Filter type¡êo Professional active crossover filter Active crossover frequency 3.0khz Bass adjust +2/0/-2db(200hz) Mid range adjust 0/-2/-4db(500hz) Treble adjust +1/0/-1db(10khz) Signal-to-noise >94db Harmonic distortion 80hz - 20khz ¡¨¹1%(85db/1m) Input sensitivity 350mv Input impedance 12k|¸ Other parameter Finished Black piano lacquer finish / silver aluminium panel Dimension (w¡¨¢h¡¨¢d) 8.5"¡¨¢10.9"¡¨¢14.8" Net weight Main speaker:16.5 lbs vice speaker:15.9 lbs