Main Features Speaker placement Table top/Bücherregal Woofer Yes Tone diameter (imperial) 7.62 cm (3") Subwoofer Effective value Energy 5 W Audio RMS performance 11 W speaker RMS performance 6 W Frequency range 40 - 18000 Hz Powers Product color Black Recommended use PC Housing material Plastic volume regulator Bass-Justage Yes Treble Justage Yes Verstaerker Amplifier No