MB Quart’s finest amplifiers offer a rich design and world-class quality. These amplifiers are extremely efficient and produce high-quality sound that others can only dream about. Their engineers have introduced “Q Control” which is a collection of advanced features only found in this new series of Q amplifiers. Multi-Colored Clipping Indicators, Frequency Multipliers and selectable Filter Slopes provide Sound Quality enthusiasts useful tools for getting crystal clear power and distortion free musical reproduction from their audio systems. These amps feature RMS power and are CEA compliant, top mount controls, double sided PCB design, and variable Low/High Pass, and a full feature crossover design with 6 and 12dB filter slopes.