2U professional power amplifier for commercial and institutional AV 2000W momentary peak output 500W ×2 at 4 ohms for multizone or fullrange systems ATR technology for improved transient response and clarity Balanced XLR and 1/4' TRS inputs Speakon and banana binding post speaker outputs Fronttorear airflow with automatic cooling fan Frequency response 10Hz50kHz THD less than 0.1 percent AC 115V230V switchable for global deployment