The Powerbloc 2 ULTRA  series offers a sophisticated blend of “finesse and muscle,” delivering high-performance, Class D amplification designed to bring even the most demanding speakers to life. Characterized by an ultra-wide bandwidth of 1.5Hz to 70kHz and a massive 117 dB dynamic range, these reference-grade amplifiers provide a “pristine, crystal-clear” soundstage with low distortion and exceptional low-end control.