This paper presents new and original architectures and implementations of two filterless. open-loop digital Class-BD audio amplifiers with constant common mode (CM) output voltage. The first. low-power amplifier consists of four ultrahigh-current EL7158 pin drivers. https://www.bekindtopets.com/super-pick-Rx-Quadruple-Topical-Ointment-Quadritrop-for-Dogs-Cats-30-mL-super-grab/