Outdoor waterproof frets with volume adjustment _ _ outdoor waterproof frets Chi Hui Pu Technology

Active fret comprising: a waterproof active frets, active indoor and outdoor water frets, active frets hotels, IP network cable active frets, active community frets, active station frets, square active frets background music broadcasting system, fire active frets, supermarkets active fret, fret active subway station; such as common (wall speakers, active wall speakers, frets, active frets, waterproof frets, Active waterproof frets, etc.) whose role is to convert electrical energy into corresponding audio sound energy and radiated into space to put it. For example, also is an active frets, waterproof frets, a very intuitive screen, which is rectangular in shape, is a perspective view of the so called frets, active frets are used in case of the absence of power amp device that and waterproof frets a truth, waterproof frets sound system of public broadcasting is a very important part, because it bears to convert electrical signals into acoustic signals for direct human ears listening. By using the occasion to be divided into active professional fret and fret home two categories. Household wall-mounted speakers or fret generally used for home playback. Its characteristics are: sound fine and soft, appearance is more delicate and beautiful, playback sound pressure level is not too high, relatively little power to bear. Common are wall-mounted speakers, waterproof speakers, waterproof frets, wall frets, active speakers, active frets, audio, and other active notebook; professional speaker generally used for dance halls, karaoke OK, theaters, halls and stadiums, etc. Professional entertainment venues. Professional speaker generally higher sensitivity, playback high sound pressure, intensity, good endurance power. Compared with home speakers, the sound quality rigid, not very refined appearance. But in the professional speaker in the speakers, its performance and home speakers are closer to the appearance generally more sophisticated, compact, so these speakers are often home HI-FI sound system used.