Specifications: Model: E-833 Output power (1kHz, 4 ohms): 150W+150W Frequency response: 30Hz-20kHz Signal to noise ratio: 75dB Separate degree: 48dB T.H.D.: less than 0.18% 1kHz Power requirements: AC 220V/50Hz Weight: 11.7kg MIC input sensitivity: 10mV Packaging dimensions: 475 (L) x 200 (H) x 400mm (W)Model: E-900 Output power (1kHz, 4 ohms): 280W+280W Frequency response: 20Hz-46kHz Signal to noise ratio: 75dB Separation: 48dB T.H.D.: less than 0.23% 1kHz Power requirements: AC 220V/50Hz Weight: 11kg MIC input sensitivity: 10mV Packaging dimensions (mm): (L x H x W) 490 x 200 x 410Model: E-901A Output power (1kHz, 4 ohms): 350W+350W Frequency response: 20Hz-20kHz Signal to noise ratio: 80dB Separation: 48dB T.H.D.: less than 0.17% 1kHz Power requirements: AC 220V/50Hz Weight: 12.1kg MIC input sensitivity: 10mV Packaging dimensions (mm): (L x W x H) 490 x 200 x 410 Model: E-911 Output power (1kHz, 4 ohms): 280W+280W Frequency response: 20Hz-46kHz Signal to noise ratio: 75dB Separation: 48dB T.H.D.: less than 0.23% 1kHz Power requirements: AC 220V/50Hz Weight: 11.4kg MIC input sensitivity: 10mV Packaging dimensions (mm): (L x H x W) 490 x 200 x 410Model: E-922 Output power (1kHz, 4ohm): 280W+280W Frequency response: 20Hz-46kHz Signal to noise ratio: 75dB Separation: 48dB T.H.D.: less than 0.18% 1kHz Power requirements: AC 220V/50Hz Weight: 12kg MIC input sensitivity: 10mV Packaging dimensions (mm): (L x H x W) 490 x 200 x 410Model: Km-9100 Output power (1kHz, 4ohm): 200W+200W Frequency response: 20Hz-48kHz Signal to noise ratio: 75dB Separation: 48dB T.H.D.: less than 0.20% 1kHz Power requirements: AC 220V/50Hz Weight: 12kg Packaging dimensions (mm): (L x H x W) 490 x 200 x 410