貴陽音響批發市場的專業術語聲壓級是指實際聲壓和基準聲壓之比的20倍對數值，單位是分貝。是一項衡量音響系統的發聲情況、擴聲場所的聲學質量指標的重要指標。
■Model PRO-1000
■Channel 2
■8Ω Stereo Power 2*1000W
■4Ω Stereo Power 2*1500W
■2Ω Stereo Power 2200W
■8Ω Bridged Power 3000W
■4Ω Bridged Power 4400W
■Signal to Noise >106dB
■Slew Rate >80V/us
■Damping Factor >550
■Frequency Response (+/-0.1dB)
20Hz+20KHz
■THD (Rated power@ 8 Ohm, 1KHz) <0.01%
■LMD(Rated power@ 8 Ohm) <0.01%
■Input Sensitivity 0.775V,1.0V,1.55V
■Input Impedance 10K Ohm Unbalanced;
20K Ohm Balanced
■LPF 20Hz-180Hz Valid
■HPF 130Hz-20KHz Valid
■Input CMRR <-75dB
■Cross Talk <-70dB
■Main Power Supply 220V 50/60Hz,
Fuse:T10A
■Protection Short Circuit, Overload,
Overvoltage, Overheat
■Size W*D*H(cm) 48.3*41.8*13.3
■N.W. 31 kg
■Unit Piece
