Power professional PA speakers with the ultra-efficient Ashly EcoTour 500.2, a 2-channel power amplifier that delivers up to 500W of power per channel (1000W bridged). The unit incorporates Ashly's proprietary ultra-efficient D-MAX amplifier technology for the cleanest and most reliable performance with lower power draw. Additionally, the 500.2 can power a variety of speaker types including Low Z (2, 4 & 8 Ohms) to Hi Z (70 or 100V).