2.1 Multimedia Speaker. Features: 3" full range driver for satellites and 6.5" bass driver for subwoofer. Heavy duty metal grill design for satellite and subwoofer and high glossy plastic satellite. Red color damper for both satellite and subwoofer driver. Plug & play USB/SD card reader. USB reader supporting MP3/WMA dual formats decoding. Uninterrupted digital FM working on PLL technology. FM storage up to 100 stations. Super big wooden cabinet subwoofer delivers heart-thumping bass. High efficient energy saving design. Fluorescence full function remote control. Play your desired song & FM station directly by numeric keys through remote. Specification: Power output: 16Wx2+20W (RMS). Satellite driver: 3” full range. Subwoofer driver: 6.5”. Frequency response: 95 - 20KHz (satellite) 35 - 95Hz (subwoofer). Signal to noise ratio: ≥ 75dB. Separation: ≥ 35dB. Dimension: W88 x H187 x D91 mm (satellite). W252 x H252 x D269 mm (subwoofer). Weight: 4.3 kg (net)