Power professional PA speakers with the ultra-efficient Ashly EcoTour 1500.4, a 4-channel power amplifier that delivers up to 1500W of power per channel (3000W bridged). The unit incorporates Ashly's proprietary ultra-efficient D-MAX amplifier technology for the cleanest and most reliable performance with lower power draw. The 1500.4 can power a variety of speaker types including Lo-Z (2, 4, and 8 ohms) to Hi-Z (70 or 100V). The 1500.4 is 2 RU tall and can be mounted into a standard 19" rack enclosure. The rear panel features combo XLR-1/4" inputs and removable Euroblock input connectors and speakON speaker output connectors. Each channel includes a switchable 80 Hz HPF and Clip Limiter. The front panel provides a volume control knob for each channel and comprehensive LED indicators for levels and amplifier status.