T-Line 6.1k uses a pair of high-power, neodymium magnet, 152.4mm diameter low frequency drivers and one neodyminum high compression 25.4mmdriver in a two-and-a-half way configuration. High quality transducer used in T-Line 6.1k has powerful SPL and durability. Dual 152.4mm diameter driver can cover 70 -19KHz low frequency range. It provides an open, natural sound and exceptional 95-degree horizontal coverage and 128dB powerful SPL. Special water & UV-resistant coating enclosure is very robust against scratch and physical damage. The molding enclosure is very elaborate and fit for touring system. It will give good merit to attract sound rental companies For reinforcement of program material with more demanding low frequency content a companion subwoofer, T-Sub series is also available.