The MB Quart QL A 55 is a bass reflex satellite and effect speaker system designed for optimal sound performance. Manufactured in Germany, it features a stylish design available in colors such as reddish brown, anthracite, and white. The speaker dimensions are 198 mm in width, 272 mm in height, and 103 mm in depth, while the overall weight is manageable for easy installation. This model incorporates a low-frequency driver with a 160 mm polypropylene cone and a 25 mm titanium dome tweeter, providing a rich and detailed audio experience. It supports a power handling capacity of 70 watts nominally and can handle peak music power of up to 130 watts. The QL A 55 boasts an efficiency rating of 90 dB at a distance of 1 meter, indicating its ability to produce high sound levels with minimal power. The crossover frequency is set at 3,500 Hz with a slope of 12 dB per octave, allowing for seamless integration between the woofer and tweeter. The speaker operates within a frequency response range of 78 Hz to 32,000 Hz and has an impedance of 4 Ohms. This model was originally priced at 600 DM for a pair.
