Microlab FC20 40W Subwoofer Stereo Speaker, Black: * Automatic equalization- reproducing sound at different frequencies with equal volume * 5" subwoofer for powerful bass performance * 360-degree radio frequency (RF) remote control * Advanced DSP technology for hi-fi sound reproduction * Bass reflex tunnel design for deep bass effect * Contemporary design of satellite speakers * Wireless RF remote control * Speakers:Tweeter driver type: 2.5", tweeter rated power: 15W, 4 ohm, woofer driver type: 5", woofer driver rated power: 30W, 8 ohm * Interfaces:Output: 2RCA, input: 3.5mm stereo, power input: DC, remote control: wireless * Color: black * Dimensions: speaker: 8.6" x 8.8" x 9.7", satellite: 3.2" x 7.6" x 3.4" * Weight: 10.14 lbs