VT-312 is a large sized line array speaker with 3-way frequency system. It provides frequency range of 48Hz 20kHz. It is a combination of two pieces of 44mm (voice coil) neodymium magnetic compression unit, four pieces of five inches neodymium magnetic alto unit, and two pieces of 12 inches woofer, which has great dynamic margin. VT-312 with a wide dispersion angle 90°(H)x 30°(V),which providing a broad sound coverage. Its especially designed for those sites such as theatre, stadium, outdoor performance and etc.