The MB58R series is a further example of how Markbass is always one step ahead in innovating using state-of-the-art technologies. Once again Marco De Virgiliis with his pioneering soul has managed to create this new series of products which, with the use of custom components born thanks to years of experience and research Markbass and the use of revolutionary materials with an eye to the future and the evironment, has really nailed the tone and power versus portability issue. The MB58R 102 PURE features 4x10" Markbass Neodymium custom speakers and a new hi-fi tweeter very focused in high range with excellent transient attack; it weighs only 35.5 lbs / 16.1 kg, with 800 watts (RMS) of power handling!