Wharfedale TITAN-AX15-BLACK 2-Way Bi-Amplified Cabinet - 15" (Black)The all new AX15 active loudspeaker now features our cutting edge 6 position DSP engine and all new HF and LF drivers. No other competitive model features such powerful and effective DSP or such advanced transducers. Rated at 840 watts peak and with 129dB Max SPL, its an ideal solution for small to medium sized venues. We have also tweaked the laminar rib cabinet structure to improve structural strength for durability and acoustic performance. TITAN