To drive your choice speakers, the ALTO's RMX508 DFX starts with an ultra-clean 500 watts of Class D power. In comparison to other powered mixers, this one is both powerful and lightweight. A total of 18 inputs are available, including 8 XLR connectors with phantom power, 8 Line jacks, and stereo RCA. A powered mixer with inputs for microphones, guitars, keyboards, and iPods.