MODEL:                 XTi1000 XTi2000 XTi4000  XTi6000 Stereo power   8Ω     300W 8Ω     500W 8Ω      800W 8Ω     1000W 1KHz0.1%THD   4Ω     500W 4Ω     700W 4Ω      1100W 4Ω      1600W Bridge mono Power   2Ω     700W 2Ω    1200W 2Ω      1500W 2Ω       1800W Signal to noise        105dB 106dB 108dB 108dB Slew Rate                  80V/μS 80V/μS 80V/μS 80V/μS Damping Factor            450:1 550:1 650:1 650:1 Main power supply          FUSE:T8A FUSE:T15A  FUSE:T20A FUSE:T20A Supply power             800W 1800W 3200W 3600W Net Weight                17kg 19kg 28kg 30kg Frequency response         +/-0.1dB, 20Hz+20kHz THD                        ≤0.01%Rated Power@8Ω1kHz IMD                        ≤0.01%Rated Power@8Ω Input sensitivity          0.775V,1.0V.1.55V Input impedance            10K/20K ohurs, unbalanced or balances Imput CMRR                ≤-75dB Cross talk                 ≤-70dB LEP indicator              Signal,Protect,Dctive,Clip/Limiting Dimension (WxDxH)              484×480×100(mm)