... friction, lower static-load operating current, the efficiency of power amplifier has been greatly enhanced. E, Quite quiet, zero noise, ... 650W2×900W2×1400W2×1800W2×3000W2×3900W2×4300WTHD+NRated power,THD=1%,1KHZ<0.06%max output voltage60V70V73V80V89V99V105VSelecteble 1KHZ29.5db/27.5db ... /us68v/us76v/us76v/us89v/us100v/usInput sensitivity>1v(0dbu)>1.1v(0dbu)>1.2v(0dbu)Smpte IMD3.15hz-15khz <0.08% ...