12sPecificaTiOnsgtO-804eZNumber of Channels: 4Power Output (CEA 2006A): 80W RMS x 4 channels at 4 ohms, 14.4V DC, <1.0% THD100W RMS x 4 channels at 2 ohms, 14.4V DC, <1.0% THD200W RMS x 2 channels bridged at 4 ohms, 14.4V DC, <1.0% THDMax Power: 940W: 235W x 4 channels at 2 ohms (1kHz), 15.5V DC, 10% THDFrequency Response: 20Hz – 23kHz (±0.5dB)Crosstalk: > 50dB @ 1kHzSignal-to-Noise (@ 1W): > 85dBMaximum Current Draw: 60AFuse Replacement: 25A x 2Dimensions (D x H x W): 11-15/16" x 2-9/16" x 9-11/16" (302mm x 66mm x 246mm)Weight: 8.4 lb (3.8kg)gtO-504eZNumber of Channels: 4Power Output (CEA 2006A): 50W RMS x 4 channels at 4 ohms, 14.4V DC, <1.0% THD75W RMS x 4 channels at 2 ohms, 14.4V DC, <1.0% THD150W RMS x 2 channels bridged at 4 ohms, 14.4V DC, <1.0% THDMax Power: 640W: 160W x 4 at 2 ohms (1kHz), 15.5V DC 10% THDFrequency Response: 20Hz – 23kHz (±0.5dB)Crosstalk: > 50dB @ 1kHzSignal-to-Noise (@ 1W): > 85dBMaximum Current Draw: 40AFuse Replacement: 20A x 2Dimensions (D x H x W): 8-3/8" x 2-9/16" x 9-11/16" (213mm x 66mm x 246mm)Weight: 6.4 lb (2.9kg)