NuForce STA120 170watt/250watt at 4ohms Stereo Power Amp - Black High performance class-D amp NuForce pioneered ultra efficient, high quality Class-D amplifiers and has been at the forefront of this technology ever since. Continuing this legacy, the STA120 draws on the NuForce Class-D technology, experience and innovation, which have created some of the most acclaimed Class-D power amps available. Features Compact and powerful amp Elegant design Ultra efficient Ideal partner for the DAC80 and WDC200 Precision power The audiophile power supply and large toroidal transformer provide the power needed to precisely drive almost any speakers to satisfying levels, without adding noise or distortion. Its highly efficient design uses less energy and generates less heat and so provides ultra reliable operation and excellent green credentials. Compact and elegant Enclosed in the same elegant anodized aluminium casing as the NuForce range, this exceptionally compact stereo amp is an ideal partner for the DAC80 digital pre-amp and WDC200 wireless DAC. Custom solutions With its high power, cool running and compact dimensions, the STA120 is ideally placed to function as an audio distribution amplifier, powering in-wall and in-ceiling passive speakers.