Yamaha PX5 Power Amplifier (800 Watts x 2 at 4 Ohms)The Yamaha PX5 Power Amplifier combines intelligent processing with high output power to meet the requirements of a vast range of sound reinforcement environments. This amplifier continues this tradition of excellence, utilizing Yamahas renowned digital signal processing technology and unparalleled professional audio expertise to achieve a light, durable design, capable of delivering the maximum output power to the speakers while simultaneously