Features Specifications:MS-302 sell multimedia speaker  SPECIFICATION Output power: 40W (RMS) SPEAKER UNITS: Subwoofer :5.25'' Satellites: 2.75+52 mm×52mm(tweeter) IMPEDANCE Subwoofer: 4 Ohm Satellites: 4 Ohm Magnetic shielding Voltage supply: 220V/50Hz frequency range Subwoofer: 15~130Hz Satellites: 100~20,000 Hz Separation: ≥45dB S/N ratio: ≥60dB DIMENSIONS:(mm) Subwoofer: 330×270×200 Satellites: 110×130×175