The HDA-F60 Hi-Res Audio certified 4 channel amplifier redefines the industry benchmark in sound performance, delivering true high-resolution sound reproduction. The all-new digital design provides huge amounts of power output and an extraordinary damping factor making these amplifiers class-leading in every way. With performance at the highest standard, the HDA-F60 has a frequency response of 10-60kHz and a >500 dampening factor to deliver high power output with precision, as well as a superlative high-definition sound experience.