The Emotiva XPA Gen3 Power Amp is a modular AV power amplifier that can be configured from 2 - 11 channels and upgraded over time by adding modular amplifier stages. The new XPA Series utilises a high-current switch mode power supply. Its a power supply capable of delivering over 3Kw of continuous power with absolute reliability and extremely high efficiency. It shares the dynamic attributes of a classic transformer-based design with none of the downside. Its lightweight intelligent and extremely powerful!