The muscular man in sunglasses tested the microphone, nodding with satisfaction. The amplifier worked well, allowing nearly a hundred people present to hear his voice clearly.,It seems he's won the jackpot, and in a big way. He cleaned out the whole pot all at once.,The basic properties of EX-grade equipment fluctuate greatly, ranging from the highest SSS grade to the lowest F grade. Many even fall slightly below their counterparts.。