1. CE, FCC, CCC, ISO9001/14001 certified 2. Manufacturer with 9 years experience 3. public address system Bathroom Speaker Dimensionpublic address system Wall Mount Speaker Bathroom Speaker1.Beautiful appearance, ABS material enclosure2.Sound clear and melodious3.Wall mount design, easy & flexible installation4.Audio line input: COM,70V,100V5.Suit for indoor, such as supermarket, hotel, ...