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Specifications:
1) Power supply: DC6.0V (AAA x 4 batteries) or DC
Adapter: output: 6V 350mA
2) Output power: 2W + 2W
3) Speaker unit: 30mm, 2W antimagnetic
4) Frequency response: 100Hz - 20kHz
5) Impedance: 4 Ohms
6) Product size: 160(W) x 100(H) x 28(L)mm