Microlab M-223 2.1 Speakers/ 17W RMS (4Wx2+9W) ype: 2.1 subwoofer system Colour: Black Power: Amplifier: Output power: 17 Watt RMS Power distribution: 4 Watt x 2 + 9 Watt Speakers: Tweeter power: 5 Watt x 2 Bass power: 15 Watt Driver units: Tweeter driver: 2.5" Bass driver: 4" Frequency Range: 60Hz ~ 20KHz Signal-to-Noise ratio: > 75 dB Interface: Output: 2RCA Input: 2RCA Features: Powerful 2.1 subwoofer system with depth and full range audio performances Deep bass subwoofer and crystal clear satellites in carefully designed cabinets Front panel with individual bass, treble and master volume controls Designed with beautiful finishes Made with quality sound handling materials for superb sound handling characteristics Power supply: AC 220 V - 240 V 50 Hz 100 mA Dimensions: Woofer: 155 x 225 x 270mm; Satellite: 88 x 150 x 95mm; Weight: 3.6 kg Package content: M-223 subwoofer 1pc M-223 satellites 2pcs 2RCA - 2RCA cable 1pc User manual 1pc URL: http://www.microlab.cn/product_detail.asp?id=251&bigclassid=15&smallclassid=70 Gross weight: 3.92 kg.