Diabolically brilliant. The iDSD Diablo, with its sleek new design and fiery red finish, proudly sits at the top of the portable/transportable DAC/amp range. It is crafted for true headphone enthusiasts craving pure, pristine sound performance. Just like a racing car designed for uncompromising speed, the iDSD Diablo removes audio adaptation and Bluetooth connectivity to focus on pure sonic power. Get ready for an exhilarating ride as it drives any headphone to astonishing levels. In simple terms, the iDSD Diablo is the ultimate portable amplifier designed to deliver reference-level sound.