2x210W commercial power amplifier, 4/8 ohms, 70/100V for all types of professional audio applications. 100% Crestron engineered and built, these amplifiers are designed to meet ENERGY STAR certification to help organizations fulfill their green initiatives without compromising on audio performance. Featuring a high-efficiency amp topology and active power factor corrected power supply, plus additional power-saving features and configurable outputs on every channel, these amplifiers offer a very cost-effective and space-saving solution for boardrooms, auditoriums, and other demanding commercial applications.