About this item The combo set includes 4 x ZETHUS-210B line array PA speakers, 1 x NIX-A8PRO professional power amplifier and 1 x ZETHUS-210FF mounting frame. The ZETHUS-210B is a compact line array speaker which delivers superior sound quality with two 10" woofers and two titanium compression drivers. Each of the speakers comes with 550W RMS, 2200W peak (16-ohm) extraordinary power handling capability. The NIX-A8PRO is a 2-channel professional power amplifier with the capability of 2 x 1200W RMS (8-ohm stereo), 2 x 1800W RMS (4-ohm stereo). Built-in LPF, limiter and sensitivity switch. 4 line array speakers can be quickly stacked and secured with attached mounting points. With the mounting frame ZETHUS-210FF, the speaker system can be flown for optimum coverage. All the line array speakers are housed in an all-birch plywood enclosure, with heavy duty metal grill and aluminum extrusion rigging hardware, it holds up to mobile applications with rugged construction. Ideal for small to med