Every Kappa amplifier, including the full-range models, features high-efficiency Class D topology. Infinity’s Kappa amplifiers have been engineered to deliver the lowest distortion possible, enhancing the audio experience regardless of output level. Infinity Kappa amplifiers have on-board circuitry to protect from shorts, temperature, overvoltage and undervoltage. All Infinity Kappa amplifiers equipped with newly introduced E.A.R.L terminal for better grounding. With it becoming more and more difficult to find spacious locations for amplifier mounting, Infinity Kappa amplifiers have been developed in a small compact form factor to allow more location versatility.