Detailed Product Description Unify WKS-MR1400 Professional Dual Channel Power Amplifier Specification: Output Power: 2×1000W(8Ω, 1KHz, RMS)/2×1200W(4Ω, 1KHz, RMS)/ bridge mono 1200W(4Ω, 1KHz, RMS) Input Impedance:10KΩ Distortion:<0.05%(THD, 20Hz-20kHz) Signal to Noise Ratio:>110dB Power Voltage:220V/50Hz Frequency Response:20Hz-20kHz(±1dB) Outline Size:135×440×385mm GW:37.5kg NW:35.5kg