SSA xcon 15': X max: 31 mm, 1750w RMS, Fs: 31.3 Hz, SPL: 89.6 dB Tc sounds LMS-R 15': X max: 29.4 mm, 1000w RMS, Fs: 23.6 Hz, SPL: 86.9 dB I like both, but i have to decide. TC was 1000w rms, fs 23,6hz and SSA is 1750w rms, fs 31.3Hz. Why Tc sound, why SSA ? who is the best for ""SQL"". please help thanks for answers.