Specifications:
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1) Power supply: DC 6.0V (4 x AAA batteries) or AC
adaptor (output 6V, 300mA) 2) Drive unit: 50mm x 1 3) Output power: 2.0W 4) Frequency: 200Hz ¨C 12kHz 5) Impedance: 4 ohms 6) Material: ABS