Power Description Input Voltage: 120 V AC 230 V AC Physical Characteristics Height: 17.5 Width: 19 Depth: 4.5 Weight (Approximate): 30 lb Miscellaneous Additional Information: Frequency response: 20 Hz-20 kHz +0/-1 dB Any input to any output (Ref 1kHz) T.H.D. + noise: Any output 8 Ohms Internal power supply: AC Input: 100-240 VAC 50/60 Hz via 15A IEC Mains connector Country of Origin: China Environmentally Friendly: Yes Environmental Compliance: Waste Electrical and Electronic Equipment Directive (WEEE)