Specifications: Model: TAV-6188ESize: 320 x 80 x 240mm/12.6 x 3.1 x 9.4 inchRated voltage: 115V/230V ConversionRated power: 1200WPeak: 2000WRated frequency: 20KH - 20KHzSignal to noise ratio: 90dBStandard impedance: 4 to 16 ohmType of power amplifier: AV power amplifierVocal tract: 5 vocal tractTota..