like amplifiers and processors. FDB Audio adopts the world' S top-aided software and advanced techonoloy, owns advanced production equipments and testing apparatus, establishes cooperation development mechanisms with a number of world top grade materials and accessories manufacturers. Some important materials are imported from abroad, like voice coil, diaphragm and paper cone. FDB Audio has established and strictly enforced the standard quality management system in accordance with ISO 9001: 2008. "Strictly enforce sound processes and standards, full quality control and customer satisfaction" is the quality policy.     Mr. Harry Xia is the boss of FDB Audio, graduated from Physical department of Zhenzhou University. He is engineer, has done proaudio district more than 20 years. He once worked for R&D department of the state-run speaker factory in Henan province about 3 years after graduating university, then worked for a Taiwan speaker factory in Guangdong about 2 years. After that, he joined Elder Audio as the sole engineer, factory manager and also one shareholder of this factory, Thoman and Proel, they developed new models together. He worked for Elder audio about 9 years, quitted by the end of 2005 and established FDB Audio in Jan of 2006. During 9 years effort,   FDB Audio  has gained good feedbacks from local and overseas market. The customers said " The quality is very stable, reliability and consistency are very good". Factory Pictures:Factory Contacts:Web:  fdbaudiochina.en.made-in-china.com   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1