The IQ500.1 Mono Amplifier delivers power in a sophisticated yet simplistic design. Best described as cutting-edge yet remarkably easy to use, the amplifier includes a highly configurable digital signal processor called TWEEQ. Using the included USB cable, your PC instantly becomes a powerful graphic interface for unrivaled acoustic control. The IQ500.1 delivers 250 watts at 4Ω and 500 watts at 2Ω.