Dan D'Agostino, a name synonymous with high-end audio amplifiers, has spent over 35 years pioneering advances in amplification, preamplifiers, and more. As the founder of Krell Industries and later DDMAS in 2011, D'Agostino's innovative designs have set new standards in sound quality and aesthetics. From the Momentum Mono to the Relentless Mono and Progression Integrated amplifiers, D'Agostino's products are renowned for their power, precision, and beauty. Handcrafted in Arizona, these amplifiers are the choice for the world’s finest loudspeakers.